Orbital Motors OMS, OMT and OMV

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1 MKING MODERN LIVING POSSIBLE Technical Information Orbital Motors OMS, OMT and OMV powersolutions.danfoss.com

2 Revision history Table of revisions Date Changed Rev February 216 Corrected Hardening specification for OMSS, OMTS, OMVS 61 November 214 Converted to Danfoss layout - DIT CMS F December 213 Table updated EL June 213 Drawing corrected EK pril 213 Drawing corrected EJ January 213 Correct drawing EI November 212 Planetary Gears deleted EH July 212 Typo in Major dia EG November 21 Dimensions changed EF November 29 conversions, and layout adjusted ED 2 52L47 Rev 61 February 216

3 Contents Orbital motors OMS, OMT and OMV OMS OMT Characteristic, features and application areas of Orbital Motors...5 Characteristic features of Danfoss Orbital Motors... 5 Technical features of Danfoss Orbital Motor...5 The Danfoss Orbital Motors are used in the following application areas:...6 Survey of literature with technical data on Danfoss Orbital Motors...6 Speed, torque and output...7 Versions...9 Features... 9 Code numbers...1 Ordering...1 Technical data Maximum permissible shaft seal pressure Motor with check valves and without use of drain connection...12 Maximum return pressure...12 Pressure drop in motor...13 Oil flow in drain line...13 Direction of shaft rotation Permissible shaft loads for OMS...13 Function diagrams...18 Function diagram use Shaft version Port thread versions...26 Dimensions...26 Standard flange European version...27 Standard flange US version...29 Special flange European version flange US version Magneto flange US version...34 SE-B flange US version Wheel European version Wheel US version... 4 Short European version OMSS Installing the OMSS...43 ttached component dimensions...43 Internal spline data for the component to be attached...43 Motor or attached component drain connection...44 Versions Features...46 Code numbers...46 Ordering...47 Technical data Maximum permissible shaft seal pressure Motor with check valves and without use of drain connection...47 Motor with check valves and with drain connection Maximum return pressure...48 OMT, OMTW, OMTS, OMT FX OMT FL and OMT FH...48 Pressure drop in motor...5 Oil flow in drain line...5 Direction of shaft rotation Permissible shaft loads for OMT...51 Function diagrams...54 Function diagram use Shaft version L47 Rev 61 February 216 3

4 Contents OMV Weight of motors Port thread versions...6 Dimensions...61 Standard flange European version...61 Standard flange US version...63 Wheel European version Wheel US version Brake-wheel European version Brake-standard European version Short European version OMTS Installation...73 ttached component dimensions...73 ttached component internal splines Motor or attached component drain connection...75 Versions Features...76 Code numbers...76 Ordering...77 Technical data Technical data for OMV, OMVW and OMVS Maximum permissible shaft seal pressure Motor with check valves and without use of drain connection...77 Maximum return pressure...78 Pressure drop in motor...78 Oil flow in drain line...79 Direction of shaft rotation Permissible shaft loads for OMV...79 Function diagrams...81 Function diagram use Shaft version Port thread versions...88 Dimensions...89 Standard flange European version...89 Standard flange US version...91 SE-C flange US version Wheel European version Wheel US version Short European version OMVS Installation...99 ttached component dimensions...99 ttached component internal splines...1 Motor or attached component drain connection Code number and weight L47 Rev 61 February 216

5 Orbital motors Characteristic, features and application areas of Orbital Motors Danfoss is a world leader within production of low speed orbital motors with high torque. We can offer more than 3, different orbital motors, categorised in types, variants and sizes (including different shaft versions). The motors vary in size (rated displacement) from 8 cm³ [.5 in³] to 8 cm³ [48.9 in³] per revolution. Speeds range up to approximate 2,5 min -1 (rpm) for the smallest type and up to approximate 6 min -1 (rpm) for the largest type. Maximum operating torques vary from 13 N m [115 lbf in] to 2,7 N m [24, lbf in] (peak) and maximum outputs are from 2. kw [2.7 hp] to 7 kw [95 hp]. Characteristic features of Danfoss Orbital Motors Smooth running over the entire speed range Constant operating torque over a wide speed range High starting torque High return pressure without the use of drain line (High pressure shaft seal) High efficiency Long life under extreme operating conditions Robust and compact design High radial and axial bearing capacity For applications in both open and closed loop hydraulic systems Suitable for a wide variety of hydraulics fluids Technical features of Danfoss Orbital Motor The programme is characterised by technical features appealing to a large number of applications and a part of the programme is characterised by motors that can be adapted to a given application. daptions comprise the following variants among others: 52L47 Rev 61 February 216 5

6 Orbital motors Motors with corrosion resistant parts Wheel motors with recessed mounting flange OMP, OMR- motors with needle bearing OMR motor in low leakage version OMR motors in a super low leakage version Short motors without bearings Ultra short motors Motors with integrated positive holding brake Motors with integrated negative holding brake Motors with integrated flushing valve Motors with speed sensor Motors with tacho connection ll motors are available with black finish paint The Danfoss Orbital Motors are used in the following application areas: Construction equipment gricultural equipment Material handling & Lifting equipment Forestry equipment Lawn and turf equipment Special purpose Machine tools and stationary equipment Marine equipment Survey of literature with technical data on Danfoss Orbital Motors Detailed data on all Danfoss Orbital Motors can be found in our motor catalogue, which is divided into more individual subcatalogues: General information on Danfoss Orbital Motors: function, use, selection of orbital motor, hydraulic systems, etc. Technical data on small motors: OML and OMM Technical data on medium sized motors: OMP, OMR, OMH Technical data on medium sized motors: DH and DS Technical data on medium sized motors: OMEW Technical data on medium sized motors: VMP Technical data on medium sized motors: VMR Technical data on large motors: OMS, OMT and OMV Technical data on large motors: TMK Technical data on large motors: TMT Technical data on large motors: TMTHW Technical data on large motors: TMVW general survey brochure on Danfoss Orbital Motors gives a quick motor reference based on power, torque, speed and capabilities. 6 52L47 Rev 61 February 216

7 OMS, OMT and OMV Speed, torque and output min -1 (rpm) Max. speed lbf in Nm Max. Torque hp kw Max. output OMS OMT OMV Intermittend values Continuous values The bar diagrams above are useful for a quick selection of relevant motor size for the application. The final motor size can be determined by using the function diagram for each motor size. OMS Function diagrams on page 18 OMT Function diagrams on page 54 52L47 Rev 61 February 216 7

8 OMS, OMT and OMV OMV Function diagrams on page 81 The function diagrams are based on actual tests on a representative number of motors from our production. The diagrams apply to a return pressure between 5 and 1 bar [75 and 15 psi] when using mineral based hydraulic oil with a viscosity of 35 mm²/s [165 SUS] and a temperature of 5 C [12 F]. For further explanation concerning how to read and use the function diagrams, please consult the paragraph "Selection of motor size" in the technical information "General Orbital motors" 52L L47 Rev 61 February 216

