maxon Product Range 2025/26

Screw Drive GP 8 S ∅ 8 mm, metric lead screw Ceramic Version

Technical data Screw

M3 x 0.5, ceramic

Standard length Special length (5 mm steps)

56 mm

max. 100 mm thread nut stainless steel < 0.09 mm straight teeth ball bearing < 0.08 mm preloaded 12 000 rpm -15…+80°C

Nut (standard) Material Axial play Planetary gearhead

Bearing Axial play Radial play, 5 mm from flange Max. continuous input speed Recommended temperature range 

Max. axial load (static) 1  Number of stages

25 N

1

2

3

4

5

Max. radial load, 5 mm from flange

M 5:2

5 N 5 N 5 N 5 N 5 N

Stock program Standard program Special program (on request)

Part numbers

473636 473637

473639 473640 473641

Screw drive data (provisional) Reduction

1 2

4 : 1 4 ⁄ 1 25

16 : 1 16 ⁄ 1 6.3

64 : 1 256 : 1 1024 : 1

Absolute reduction Max. feed velocity 1

64 ⁄ 1 1.6 11 32 31 7.5 2.2 3

256 ⁄ 1 0.4 17 32 28 8.1 2.5 4

1024 ⁄ 1 0.1 27 32

20 21 22

mm/s

Max. feed force (continuous) 1 Max. feed force (intermittent) 1 Number of stages Max. efficiency gearhead incl. screw Weight 1 Average backlash no load Mechanical positioning accuracy 1 Mass inertia gearhead incl. screw 1 Gearhead length L1

N N

3 1 14

7 2 22 34 6.9 2.0

4 7 8 9

5

% 38

25 8.7 2.8

g

6.3 1.8

°

23 10 11

mm 0.087 0.087 0.087 0.087 0.088

0.005 0.004 0.004 0.004 0.004

gcm 2 mm

7.0

9.6

12.2

14.8

17.4

1 based on screw length 56 mm

overall length

overall length

overall length

Modular system + Motor

+ Sensor/Brake Page

Overall length [mm] = Motor length + gearhead length + (sensor / brake) + assembly parts

Page

RE 8, 0.5 W, A 130 RE 8, 0.5 W, B 130

23.7 26.7 30.3 31.9

26.3 29.3 32.9 34.5

28.9 31.9 35.5 37.1

31.5 34.5 38.1 39.7

34.1 37.1 40.7 42.3

RE 8, 0.5 W, A

130 ENX 8 IMR

499 534

RE 8, 0.5 W, A 130 Enc 8 OPT overall length length L1

length L1

468 maxon screw drive 

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