Planetary Gearhead GP 42 A ∅ 42 mm, 2.25–11.3 Nm
Technical data Planetary Gearhead Output shaft Bearing at output
straight teeth stainless steel max. 0.06 mm max. 0.3 mm 0 mm 150 N 300 N 6000 rpm -40…+100°C =
preloaded ball bearings
Radial play, 12 mm from flange
Axial play at axial load Max. axial load (dynamic) Max. force for press fits
< 5 N > 5 N
Direction of rotation, drive to output Max. continuous input speed Recommended temperature range
Number of stages Max. radial load, 12 mm from flange
1
2
3
4
120 N 240 N 360 N 360 N
M 1:2
Stock program Standard program Special program (on request)
Part numbers
838267 838259 838250 838271 838257 838249 838246 838245 838263 838240 3.5 : 1 12 : 1 26 : 1 43 : 1 81 : 1 156 : 1 150 : 1 285 : 1 441 : 1 756 : 1 7/2 49/4 26 343/8 2197/27 156 2401/16 15379/54 441 756 14 15 9.1 15 9.4 9.1 15 15 14 14 1010 810 8 810101010 838252 838244 838260* 838262 838269 838247* 838265 838264 838255 838242 4.3 : 1 15 : 1 36 : 1 53 : 1 91 : 1 216 : 1 186 : 1 319 : 1 488 : 1 936 : 1 13/3 91/6 36/1 637/12 91 216/1 4459/24 637/2 4394/9 936 9.1 15 5.0 15 15 5.0 15 15 9.4 9.1 810 41010 41010 8 8 838268* 838272 838254 838243 838266 838258 838256 838239* 6:1 19:1 66 : 1 113 : 1 230 : 1 353 :1 546 : 1 1296 : 1 6/1 169/9 1183/18 338/3 8281/36 28561/81 546 1296/1 4.9 9.4 15 9.4 15 9.4 14 5.0 4 8 10 8 10 8 10 4 838248 838251 838253 838261 838241 838270 21 : 1 74 : 1 126 : 1 257 : 1 394 : 1 676 : 1 21 147/2 126 1029/4 1183/3 676 14 15 14 15 15 9.1 10 10 10 10 10 8 1223334444 2.25 5.6 5.6 11.3 11.3 11.3 11.3 11.3 11.3 11.3 3.40 8.5 8.5 19.9 19.9 19.9 19.9 19.9 19.9 19.9 90 81 81 72 72 72 64 64 64 64 260 360 360 460 460 460 560 560 560 560 0.6 0.8 0.8 1.0 1.0 1.0 1.0 1.0 1.0 1.0 41.0 55.5 55.5 70.0 70.0 70.0 84.5 84.5 84.5 84.5
Gearhead data 1 Reduction 2 Absolute reduction 10 Mass inertia 1 Reduction 2 Absolute reduction 10 Mass inertia 3 Max. motor shaft diameter Part numbers 3 Max. motor shaft diameter Part numbers 1 Reduction 2 Absolute reduction 10 Mass inertia Part numbers 1 Reduction 2 Absolute reduction 10 Mass inertia 3 Max. motor shaft diameter
gcm 2 mm
gcm 2 mm
gcm 2 mm
gcm 2 mm
3 Max. motor shaft diameter 4 Number of stages 5 Max. continuous torque 6 Max. intermittent torque at gear output
Nm Nm %
7 Max. efficiency 8 Weight
g
9 Average backlash no load 11 Gearhead length L1**
°
mm
*no combination with EC 45 (150/250 W) and EC-i 40
overall length
overall length
Modular system + Motor
+ Sensor
Brake
112.1 126.6 126.6 141.1 141.1 141.1 155.6 155.6 155.6 155.6 123.5 138.0 138.0 152.5 152.5 152.5 167.0 167.0 167.0 167.0 132.8 147.3 147.3 161.8 161.8 161.8 176.3 176.3 176.3 176.3 130.2 144.7 144.7 159.2 159.2 159.2 173.7 173.7 173.7 173.7 Overall length [mm] = Motor length + gearhead length + (sensor/brake) + assembly parts