9 OMS Versions OMS versions Mounting flange Standard flange Shaft Port size European version US version Drain connection Check valve Cyl. 32 mm G 1/2 X Yes Yes OMS Cyl in 7/8-14 UNF X Yes Yes OMS Splined 1.25 in G 1/2 X Yes Yes OMS 7/8-14 UNF X Yes Yes OMS Tapered 35 mm G 1/2 X Yes Yes OMS Tapered 1.25 in 7/8-14 UNF X Yes Yes OMS P.t.o. G 1/2 X Yes Yes OMS Special flange Splined 1.25 in G 1/2 X Yes Yes OMS -2 flange Magneto flange Cyl. 1 in 7/8-14 UNF X Yes Yes OMS Cyl in 7/8-14 UNF X Yes Yes OMS Splined 1 in 7/8-14 UNF X Yes Yes OMS Splined 1.25 in 7/8-14 UNF X Yes Yes OMS Tapered 1.25 in 7/8-14 UNF X Yes Yes OMS Cyl. 1 in 7/8-14 UNF X Yes Yes OMS Cyl in 7/8-14 UNF X Yes Yes OMS Splined 1 in 7/8-14 UNF X Yes Yes OMS Splined 1.25 in 7/8-14 UNF X Yes Yes OMS SE B flange Splined 1.25 in 7/8-14 UNF X Yes Yes OMS Splined.875 in 7/8-14 UNF X Yes Yes OMS Main type designation Wheel Cyl. 32 mm G 1/2 X Yes Yes OMSW Cyl in 7/8-14 UNF X Yes Yes OMSW Tapered 35 mm G 1/2 X Yes Yes OMSW Tapered 1.25 in 7/8-14 UNF X Yes Yes OMSW Short No output shaft G 1/2 X Yes Yes OMSW Features Features available (options): Speed sensor Motor with tacho connection High pressure shaft seal Viton shaft seal Painted Ultra short Motor with drum brake 52L47 Rev 61 February 216 9

10 OMS Code numbers OMS code numbers Code Numbers Displacement [cm³] F F F F F F F F F F F F F F F F F F F F F F F F Ordering dd the four digit prefix 151F to the four digit numbers from the chart for complete code number. Example: 151F54 for an OMS 2 with standard flange, cyl. 32 mm shaft and port size G 1/2. Orders will not be accepted without the four digit prefix. 1 52L47 Rev 61 February 216

11 OMS Technical data Type OMS OMSW OMSS OMS OMSW OMSS OMS OMSW OMSS OMS OMSW OMSS OMS OMSW OMSS OMS OMSW OMSS OMS OMSW OMSS OMS OMSW OMSS OMS OMSW OMSS Motor size Geometric displacement cm 3 [in 3 ] Max. speed min -1 Max. torque Max. output Max. pressure drop Max. oil flow Max. starting pressure with unloaded shaft Min. starting torque [rpm] Nm [lbf in] kw [hp] bar [psi] l/min [USgal/min] bar [psi] 8.5 [4.91] 1. [6.1] [7.67] [9.75] 2. [12.2] 25. [15.26] [19.22] 393. [23.98] cont int 1) cont. 24 [212] int. 1) 31 [274] cont [2.8] int. 1) 19.5 [26.2] cont. 21 [35] int. 1) 275 [399] peak2) 295 [428] cont. 65 [17.2] int. 1) 8 [21.1] at max. press. drop cont. Nm [lbf in] at max. press. drop int. 1) Nm [lbf in] 12 [175] 18 [159] 235 [28] 35 [27] 39 [345] 18. [24.1] 22.5 [3.2] 21 [35] 275 [399] 295 [428] 75 [19.8] 9 [23.8] 1 [145] 23 [24] 3 [266] 375 [332] 49 [434] 18. [24.1] 22.5 [3.2] 21 [35] 275 [399] 295 [428] 75 [19.8] 9 [23.8] 1 [145] 29 [257] 38 [336] 49 [434] 6 [531] 16.5 [22.1] 23. [3.8] 21 [35] 26 [377] 28 [46] 75 [19.8] 9 [23.8] 8 [115] 37 [327] 46 [47] 61 [54] 72 [637] 16.5 [22.1] 22. [29.5] 21 [35] 25 [363] 27 [392] 75 [19.8] 9 [23.8] 8 [115] 47 [416] 56 [496] 72 [637] 87 [77] 14.5 [19.4] 18. [24.1] 2 [29] 25 [363] 27 [392] 75 [19.8] 9 [23.8] 8 [115] 56 [496] 7 [62] 825 [73] 1 [885] 15. [2.1] 17. [22.8] 2 [29] 24 [348] 26 [377] 75 [19.8] 9 [23.8] 8 [115] 71 [628] 85 [752] 865 [766] 99 [876] 11. [14.8] 12.5 [16.8] 16 [232] 19 [276] 21 [35] 75 [19.8] 9 [23.8] 8 [115] 71 [628] 84 [743] 488. [29.78] 85 [752] 99 [876] 9. [12.1] 1.5 [14.1] 12 [174] 14 [23] 16 [232] 75 [19.8] 9 [23.8] 8 [115] 66 [584] 77 [682] Type Max. inlet pressure Max. return pressure with drain line OMS OMSW OMSS bar [psi] cont. 23 [334] 14 [23] bar [psi] int. 1) 295 [428] 175 [254] bar [psi] peak 2) 3 [435] 21 [35] *Max torque for shaft type Nm [lbf in] Splined 1 in Cyl. 1 in Splined.875 in cont. 36 [319] 3 [266] 2 [177] int. 1) 45 [398] 41 [363] 2 [177] 1) Intermittent operation: the permissible values may occur for max. 1% of every minute. 2) Peak load: the permissible values may occur for max. 1% of every minute. For max. permissible combination of flow and pressure, see function diagram for actual motor. 52L47 Rev 61 February

12 OMS Maximum permissible shaft seal pressure Motor with check valves and without use of drain connection The pressure on the shaft seal never exceeds the pressure in the return line Maximum return pressure The shaft seal pressure equals the pressure on the drain line. Maximum return pressure without drain line or maximum pressure in the drain line P psi P bar max. min -1 (rpm) Intermittent operation: the permissible values may occur for max. 1% of every minute. Continuous operation 12 52L47 Rev 61 February 216

13 OMS Pressure drop in motor psi p p bar Q l/min Q US gal/min The curve applies to an unloaded motor shaft and an oil viscosity of 35 mm 2 /s [165 SUS] Oil flow in drain line Maximum oil flow in the drain line at a return pressure less than 5-1 bar [75-15 psi] Pressure drop bar [psi] Viscosity mm 2 /s [SUS] 14 [23] 2 [1] 1.5 [.4] 35 [165] 1. [.26] 21 [35] 2 [1] 3. [.79] 35 [165] 2.[.53] Oil flow in drain line l/min [US gal/min] Direction of shaft rotation Permissible shaft loads for OMS Mounting flange: Standard -2 Magneto SE B 52L47 Rev 61 February

14 OMS Shaft: Cyl. 32 mm Cyl in Splined 1.25 in. Tapered 35 mm Tapered 1.25 in P.t.o. P rad. P rad. lbf N P max. =5 N =1124 lbf mm in Mounting flange: Wheel Shaft: ll shaft types P rad. P rad. lbf N P max. =5 N =1124 lbf mm in The output shaft runs in tapered roller bearings that permit high axial and radial forces. The permissible radial load on the shaft is shown for an axial load of N as a function of the distance from the mounting flange to the point of load application L47 Rev 61 February 216

15 OMS The curve is based on B1 bearing life (2 hours or 12,, shaft revolutions at 1 min -1 ) at rated output torque, when mineral-based hydraulic oil with a sufficient content of anti-wear additives, is used. For 3,, shaft revolutions or 5 hours increase these shaft loads with 52%. The dash curve shows maximum radial shaft load. ny shaft load exceeding the values shown in the curve will involve a risk of breakage. Bearing life calculations can be made using the explanation and formula provided in the chapter "Bearing dimensioning" in the technical information "General Orbital motors" 52L232. Mounting flange: Special Shaft: Splined 1.25 in P rad. P rad. lbf N P max. =5 N =1124 lbf mm in Mounting flange: -2 Magneto Shaft: Cyl. 1 in Splined 1 in 52L47 Rev 61 February

