maxon Product Range 2025/26

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

133.0 147.5 147.5 162.0 162.0 162.0 176.5 176.5 176.5 176.5 119.0 133.5 133.5 148.0 148.0 148.0 162.5 162.5 162.5 162.5 119.5 134.0 134.0 148.5 148.5 148.5 163.0 163.0 163.0 163.0 117.5 132.0 132.0 146.5 146.5 146.5 161.0 161.0 161.0 161.0 Overall length [mm] = Motor length + gearhead length + (sensor/brake) + assembly parts

Page

Page

Page

EC-4pole 30, 200 W 295 ENX 22 EMT 518 EC-4pole 30, 200 W 295 16 EASY/XT/Abs. 509–511 EC-4pole 30, 200 W 295 16 EASY Abs. XT 512

EC-4pole 30, 200 W 295 16 RIO EC-4pole 30, 200 W 295

519

AB 20 584 141.3 155.8 155.8 170.3 170.3 170.3 184.8 184.8 184.8 184.8 EC-4pole 30, 200 W 295 ENX 22 EMT 518 AB 20 584 172.5 187.0 187.0 201.5 201.5 205.1 216.0 261.0 216.0 216.0 EC-4pole30,200W 295 16 EASY/XT/Abs. 509–511 AB 20 584 155.4 169.9 169.9 184.4 184.4 184.4 198.9 198.9 198.9 198.9 EC-4pole30,200W 295 16 EASY Abs. XT 512 AB 20 584 155.9 170.4 170.4 184.9 184.9 184.9 199.4 199.4 199.4 199.4 EC-4pole 30, 200 W 295 16 RIO 519 AB 20 584 153.9 168.4 168.4 182.9 182.9 182.9 197.4 197.4 197.4 197.4 EC-i 40, 50 W 306/307 67.1 81.6 81.6 96.1 96.1 96.1 110.6 110.6 110.6 110.6 EC-i 40, 50 W 306/307 ENX 22 EMT 518 95.1 109.6 109.6 124.1 124.1 124.1 138.6 138.6 138.6 138.6 EC-i 40, 50 W 306/307 TSX 40 MAG/RIO 526–527 78.8 93.3 93.3 107.8 107.8 107.8 122.3 122.3 122.3 122.3 EC-i 40, 50 W 306/307 16 EASY/Abs. 509/511 78.8 93.3 93.3 107.8 107.8 107.8 122.3 122.3 122.3 122.3 EC-i 40, 50 W 306/307 16 RIO 519 81.6 96.1 96.1 110.6 110.6 110.6 125.1 125.1 125.1 125.1 EC-i 40, 70 W 308/309 77.1 91.6 91.6 106.1 106.1 106.1 120.6 120.6 120.6 120.6 EC-i 40, 70 W 308/309 ENX 22 EMT 518 105.1 119.6 119.6 134.1 134.1 134.1 148.6 148.6 148.6 148.6 EC-i 40, 70 W 308/309 TSX 40 MAG/RIO 526–527 88.8 103.8 103.8 117.8 117.8 117.8 132.3 132.3 132.3 132.3 EC-i 40, 70 W 308/309 16 EASY/Abs. 509/511 88.8 103.3 103.3 117.8 117.8 117.8 132.3 132.3 132.3 132.3 EC-i 40, 70 W 308/309 16 RIO 519 91.6 106.1 106.1 120.6 120.6 120.6 135.1 135.1 135.1 135.1 EC-i 40, 100 W 310 97.1 111.6 111.6 126.1 126.1 126.1 140.6 140.6 140.6 140.6 EC-i 40, 100 W 310 ENX 22 EMT 518 125.1 139.6 139.6 154.1 154.1 154.1 168.6 168.6 168.6 168.6 EC-i 40, 100 W 310 TSX 40 MAG/RIO 526–527 108.8 123.3 123.3 137.8 137.8 137.8 152.3 152.3 152.3 152.3 EC-i 40, 100 W 310 16 EASY/XT/Abs. 509–511 108.8 123.3 123.3 137.8 137.8 137.8 152.3 152.3 152.3 152.3 EC-i 40, 100 W 310 16 EASY Abs. XT 512 109.3 123.8 123.8 138.3 138.3 138.3 152.8 152.8 152.8 152.8 EC-i 40, 100 W 310 16 RIO 519 111.6 126.1 126.1 140.6 140.6 140.6 155.1 155.1 155.1 155.1 EC-i 40, 130 W 311 131.9 146.4 146.4 160.9 160.9 160.9 175.4 175.4 175.4 175.4 EC-i 40, 130 W 311 ENX22 EMT 518 159.9 174.4 174.4 188.9 188.9 188.9 203.4 203.4 203.4 203.4 EC-i 40, 130 W 311 TSX 40 MAG/RIO 526–527 143.6 158.1 158.1 172.6 172.6 172.6 187.1 187.1 187.1 187.1 EC-i 40, 130 W 311 16 EASY/XT/Abs. 509–511 143.6 158.1 158.1 172.6 172.6 172.6 187.1 187.1 187.1 187.1 EC-i 40, 130 W 311 16 EASY Abs. XT 512 144.1 158.6 158.6 173.1 173.1 173.1 187.6 187.6 187.6 187.6 EC-i 40, 130 W 311 16 RIO 519 146.4 160.9 160.9 175.4 175.4 175.4 189.9 189.9 189.9 189.9

438 maxon gear 

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