Page
Page
Page
RE 35, 90 W 161
RE 35, 90 W 161 ENX 32 IMR 506 RE 35, 90 W 161 HED_5540 535/537
RE 35, 90 W 161 DCT 22 RE 35, 90 W 161
542
436 maxon gear RE 40, 150 W 163 HED_5540 535/537 AB 28 587 165.4 179.9 179.9 194.4 194.4 194.4 208.9 208.9 208.9 208.9 RE 40, 150 W 163 HEDL 9140 540 AB 28 588 176.7 191.2 191.2 205.7 205.7 205.7 220.2 220.2 220.2 220.2 EC 40, 170 W 272 121.1 135.6 135.6 150.1 150.1 150.1 164.6 164.6 164.6 164.6 EC 40, 170 W 272 HED_5540 536/538 144.5 159.0 159.0 173.5 173.5 173.5 188.0 188.0 188.0 188.0 EC 40, 170 W 272 Res 26 543 148.3 162.8 162.8 177.3 177.3 177.3 191.8 191.8 191.8 191.8 EC 40, 170 W 272 AB 32 589 163.8 178.3 178.3 192.8 192.8 192.8 207.3 207.3 207.3 207.3 EC 40, 170 W 272 HED_5540 536/538 AB 32 589 182.2 196.7 196.7 211.2 211.2 211.2 225.7 225.7 225.7 225.7 EC 45, 150 W 273 152.3 166.8 166.8 181.3 181.3 181.3 195.8 195.8 195.8 195.8 EC 45, 150 W 273 HEDL 9140 540 167.9 182.4 182.4 196.9 196.9 196.9 211.4 211.4 211.4 211.4 EC 45, 150 W 273 Res 26 543 152.3 166.8 166.8 181.3 181.3 181.3 195.8 195.8 195.8 195.8 EC 45, 150 W 273 AB 28 588 159.7 174.2 174.2 188.7 188.7 188.7 203.2 203.2 203.2 203.2 EC 45, 150 W 273 HEDL 9140 540 AB 28 588 176.7 191.2 191.2 205.7 205.7 205.7 220.2 220.2 220.2 220.2 EC 45, 250 W 274 185.1 199.6 199.6 214.1 214.1 214.1 228.6 228.6 228.6 228.6 EC 45, 250 W 274 HEDL 9140 540 200.7 215.2 215.2 229.7 229.7 229.7 244.2 244.2 244.2 244.2 EC 45, 250 W 274 Res 26 543 185.1 199.6 199.6 214.1 214.1 214.1 228.6 228.6 228.6 228.6 EC 45, 250 W 274 AB 28 588 192.5 207.0 207.0 221.5 221.5 221.5 236.0 236.0 236.0 236.0 EC 45, 250 W 274 HEDL 9140 540 AB 28 588 209.5 224.0 224.0 238.5 238.5 238.5 253.0 253.0 253.0 253.0 © 2025 maxon. All rights reserved. March edition. Subject to change. AB 28 587 148.2 162.7 162.7 177.2 177.2 177.2 191.7 191.7 191.7 191.7 RE 35, 90 W 161 HED_5540 535/537 AB 28 587 165.4 179.9 179.9 194.4 194.4 194.4 208.9 208.9 208.9 208.9 RE 40, 150 W 163 112.1 126.6 126.6 141.1 141.1 141.1 155.6 155.6 155.6 155.6 RE 40, 150 W 163 ENX 32 IMR 506 123.5 138.0 138.0 152.5 152.5 152.5 167.0 167.0 167.0 167.0 RE 40, 150 W 163 HED_5540 535/537 132.8 147.3 147.3 161.8 161.8 161.8 176.3 176.3 176.3 176.3 RE 40, 150 W 163 HEDL 9140 540 166.2 180.7 180.7 195.2 195.2 195.2 209.7 209.7 209.7 209.7 RE 40, 150 W 163 AB 28 587 148.2 162.7 162.7 177.2 177.2 177.2 191.7 191.7 191.7 191.7 RE 40, 150 W 163 AB 28 588 156.2 170.7 170.7 185.2 185.2 185.2 199.7 199.7 199.7 199.7
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