16 OMS P rad. P rad. lbf N P max. =5 N =1124 lbf mm in The output shaft runs in tapered roller bearings that permit high axial and radial forces. The permissible radial load on the shaft is shown for an axial load of N as a function of the distance from the mounting flange to the point of load application. The curve is based on B1 bearing life (2 hours or 12,, shaft revolutions at 1 min -1 ) at rated output torque, when mineral-based hydraulic oil with a sufficient content of anti-wear additives, is used. For 3,, shaft revolutions or 5 hours increase these shaft loads with 52%. The dash curve shows max. radial shaft load. ny shaft load exceeding the values shown in the curve will involve a risk of breakage. Bearing life calculations can be made using the explanation and formula provided in the chapter "Bearing dimensioning" in the technical information "General Orbital motors" 52L232. Mounting flange: SE B Shaft: Splined.875 in 16 52L47 Rev 61 February 216

17 OMS P rad. P rad. lbf N P max. =5 N =1124 lbf mm in The output shaft runs in tapered roller bearings that permit high axial and radial forces. The permissible radial load on the shaft is shown for an axial load of N as a function of the distance from the mounting flange to the point of load application. The curve is based on B1 bearing life (2 hours or 12,, shaft revolutions at 1 min -1 ) at rated output torque, when mineral-based hydraulic oil with a sufficient content of anti-wear additives, is used. For 3,, shaft revolutions or 5 hours increase these shaft loads with 52%. The dash curve shows max. radial shaft load. ny shaft load exceeding the values shown in the curve will involve a risk of breakage. Bearing life calculations can be made using the explanation and formula provided in the chapter "Bearing dimensioning" in the technical information "General Orbital motors" 52L L47 Rev 61 February

18 OMS Function diagrams Continuous range Intermittent range (maximum 1% operation every minute) OMS 8 lbf in Nm Q=5 l/min [1.3 US gal/min] 1 l/min [2.6 US gal/min] 2 l/min [5.3 US gal/min] 3kW 3hp 1hp N=1kW 3 l/min [7.9 US gal/min] 6kW 6hp 4 l/min [1.6 US gal/min] 9kW 9hp η t =81% 8% 78% 5 l/min [13.2 US gal/min] 12kW 15hp 12hp 75% 7% η t =6% 15kW 18hp N=18kW 65 l/min [17.2 US gal/min] Q=8 l/min [21.1 US gal/min] p=275 bar 399 psi 25 bar 363 psi 225 bar 326 psi 21 bar 35 psi 175 bar 254 psi 14 bar 23 psi 15 bar 152 psi 7 bar 12 psi p= 3 bar 44 psi min -1 (rpm) OMS 1 lbf in 4 Nm 45 Q=5 l/min [1.3 US gal/min] 1 l/min [2.6 US gal/min] 2 l/min [5.3 US gal/min] 3 l/min [7.9 US gal/min] 4 l/min [1.6 US gal/min] 5 l/min [13.2 US gal/min] 6 l/min [15.9 US gal/min] 75 l/min [19.8 US gal/min] Q=9 l/min [23.8 US gal/min] kW 3hp N=1kW 1hp 6hp 6kW 15kW N=18kW 12kW 9kW 18hp 12hp 15hp η t =83% 8% 75% 7% η t =6% p=275 bar 399 psi 25 bar 363 psi 225 bar 326 psi 21 bar 35 psi 175 bar 254 psi 14 bar 23 psi 15 bar 152 psi 7 bar 12 psi p= 35 bar 51 psi min -1 (rpm) hp 18 52L47 Rev 61 February 216

19 OMS OMS 125 lbf in Nm Q=5 l/min [1.3 US gal/min] 1 l/min [2.6 US gal/min] 2 l/min [5.3 US gal/min] 1hp 3hp N=1kW 3 l/min [7.9 US gal/min] 3kW 6hp 6kW 4 l/min [1.6 US gal/min] 9kW 12hp 9hp 5 l/min [13.2 US gal/min] 12kW 15hp 21hp 15kW 6 l/min [15.9 US gal/min] 18hp η t =85% N=21kW 18kW 83% 75 l/min [19.8 US gal/min] 8% 75% 7% η t =6% Q=9 l/min [23.8 US gal/min] p=275 bar 399 psi 25 bar 363 psi 225 bar 326 psi 21 bar 35 psi 175 bar 254 psi 14 bar 23 psi 15 bar 152 psi 7 bar 12 psi p= 35 bar 51 psi min -1 (rpm) lbf in Nm OMS 16 Q=5 l/min [1.3 US gal/min] 1 l/min [2.6 US gal/min] 2 l/min [5.3 US gal/min] N=1kW 1hp 6hp 3hp 6kW 3kW 3 l/min [7.9 US gal/min] 9kW 4 l/min [1.6 US gal/min] 12hp 9hp η t =87% 86% 18hp 12kW 15hp 5 l/min [13.2 US gal/min] 85% 15kW 6 l/min [15.9 US gal/min] 18kW 83% N=21kW 21hp 8% 75 l/min [19.8 US gal/min] 75% 7% Q=9 l/min [23.8 US gal/min] η t =6% p=26 bar 377 psi 225 bar 326 psi 21 bar 35 psi 175 bar 254 psi 16 bar 232 psi 14 bar 23 psi 15 bar 152 psi 7 bar 12 psi p= 35 bar 51 psi min -1 (rpm) L47 Rev 61 February

20 OMS OMS 2 lbf in 7 Nm 75 Q=5 l/min [1.3 US gal/min] 1 l/min [2.6 US gal/min] 2 l/min [5.3 US gal/min] 3 l/min [7.9 US gal/min] 4 l/min [1.6 US gal/min] 5 l/min [13.2 US gal/min] 6 l/min [15.9 US gal/min] 75 l/min [19.8 US gal/min] Q=9 l/min [23.8 US gal/min] N=1kW 1hp 6kW 6hp 3kW 3hp 15hp 9kW 12hp 9hp η t =88% 12kW 86% 85% 15kW 18hp 83% 18kW N=21kW 21hp 8% 75% 7% η t =6% p=25 bar 363 psi 225 bar 326 psi 21 bar 35 psi 175 bar 254 psi 16 bar 232 psi 14 bar 23 psi 15 bar 152 psi 7 bar 12 psi p= 3 bar 44 psi min -1 (rpm) OMS 25 lbf in 8 Nm 9 Q=5 l/min [1.3 US gal/min] 1 l/min [2.6 US gal/min] 2 l/min [5.3 US gal/min] 3 l/min [7.9 US gal/min] 4 l/min [1.6 US gal/min] 5 l/min [13.2 US gal/min] 6 l/min [15.9 US gal/min] 75 l/min [19.8 US gal/min] Q=9 l/min [23.8 US gal/min] p=25 bar 363 psi hp N=1kW 1hp 6kW 3kW 6hp η t =87% 9kW 9hp 12kW 15hp 12hp 15kW 86% 18hp 85% 18kW 83% 21hp N=21kW 8% η t =6% 75% 7% 225 bar 326 psi 2 bar 29 psi 175 bar 254 psi 155 bar 225 psi 14 bar 23 psi 125 bar 181 psi 95 bar 139 psi 7 bar 12 psi p= 35 bar 51 psi min -1 (rpm) L47 Rev 61 February 216

