maxon Product Range 2025/26

GPX 4 ∅ 4 mm, planetary gearhead

M 5:1 Key data

C Ceramic version

Max. transmittable power Max. continuous torque Max. continuous input speed Ambient temperature Bearing at output

W

0.17 0.015 20 000 -15…+80

Nm rpm

°C

Sleeve bearing

Operating range (output shaft)

C Ceramic version

n [rpm]

Continuous operation Intermittent operation

10000

1000

17:1

68:1 280:1

100

10

0.0001

0.001

0.01

0.1

M [Nm]

Specifications

C Ceramic version

2

3

4

Number of stages Max. transmittable power (continuous) Max. transmittable power (intermittent) Max. continuous torque Max. intermittent torque Max. continuous input speed Max. intermittent input speed Average backlash no load Max. efficiency Max. axial load (dynamic) Max. radial load, 4 mm from flange Gearhead length L11

W W

0.17 0.21 0.002 0.003

0.12 0.15 0.006 0.008

0.08 0.10 0.015

Nm Nm rpm rpm

0.020 20 000 20 000 20 000 40 000 40 000 40 000 76 70 65 3.0 3.3 3.5 5 5 5 3 4 4 9.3 11.0 12.7 0.4 0.5 0.6

%

°

N N

mm

Weight

g

Configuration Number of stages Reduction

C Ceramic version

2 17

3

4

X:1

68

280

Absolute reduction: (see online)

Version Flange Shaft

Ceramic Version Standard flange with/without flat face

EC motor ECX SPEED 4 M ECX SPEED 4 L Modular system

193 194 Page

№ of stages [opt.] 

2–4 2–4

¹This length may vary depending on the configuration and choice of motor. The effective length is calculated at the end of the configuration process.

370 maxon gear 

© 2025 maxon. All rights reserved. March edition. Provisional data. Subject to change.

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