Planetary Gearhead GP 22 HP ∅ 22 mm, 2.0–3.4 Nm High Power
Technical data Planetary Gearhead Output shaft Bearing at output
straight teeth ball bearing max. 0.2 mm max. 0.1 mm
stainless steel, hardened
Radial play, 10 mm from flange Max. axial load (dynamic) Max. force for press fits Direction of rotation, drive to output Max. continuous input speed Axial play Recommended temperature range
100 N 100 N
=
12 000 rpm -40…+100 °C
Number of stages Max. radial load, 10 mm from flange
1
2
3
4
55 N 85 N 100 N 110 N
M 1:1
Stock program Standard program Special program (on request)
Part numbers
370683 370687 370690 370776 370780 370783 370792 370797 370802 370807 3.8 : 1 14 : 1 20 : 1 53 : 1 76 : 1 104 : 1 198 : 1 316 : 1 410 : 1 590 : 1 15/4 225/16 81/4 3375/64 1215/16 87723/845 50625/256 2777895/8788 6561/16 59049/100 4 4 4 4 4 3.2 4 3.2 4 4 370685 370688 370691 370778 370781 370784 370794 370799 370803 370808 4.4 : 1 16 : 1 24 : 1 62 : 1 84 : 1 109 : 1 231 : 1 333 : 1 455 : 1 690 : 1 57/13 855/52 1539/65 12825/208 185193/2197 2187/20 192375/832 69255/208 5000211/10985 1121931/1625 3.2 3.2 3.2 3.2 3.2 4 3.2 3.2 3.2 3.2 370686 370689 370692 370779 370782 370785 370795 370800 370805 370809 5.4 : 1 19 : 1 29 : 1 72 : 1 89 : 1 128 : 1 270 : 1 370 : 1 479 : 1 850 : 1 27/5 3249/169 729/25 48735/676 4617/52 41553/325 731025/2704 10556001/28561 124659/260 531441/625 2.5 3.2 2.5 3.2 3.2 3.2 3.2 3.2 3.2 2.5
Gearhead data (provisional) 1 Reduction 2 Absolute reduction 3 Max. motor shaft diameter 1 Reduction 2 Absolute reduction 3 Max. motor shaft diameter Part numbers 1 Reduction 2 Absolute reduction 3 Max. motor shaft diameter 1 Reduction 2 Absolute reduction 3 Max. motor shaft diameter 4 Number of stages 5 Max. continuous torque Part numbers Part numbers
mm
mm
mm
370786 370796 370801 370806 157 : 1 285 : 1 389 : 1 561 : 1 19683/125 18225/64 263169/676 2368521/4225 2.5 4 3.2 3.2
mm Nm Nm
1
2 3
2
3 3
3 3
3
4
4
4
4
2 2.4 2.4
3 3.4 3.4 3.4 3.4
6 Max. intermittent torque at gear output
2.5 3 3.5 3.5 3.5 3.8 3.8 3.8 3.8 84 70 70 59 59 59 49 49 49 49 51 64 64 78 78 78 91 91 91 91 1.0 1.2 1.2 1.6 1.6 1.6 2.0 2.0 2.0 2.0 0.6 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 25.3 32.3 32.3 39.0 39.0 39.0 45.7 45.7 45.7 45.7
7 Max. efficiency 8 Weight
% g
9 Average backlash no load 10 Mass inertia 11 Gearhead length L1
°
gcm 2 mm
overall length
overall length
Modular system + Motor
+ Sensor/Brake Page
57.4 64.4 64.4 71.1 71.1 71.1 77.8 77.8 77.8 77.8 67.5 74.5 74.5 81.2 81.2 81.2 87.9 87.9 87.9 87.9 93.0 100.0 100.0 106.7 106.7 106.7 113.4 113.4 113.4 113.4 73.9 80.9 80.9 87.6 87.6 87.6 94.3 94.3 94.3 94.3 84.0 91.0 91.0 97.7 97.7 97.7104.4104.4104.4104.4 109.5 116.5 116.5 123.2 123.2 123.2 129.9 129.9 129.9 129.9 Overall length [mm] = Motor length + gearhead length + (sensor/brake) + assembly parts
Page
EC-max 22, 12 W 177
EC-max 22, 12 W 177 16 EASY/XT/Abs. EC-max 22, 12 W 177 16 EASY Abs. XT 437
420–436 67.0 74.0 74.0 80.7 80.7 80.7 87.4 87.4 87.4 87.4
EC-max 22, 12 W 177 AB 20 EC-max 22, 25 W 178 EC-max 22, 25 W 178 16 EASY/XT/Abs.
478
420–436 83.5 90.5 90.5 97.2 97.2 97.2103.9103.9103.9103.9
EC-max 22, 25 W 178 16 EASY Abs. XT 437 EC-max 22, 25 W 178 AB 20 478
maxon 379
© 2026 maxon. All rights reserved. April edition. Subject to change.
Made with FlippingBook Publishing Software