21 OMS OMS 315 lbf in Nm Q=5 l/min [1.3 US gal/min] 1 l/min [2.6 US gal/min] 2 l/min [5.3 US gal/min] N=1kW 1hp 3 l/min [7.9 US gal/min] 3kW 3hp 4 l/min [1.6 US gal/min] 6kW 6hp 9kW 5 l/min [13.2 US gal/min] 12hp 9hp 6 l/min [15.9 US gal/min] 15hp 18hp N=18kW 75 l/min [19.8 US gal/min] η t =87% 8% 85% 83% 12kW 15kW 75% 7% η t =6% Q=9 l/min [23.8 US gal/min] p=24 bar 348 psi 225 bar 326 psi 2 bar 29 psi 175 bar 254 psi 16 bar 232 psi 14 bar 23 psi 12 bar 174 psi 1 bar 145 psi 7 bar 12 psi p= 35 bar 51 psi min -1 (rpm) OMS 4 lbf in Nm Q=5 l/min [1.3 US gal/min] 1 l/min [2.6 US gal/min] 2 l/min [5.3 US gal/min] N= 1kW 1hp 3 l/min [7.9 US gal/min] 3kW 3hp 4 l/min [1.6 US gal/min] 6kW 6hp η t =87% 86% 5 l/min [13.2 US gal/min] 9hp 85% 83% 8% 75% η t =6% 6 l/min [15.9 US gal/min] 9kW 7% N=15kW 12kW 12hp 75 l/min [19.8 US gal/min] 15hp Q=9 l/min [23.8 US gal/min] p=19 bar 276 psi 175 bar 254 psi 16 bar 232 psi 14 bar 23 psi 12 bar 174 psi 15 bar 152 psi 8 bar 116 psi 6 bar 87 psi p= 3 bar 44 psi min -1 (rpm) L47 Rev 61 February

22 OMS OMS 5 lbf in 1 Nm 11 Q=5 l/min [1.3 US gal/min] 1 l/min [2.6 US gal/min] 2 l/min [5.3 US gal/min] 3 l/min [7.9 US gal/min] 4 l/min [1.6 US gal/min] 5 l/min [13.2 US gal/min] 6 l/min [15.9 US gal/min] 75 l/min [19.8 US gal/min] Q=9 l/min [23.8 US gal/min] N= 1kW 1hp 6hp 3kW 3hp 6kW η t =88% 86% 85% 9kW 12hp 83% 9hp 8% N=12kW 75% 7% η t =6% p=14 bar 23 psi 12 bar 174 psi 15 bar 152 psi 9 bar 13 psi 8 bar 116 psi 5 bar 73 psi p= 25 bar 36 psi min -1 (rpm) Function diagram use Explanation of function diagram use, basis and conditions, see Speed, torque and output on page 7. Maximum permissible continuous/intermittent torque for the actual shaft version, see Technical data on page 11. Intermittent pressure drop and oil flow must not occur simultaneously L47 Rev 61 February 216

23 OMS Shaft version [2.28] R.6 [.24] 18 [.71] 6 [.24] [1.96] 47.6 [1.874] min. 2 [.78] R.4 [.16] 3/8-16 UNC - Ø35 [1.38] M8 Ø32.18 [1.265] Ø32.2 [1.2599] 35. [1.378] [1.367] B Ø35 [1.38] Ø31.75 [1.25] Ø [1.248] [1.391] 35.8 [1.381] 45.5 [1.791] 45. [1.772] 56.5 [2.224] 5.5 [.217] 4.5 [.177] 1. [.3937] [.3923] D [1.25] [1.235] 9.4 [.37] 7.5 [.295] [.3135] [.3125] E 43.4 [1.78] 42.6 [1.678] R.5 [.2] min. 2 [.78] R4 [.16] 3/8-16 UNC - C Ø35 [1.38] Ø25.4 [1.] Ø25.38 [.999] 28.2 [1.11] 27.9 [1.98] [1.25] [1.235] 3. [.118] 2. [.79] 6.4 [.252] 6.35 [.25] F Cylindrical 32 mm shaft B Cylindrical 1.25 in shaft C Cylindrical 1 in shaft D Parallel key DIN 6885 Keyway deviates from standard E Parallel key 5/16 5/16 11/4 in SE J744 Keyway deviates from standard F Parallel key 1/4 1/4 11/4 in B.S. 46 Keyway deviates from standard 52L47 Rev 61 February

24 OMS 58 [2.28] 18 [.71] 48.4 [1.96] 47.6 [1.874] min. 2 [.78] 45 R.4 [.16] 6 [.24] - 45 R.4 [.16] 3/8-16 UNC - D Ø35 [1.38] M8 Ø31.75 [1.25] Ø [1.249] E Ø35 [1.38] Ø31.75 [1.25] Ø [1.249] 38 [1.5] 36 [1.42] 35 [1.38] 32 [1.26] min. 14 [.55] R2 [.8] - ¼ -2 UNC-2B *6.275 [.247] *6.2 [.2441] F Ø35 [1.38] Ø [.9979] Ø [.996] 6x [.878] 21.7 [.854] 1[.4]x45 *21.54 [.848] *21.4 [.843] 43.4 [1.79] 42.6 [1.677] D Involute splined shaft NS B standard Flat root side fit Pitch 12/24 Teeth 14 Major diameter 1.25 in Pressure angle 3 E US version Involute splined shaft NS B standard Flat root side fit Pitch 12/24 Teeth 14 Major diameter 1.25 in Pressure angle 3 F Splined shaft SE 6 B (B.S. 259) Straight-sided, bottom fitting, deep Fit 2 Nominal size 1 in *Deviates from SE 6 B (B.S. 259) 24 52L47 Rev 61 February 216

25 OMS Ø18.6 [.732] Ø18.4 [.724] - J K - G Ø35 [1.38] R4 [.16] 13.5 [.531] 12.5 [.492] 33.2 [1.37] 32.8 [1.291] Ø22.1 [.87] Ø21.9 [.862] R2.5 [.98] H Ø35 [1.38] 4 [.16] 2 [.79] 36 [1.42] Ø4.5 [.177] M2x1.5 [.591] Ø44 [1.73] 19.1.[.752] 19. [.748] 13 [.51] 6. [.236] 5.97 [.235] L 58 [2.28] 54.3 [2.138] 53.7 [2.114] 12.7 [.5] 45 M N 5 [.2] - I Ø35 [1.38] Ø4 [.15] Ø [1.251] Ø [1.249] [.676] [.677] [1.25] [1.235] 35.6 [1.42] 34.4 [1.354] 7.96 [.3134] 7.94 [.3126] O G Involute splined shaft H Tapered 35 mm shaft I Tapered 1 1/4 in shaft NS B standard (ISO/R775) M 1-2 UNEF Flat root side fit K DIN 937 cross flats 1 7/16 in I Pitch 16/32 Teeth 13 Major dia..875 in Pressure angle 3 Tapered 1 1/4 in shaft cross flats: 41 mm Tightening torque: 2 ± 1 Nm [177 ±85 lbf in] J Taper 1:1 L Parallel key B6 6 2 Tightening torque: 2 ± 1 Nm (177 ±85 lbf in) N Cone 1:8 O SE J51 Parallel key 5/16 5/16 1 1/4 DIN 6885 SE J51 Keyway deviates from standard Keyway deviates from standard 52L47 Rev 61 February

26 OMS 1 [3.94] R.5 [.2] R6.7 [.267] 45 R5 [.2] [.34] 8.53 [.336] J Ø4 [1.57] 29.5 [1.161] 29.3 [1.154] Ø34.85 [1.372] Ø34.73 [1.367] 7 [.28] [1.56] [1.486] 77 [3.3] 75 [2.95] [1.18] [1.98] J P.t.o. shaft DIN 9611 Form 1 (ISO/R5 without pin hole) ** Deviates from DIN 9611 Port thread versions B min. 16 [.63] E Ø34.4 [1.354] Ø34. [1.339] F min [.657] C G min. 12 [.47] D Ø21.4 [.843] Ø21. [.827] H min. 12 [.47] G main ports B UNF main ports E ISO 228/1 - G1/2 O-ring boss port F 7/8-14 UNF C G drain port D UNF drain port G ISO 228/1 - G1/4 O-ring boss port H 7/16-2 UNF Dimensions 26 52L47 Rev 61 February 216

27 OMS Standard flange European version Ø82.55 [3.25] Ø82.5 [3.248] L 22.6 [.89] 21.4 [.85] L 2 18 [.71] L 3 L [1.47] 26.4 [1.39] 5.6 [.22] 4.4 [.17] 16.3 [.642] 15.7 [.618] 21.3 [.839] 2.7 [.815] 7 [2.76] max. 13 [4.6] 16.3 [.642] 15.7 [.618] 21.3 [.839] 2.7 [.815] Ø2 [.79] 4 [1.57] 66.5 [2.618] 6.35 [.25] 64.5 [2.539] 5.85 [.23] C D E R18 [.71] R1 [.4] 1 [.4]x45 Ø13.5 [.531] 48 [1.89] max. 52 [2.5] max. 54 [2.13] 56 [2.2] Rmin. 14 [.55] R13 [.51] R2 [.78] max. 15 [4.13] max. 128 [5.4] 16.8 [4.25] 16. [4.173] max. 131 [5.157] C: Drain connection G 1 4; 12 mm [.47 in] deep D: M1; 13 mm [.51 in] deep E: G 1 2; 15 mm [.59 in] deep 52L47 Rev 61 February

28 OMS Type L max mm [in] L 1 mm [in] L 2 mm [in] OMS [6.57] 14. [.551] 124 [4.88] OMS 1 17 [6.69] 17.4 [.685] 127 [5.] OMS [6.89] 21.8 [.858] 132 [5.2] OMS [7.13] 27.8 [1.94] 138 [5.43] OMS [7.4] 34.8 [1.37] 145 [5.71] OMS [7.72] 43.5 [1.713] 153 [6.2] OMS [8.19] 54.8 [2.157] 165 [6.5] OMS [8.7] 68.4 [2.693] 178 [7.1] Output shaft L 3 mm [in] ll shafts except P.t.o. shaft max 67 [2.64] min 65 [2.56] P.t.o. shaft max 19 [4.29] min 17 [4.21] 28 52L47 Rev 61 February 216

29 OMS Standard flange US version Standard flange Ø82.55 [3.25] Ø82.5 [3.248] L 3 18 [.71] Ø13.5 [.531] L 2 Ø21 [.83] 6.35 [.25] 5.85 [.23] 66.5 [2.618] 64.5 [2.539] R1 [.4] 1 [.4]x45 L L1 C 56 [2.2] 5.6 [.22] 4.4 [.17] D 22.6 [.89] 21.4 [.85] 27.6 [1.47] 26.4 [1.39] E 16.3 [.642] 15.7 [.618] 21.3 [.839] 2.7 [.815] 7 [2.76] 16.3 [.642] 15.7 [.618] 21.3 [.839] 2.7 [.815] R18 [.71] max. 52 [2.5] max. 54 [2.13] 4 [1.57] max. 13 [4.6] max. 15 [4.13] max. 126 [4.96] 16.8 [4.25] 16. [4.173] max. 131 [5.16] C: Drain connection UNF; 12 mm [.47 in] deep O-ring boss port D: M1; 13 mm [.51 in] deep E: UNF; 16.7 mm [.657 in] deep O-ring boss port Type L max mm [in] L 1 mm [in] L 2 mm [in] OMS [6.57] 14. [.551] 124 [4.88] OMS 1 17 [6.69] 17.4 [.685] 127 [5.] OMS [6.89] 21.8 [.858] 132 [5.2] 52L47 Rev 61 February

30 OMS Type L max mm [in] L 1 mm [in] L 2 mm [in] OMS [7.13] 27.8 [1.94] 138 [5.43] OMS [7.4] 34.8 [1.37] 145 [5.71] OMS [7.72] 43.5 [1.713] 153 [6.2] OMS [8.19] 54.8 [2.157] 165 [6.5] OMS [8.7] 68.4 [2.693] 178 [7.1] OMS [8.7] 68.4 [2.693] 178 [7.1] Output shaft Cyl.1.25 in Splined 1.25 in L 3 mm [in] max 57 [2.24] min 55 [2.17] Tapered 1.25 in max 67 [2.64] min 65 [2.56] 3 52L47 Rev 61 February 216

31 OMS Special flange European version Ø82.55 [3.25] Ø82.5 [3.248] 1 [.4]x45 48 [1.89] 5.6 [.22] 4.4 [.17] 22.6 [.89] 21.4 [.85] 56 [2.2] max. 13 [4.6] Ø11.5 [.453] Ø2 [.79] 78.5 [3.91] 76.5 [3.12] L 18 [.71] L 1 L 2 55 [2.17] 53 [2.9] 58 [2.28] 6.35 [.25] 5.85 [.23] R1 [.4] C D E 27.6 [1.47] 26.4 [1.39] 16.3 [.642] 15.7 [.618] 21.3 [.839] 2.7 [.815] 7 [2.76] max. 13 [4.6] 16.3 [.642] 15.7 [.618] 21.3 [.839] 2.7 [.815] R18 [.71] R1 [.39] max. 52 [2.5] max. 54 [2.13] Ø16.8 [4.25] Ø16. [4.173] max. 13 [4.6] C: Drain connection G 1 4; 12 mm [.47 in] deep E: G 1 2; 15 mm [.59 in] deep D: M1; 13 mm [.51 in] deep Type L max mm [in] L 1 mm [in] L 2 mm [in] OMS [7.1] 14. [.551] 136 [5.35] OMS [7.17] 17.4 [.685] 14 [5.51] 52L47 Rev 61 February

32 OMS Type L max mm [in] L 1 mm [in] L 2 mm [in] OMS [7.32] 21.8 [.858] 144 [5.67] OMS [7.56] 27.8 [1.94] 15 [5.91] OMS [7.83] 34.8 [1.37] 157 [6.18] OMS [8.19] 43.5 [1.713] 166 [6.54] OMS [8.62] 54.8 [2.157] 177 [6.97] OMS [9.13] 68.4 [2.693] 19 [7.48] -2 flange US version Ø88.55 [3.25] Ø82.5 [3.248] L3 18 [.71] R1 [.4] Ø13.5 [.531] 6.35 [.25] 5.85 [.23] 1 [.4]x45 L L1 56 [2.2] max. 131 [5.16] 16.8 [4.25] 16. [4.173] L 2 Ø21 [.83] 66.5 [2.618] 64.5 [2.539] C 5.6 [.22] 4.4 [.17] D 22.6 [.89] 21.4 [.85] 27.6 [1.47] 26.4 [1.39] E 16.3 [.642] 15.7 [.618] 21.3 [.839] 2.7 [.815] 7 [2.76] 16.3 [.642] 15.7 [.618] 21.3 [.839] 2.7 [.815] R18 [.71] max. 52 [2.5] max. 54 [2.13] 4 [1.57] max. 13 [4.6] max. 126 [4.96] C: Drain connection UNF; D: M1; 13 mm [.51 in] deep 32 52L47 Rev 61 February 216

33 OMS 12 mm [.47 in] deep O-ring boss port E: UNF; 16.7 mm [.657 in] deep O-ring boss port Type L max mm [in] L 1 mm [in] L 2 mm [in] OMS [6.57] 14. [.551] 124 [4.88] OMS 1 17 [6.69] 17.4 [.685] 127 [5.] OMS [6.89] 21.8 [.858] 132 [5.2] OMS [7.13] 27.8 [1.94] 138 [5.43] OMS [7.4] 34.8 [1.37] 145 [5.71] OMS [7.72] 43.5 [1.713] 153 [6.2] OMS [8.19] 54.8 [2.157] 165 [6.5] OMS [8.7] 68.4 [2.693] 178 [7.1] OMS [8.7] 68.4 [2.693] 178 [7.1] Output shaft Cyl.1 in Splined 1 in Cyl.1.25 in Splined 1.25 in L 3 mm [in] max 52 [2.5] min 5 [1.97] max 57 [2.24] min 55 [2.17] Tapered 1.25 in max 67 [2.64] min 65 [2.56] 52L47 Rev 61 February

34 OMS Magneto flange US version Ø88.55 [3.25] Ø82.5 [3.248] L [.744] Ø13.5 [.531] 2.6 [.12].3 [.12]x45 6xØ2 [.79] Ø21 [.83] 7 [2.75] 68 [2.68] L L1 56 [2.2] max. 136 [5.35] 16.8 [4.25] 16. [4.173] L2 C 5.6 [.22] 4.4 [.17] D 22.6 [.89] 21.4 [.85] 27.6 [1.47] 26.4 [1.39] E 16.3 [.642] 15.7 [.618] 21.3 [.839] 2.7 [.815] 7 [2.76] 16.3 [.642] 15.7 [.618] 21.3 [.839] 2.7 [.815] R18 [.71] max. 52 [2.5] max. 54 [2.13] max. 13 [4.6] C: Drain connection UNF; 12 mm [.47 in] deep O-ring boss port D: M1; 13 mm [.51 in] deep E: UNF; 16.7 mm [.657 in] deep O-ring boss port 34 52L47 Rev 61 February 216

35 OMS Type L max mm [in] L 1 mm [in] L 2 mm [in] OMS [6.73] 14. [.551] 128 [5.4] OMS [6.85] 17.4 [.685] 131 [5.16] OMS [7.5] 21.8 [.858] 136 [5.35] OMS [7.28] 27.8 [1.94] 142 [5.59] OMS [7.56] 34.8 [1.37] 149 [5.87] OMS 25 2 [7.87] 43.5 [1.713] 157 [6.18] OMS [8.35] 54.8 [2.157] 169 [6.65] OMS [8.86] 68.4 [2.693] 182 [7.17] OMS [8.86] 68.4 [2.693] 182 [7.17] Output shaft Cyl.1 in Splined 1 in Cyl.1.25 in Splined 1.25 in L 3 mm [in] max 49 [1.93] min 47 [1.85] max 54 [2.13] min 52 [2.5] 52L47 Rev 61 February

36 OMS SE-B flange US version Ø11.6 [4.] Ø11.55 [3.998] Ø56.5 [2.224] Ø55.5 [2.185] L3 18 [.71] R1 [.4] Ø14.3 [.57] 9.7 [.382] 9.3 [.366] 1 [.4]x45 L L1 56 [2.2] R1 [.39] max. 174 [6.85] [5.75] Rmin. 14 [.55] L2 Ø21 [.83] 66.5 [2.618] 64.7 [2.547] 3.5 [.138] 3.3 [.13] C 5.6 [.22] 4.4 [.17] D 22.6 [.89] 21.4 [.85] 27.6 [1.47] 26.4 [1.39] E 16.3 [.642] 15.7 [.618] 21.3 [.839] 2.7 [.815] 7 [2.76] 16.3 [.642] 15.7 [.618] 21.3 [.839] 2.7 [.815] R18 [.71] max. 52 [2.5] max. 54 [2.13] max. 13 [4.6] max. 126 [4.96] 4 [1.57] C: Drain connection UNF; 12 mm [.47 in] deep O-ring boss port E: UNF; 16.7 mm [.657 in] deep O-ring boss port D: M1; 13 mm [.51 in] deep 36 52L47 Rev 61 February 216

37 OMS Type L max mm [in] L 1 mm [in] L 2 mm [in] OMS [6.57] 14. [.551] 124 [4.88] OMS 1 17 [6.69] 17.4 [.685] 127 [5.] OMS [6.89] 21.8 [.858] 132 [5.2] OMS [7.13] 27.8 [1.94] 138 [5.43] OMS [7.4] 34.8 [1.37] 145 [5.71] OMS [7.72] 43.5 [1.713] 153 [6.2] OMS [8.19] 54.8 [2.157] 165 [6.5] OMS [8.7] 68.4 [2.693] 178 [7.1] OMS [8.7] 68.4 [2.693] 178 [7.1] Output shaft L 3 mm [in] Splined 1.25 in max 57 [2.24] min 55 [2.17] Splined.875 in max 42 [1.65] min 4 [1.57] 52L47 Rev 61 February

38 OMS Wheel European version Ø125. [4.9213] Ø [4.9188] max. Ø73 [2.87] 58 [2.28] 16 1 [.4]x45 48 [1.89] 5.6 [.22] 4.4 [.17] 22.6 [.89] 21.4 [.85] 56 [2.2] max. 139 [5.46] max. 139 [5.46] Ø13.5 [.531] 43.9 [1.738] 42.5 [1.673] 14 [4.9] 12 [4.2] 16 [.63] L [1.12] L1 Ø2 [.79] 9 [.35] 7 [.28] R1 [.4] R6 [.24] C L D E 27.6 [1.47] 26.4 [1.39] 16.3 [.642] 15.7 [.618] 21.3 [.839] 2.7 [.815] 7 [2.76] 16.3 [.642] 15.7 [.618] 21.3 [.839] 2.7 [.815] R18 [.71] max. 52 [2.5] max. 54 [2.13] max. 13 [4.6] R12 [.47] 16.4 [6.315] [6.283] C: Drain connection G 1 4; 12 mm [.47 in] deep E: G 1 2; 15 mm [.59 in] deep D: M1; 13 mm [.51 in] deep 38 52L47 Rev 61 February 216

39 OMS Type L max mm [in] L 1 mm [in] L 2 mm [in] OMSW [5.8] 14. [.551] 87 [3.43] OMSW [5.2] 17.4 [.685] 9 [3.54] OMSW [5.39] 21.8 [.858] 95 [3.74] OMSW [5.63] 27.8 [1.94] 11 [3.98] OMSW 2 15 [5.91] 34.8 [1.37] 18 [4.25] OMSW [6.22] 43.5 [1.713] 116 [4.57] OMSW [6.69] 54.8 [2.157] 128 [5.4] OMSW [7.2] 68.4 [2.693] 142 [5.59] 52L47 Rev 61 February

40 OMS Wheel US version Ø127.5 [5.] Ø [4.998] max. Ø73 [2.87] 16 1 [.4]x45 56 [2.2] L L1 max. 139 [5.46] Ø13.5 [.531] 28.5 [1.12] L 2 L 3 16 [.63] R1 [.4] Ø21 [.83] 8 [.31] R6 [.24] C 5.6 [.22] 4.4 [.17] D 22.6 [.89] 21.4 [.85] 27.6 [1.47] 26.4 [1.39] E 16.3 [.642] 15.7 [.618] 21.3 [.839] 2.7 [.815] 7 [2.76] 16.3 [.642] 15.7 [.618] 21.3 [.839] 2.7 [.815] R18 [.71] max. 52 [2.5] max. 54 [2.13] max. 13 [4.6] R12 [.47] Ø161.9 [6.374] max. 139 [5.46] C: Drain connection UNF; 12 mm [.47 in] deep O-ring boss port D: M1; 13 mm [.51 in] deep E: UNF; 16.7 mm [.657 in] deep O-ring boss port Type L max mm [in] L 1 mm [in] L 2 mm [in] OMSW 8 13 [5.12] 14. [.551] 88 [3.46] OMSW [5.24] 17.4 [.685] 91 [3.58] 4 52L47 Rev 61 February 216

41 OMS Type L max mm [in] L 1 mm [in] L 2 mm [in] OMSW [5.43] 21.8 [.858] 96 [3.78] OMSW [5.67] 27.8 [1.94] 12 [4.2] OMSW [5.94] 34.8 [1.37] 19 [4.29] OMSW [6.26] 43.5 [1.713] 117 [4.61] OMSW [6.73] 54.8 [2.157] 129 [5.8] OMSW [7.24] 68.4 [2.693] 142 [5.59] OMSW [7.24] 68.4 [2.693] 142 [5.59] Output shaft L 3 mm [in] Cyl.1.25 in max 94 [3.7] min 92 [3.62] Tapered 1.25 in max 14 [4.9] min 12 [4.2] 52L47 Rev 61 February

42 OMS Short European version C: Drain connection G 1 4; 12 mm [.47 in] deep D: M1; 13 mm [.51 in] deep E: G 1 2; 15 mm [.59 in] deep Type L max mm [in] L 1 mm [in] L 2 mm [in] OMSS [4.88] 14. [.551] 83 [3.27] OMSS [5.4] 17.4 [.685] 86 [3.39] OMSS [5.2] 21.8 [.858] 9 [3.54] OMSS [5.43] 27.8 [1.94] 96 [3.78] OMSS [5.71] 34.8 [1.37] 13 [4.6] OMSS [6.6] 43.5 [1.713] 112 [4.41] OMSS [6.5] 54.8 [2.157] 123 [4.84] OMSS [7.5] 68.4 [2.693] 137 [5.39] 42 52L47 Rev 61 February 216

43 OMS OMSS Installing the OMSS The cardan shaft of the OMSS motor acts as an output shaft. Because of the movement of the shaft, no seal can be fitted at the shaft output. Internal oil leakage from the motor will therefore flow into the attached component. During start and operation it is important that the spline connection and the bearings in the attached component receive oil and are adequately lubricated. To ensure that the spline connection receives sufficient oil, a conical sealing ring between the shaft of the attached component and the motor intermediate plate is recommended. This method is used in the OMS. The conical sealing ring (code. no. 633B923) is supplied with the motor. To ensure that oil runs to the bearings and other parts of the attached component, the stop plate must have a hole in it (see fig. below). We recommend an O-ring between motor and attached component. The O-ring (code no. 151F133) is supplied with the motor. If motor and attached component have been separated, remember to refill before starting up. Fill the oil through the drain connection. ttached component dimensions OMSS dimensions of the attached component in millimeter [inches] 2.35 [.93] 2.25 [.89] E C min. Ø4 [.16] K K.1 K.25 [.1] 33 [1.3] 31 [1.22] min. Ø4 [1.57] Ø1 [3.94] Ø18. [4.252] Ø17.6 [4.236] B Ø61.5 [2.421] Ø6.5 [2.382] Ø4.5 [1.594] Ø4.3 [1.587] G H 27.3 [1.75] 26.7 [1.51] 52.3 [2.59] 51.7 [2.35] 15 [.59] F 8.4 [.331] 8. [.315] Ø29.5 [1.161] Ø28.5 [1.122] Ø35.5 [1.398] Ø34.5 [1.358] D 6.2 [.244] 5.8 [.228] 28 [1.1] 26 [1.2] 34.2 [1.346] 33.8 [1.331] 16.5 [.65] 15.5 [.61] O-ring: 1 3 mm B External drain channel C Drain connection G 1 4; 12 mm [.47 in] deep D Conical seal ring E Internal drain channel F M1; min. 15 mm [.59 in] deep G Oil circulation hole H Hardened stop plate Internal spline data for the component to be attached The attached component must have internal splines corresponding to the external splines on the motor cardan shaft (see drawing below). 52L47 Rev 61 February

44 OMS Material: Case hardening steel with a tensile strength corresponding at least to 2 MoCr4 (9 N/mm 2 ) or SE 862. Hardening specification: On the surface: HV = 75 ± 5.7 ±.2 mm under the surface: HV = 56 Internal involute spline data; Standard NS B , class 5 (corrected m X =.8; m = ) Flat root side fit mm in Number of teeth z Pitch DP 12/24 12/24 Pressure angle 3 3 Pitch dia. D Major dia. D ri Form dia. (min.) D fi Minor dia. D i Space width (circular) L o 4.38 ± ±.8 Tooth thickness (circular) S o Fillet radius R min..2.8 Max. mea surement between pins * l Pin dia. d ± ±.4 * Finished dimensions (when hardened). R min L o S o l d D ri D i D fi D Motor or attached component drain connection Use the drain line when pressure in the return line exceeds the permissible pressure on the shaft seal of the attached component. Connect the drain line either at the: Motor drain connection Drain connection of the attached component If a drain line is fitted to the attached component, it must be possible for oil to flow freely between motor and attached component L47 Rev 61 February 216

45 OMS The drain line must be led to the tank in such a way that there is no risk of the motor and attached component being drained of oil when at rest. The maximum pressure in the drain line is limited by the attached component and its shaft seal. 52L47 Rev 61 February

46 OMT Versions OMT versions Mounting flange Standard flange Shaft Port size Europea n version US version Drain connection Check valve Low pressure release High pressure release Cyl. 4 mm G 3/4 X Yes Yes OMT Cyl. 1.5 in 1 1/16-12 UN X Yes Yes OMT Splined 1.5 in G 3/4 X Yes Yes OMT 1 1/16-12 UN X Yes Yes OMT Tapered 45 mm G 3/4 X Yes Yes OMT Tapered 1.75 in 1 1/16-12 UN X Yes Yes OMT P.t.o. G 3/4 X Yes Yes OMT Main type designation Wheel Cyl. 4 mm G 3/4 X Yes Yes OMTW Tapered 45 mm G 3/4 X Yes Yes OMTW Tapered 1.75 in 1 1/16-12 UN X Yes Yes OMTW Brake-wheel Wheel bolt flange G 3/4 X Yes No X OMT FX Brakestandard Thread hole flange G 3/4 X Yes No X OMT FX Cyl. 4 mm G 3/4 X Yes No X OMT FL Splined 1.5 in G 3/4 X Yes No X OMT FL Cyl. 4 mm G 3/4 X Yes No X OMT FH Splined 1.5 in G 3/4 X Yes No X OMT FH Short No output shaft G 3/4 X Yes Yes OMTS Features Features available (options): Speed sensor Motor with tacho connection Viton shaft seal Painted Ultra short Code numbers OMT code numbers Code Numbers Displacement [cm 3 ] B B B B B B L47 Rev 61 February 216

47 OMT OMT code numbers (continued) Code Numbers Displacement [cm 3 ] B B B B B B B B B B B Ordering dd the four digit prefix 151B to the four digit numbers from the chart for complete code number. Example: 151B32 for an OMT 25 with standard flange, cyl. 4 mm shaft and port size G 3/4. Orders will not be accepted without the four digit prefix. Technical data Maximum permissible shaft seal pressure Motor with check valves and without use of drain connection The pressure on the shaft seal never exceeds the pressure in the return line Motor with check valves and with drain connection The shaft seal pressure equals the pressure on the drain line. OMT FX, OMT FL and OMT FH must always be fitted with drain line. Maximum pressure in drain line is 5 bar [75 psi] 52L47 Rev 61 February

48 OMT Maximum return pressure The shaft seal pressure equals the pressure on the drain line. Maximum return pressure without drain line or maximum pressure in the drain line P psi P bar max. min -1 (rpm) Intermittent operation: the permissible values may occur for max. 1% of every minute. Continuous operation OMT, OMTW, OMTS, OMT FX OMT FL and OMT FH Technical data for OMT, OMTW, OMTS, OMT FX OMT FL and OMT FH Type OMT OMTW OMTS OMT FX OMT FL OMT FH OMT OMTW OMTS OMT FX OMT FL OMT FH OMT OMTW OMTS OMT FX OMT FL OMT FH OMT OMTW OMTS OMT FX OMT FL OMT FH OMT OMTW OMTS OMT FX OMT FL OMT FH OMT OMTW OMTS OMT FX OMT FL OMT FH Motor size Geometric displacement cm 3 [in 3 ] Maximum speed min -1 [rpm] [9.83] 21.4 [12.29] [15.37] [19.91] 41.9 [25.7] cont int 1) [31.95] 48 52L47 Rev 61 February 216

49 OMT Technical data for OMT, OMTW, OMTS, OMT FX OMT FL and OMT FH (continued) Type OMT OMTW OMTS OMT FX OMT FL OMT FH OMT OMTW OMTS OMT FX OMT FL OMT FH OMT OMTW OMTS OMT FX OMT FL OMT FH OMT OMTW OMTS OMT FX OMT FL OMT FH OMT OMTW OMTS OMT FX OMT FL OMT FH OMT OMTW OMTS OMT FX OMT FL OMT FH Motor size Maximum torque Nm [lbf in] cont. 47 [416] 59 [522] 73 [646] 95 [841] 18 [956] 122 [18] int. 1) 56 [496] 71 [628] 88 [779] 114 [19] 126 [1115] 137 [1213] Maximum output kw [hp] cont [35.5] 33.5 [44.9] 33.5 [44.9] 33.5 [44.9] 3. [4.2] 26.5 [35.5] int. 1) 32. [42.9] 4. [53.6] 4. [53.6] 4. [53.6] 35. [46.9] 3. [4.2] Maximum pressure drop bar [psi] cont. 2 [29] 2 [29] 2 [29] 2 [29] 18 [261] 16 [232] int. 1) 24 [348] 24 [348] 24 [348] 24 [348] 21 [35] 18 [261] peak 2) 28 [46] 28 [46] 28 [46] 28 [46] 24 [348] 21 [35] Maximum oil flow l/min [USgal/min] cont. 1 [26.4] 125 [33.] 125 [33.] 125 [33.] 125 [33.] 125 [33.] int. 1) 125 [33.] 15 [39.6] 15 [39.6] 15 [39.6] 15 [39.6] 15 [39.6] Maximum starting pressure with unloaded shaft bar [psi] 1 [145] 1 [145] 1 [145] 1 [145] 1 [145] 1 [145] Minimum starting torque at maximum pressure drop cont. Nm [lbf in] 34 [31] 43 [381] 53 [469] 74 [655] 84 [743] 95 [841] at maximum pressure drop int. 1) Nm [lbf in] 41 [363] 52 [46] 63 [558] 89 [788] 97 [859] 16 [938] 1) Intermittent operation: the permissible values may occur for max. 1% of every minute. 2) Peak load: the permissible values may occur for max. 1% of every minute. For maximum permissible combination of flow and pressure, see function diagram for actual motor. Type Maximum inlet pressure Maximum return pressure with drain line OMT, OMTW, OMTS, OMT FX, OMT FL, OMT FH bar [psi] cont. 21 [35] 14 [23] bar [psi] int. 1) 25 [363] 175 [254] bar [psi] peak 2) 3 [435] 21 [35] 52L47 Rev 61 February

50 OMT Brake motors Type OMT FX, OMT FL OMT FH Maximum presssure in Holding torque 4) Brake-release pressure 3) Maximum pressure in drain line 3) brake line 5 bar [7 psi] 5 bar [7 psi] 12 Nm [162 lbf in] 12 Nm [162 lbf in] 12 bar [17 psi] 3 bar [44 psi] 3 bar [44 psi] 28 bar [46 psi] 1) Intermittent operation: the permissible values may occur for maximum 1% of every minute. 2) Peak load: The permissible values may occur for maximum 1% of every minute. 3) Brake motors must always have a drain line. The brake-release pressure is the difference between the pressure in the brake line and the pressure in the drain line. 4) For the supply of motors with holding torques higher than those stated, please contact the Danfoss sales organization. For maximum permissible combination of flow and pressure, see function diagram for actual motor. Pressure drop in motor psi p p bar Q l/min Q US gal/min The curve applies to an unloaded motor shaft and an oil viscosity of 35 mm 2 /s [165 SUS] Oil flow in drain line Maximum oil flow in the drain line at a return pressure less than 5-1 bar [75-15 psi] Pressure drop bar [psi] 14 [23] 21 [35] Viscosity mm 2 /s [SUS] 2 [1] 2.5 [.66] 35 [165] 1.5 [.4] 2 [1] 5. [1.32] 35 [165] 3. [.79] Oil flow in drain line l/min [US gal/min] 5 52L47 Rev 61 February 216

51 OMT Direction of shaft rotation B B Permissible shaft loads for OMT Mounting flange: Standard Shaft: ll shaft types P rad. P rad. lbf N P max. =1 N =2248 lbf mm in Mounting flange: Wheel Shaft: ll shaft types 52L47 Rev 61 February

52 OMT P rad. P rad. lbf N P max. =1 N =2248 lbf mm in The output shaft runs in tapered roller bearings that permit high axial and radial forces The permissible radial load on the shaft is shown for an axial load of N as a function of the distance from the mounting flange to the point of load application. The curve is based on B1 bearing life (2 hours or 12,, shaft revolutions at 1 min -1 ) at rated output torque, when mineral-based hydraulic oil with a sufficient content of anti-wear additives, is used. For 3,, shaft revolutions or 5 hours increase these shaft loads with 52%. The dash curve shows maximum radial shaft load. ny shaft load exceeding the values shown in the curve will involve a risk of breakage. Bearing life calculations can be made using the explanation and formula provided in the chapter "Bearing dimensioning" in the technical information "General Orbital motors" 52L232. Mounting flange: Brake-wheel Shaft: ll shaft types 52 52L47 Rev 61 February 216

53 OMT P rad. P rad. lbf N P - + max. =5 N =1124 lbf P max. =7 N =1574 lbf mm in Mounting flange: Brake-standard Shaft: ll shaft types P rad. P rad. lbf N P max. =1 N =2248 lbf mm in The output shaft runs in tapered roller bearings that permit high axial and radial forces The permissible radial load on the shaft is shown for an axial load of N as a function of the distance from the mounting flange to the point of load application. The curve is based on B1 bearing life (2 hours or 12,, shaft revolutions at 1 min -1 ) at rated output torque, when mineral-based hydraulic oil with a sufficient content of anti-wear additives, is used. For 3,, shaft revolutions or 5 hours increase these shaft loads with 52%. The dash curve shows max. radial shaft load. ny shaft load exceeding the values shown in the curve will involve a risk of breakage. 52L47 Rev 61 February

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