GSW 40 HP ∅ 40 mm, strain wave gearheads Zero backlash
M 1:2
Stock program Standard program Special program (on request)
Part numbers
951450 885707 50:1 100:1 6.6 11.6 10.0 14.3 20.4 32.5 3500 3500 8500 8500 72 74 240 240 30 30 42.3 42.3 2.0 1.5 0.2 0.2 2.0 2.0 0.221 0.267 0.300 0.333 0.320 0.432 0.80 0.80 2.00 2.00 20.0 15.0 1.44 1.95 40.8 55.9 90.0 90.0
Gearhead data (provisional) 1 Reduction 2 Max. continuous torque 3 Max. intermittent torque 4 Max. overload torque 5 Max. continuous input speed Max. intermittent input speed 6 Max. efficiency 7 Weight 8 Mass moment of inertia 9 Gearhead length L1 10 Mech. positioning accuracy 11 Mech. repeatability 12 Hysteresis loss 13 Torsional rigidity C1
Nm Nm Nm rpm rpm
% g
gcm2 mm
arcmin arcmin arcmin
104 Nm/rad 104 Nm/rad 104 Nm/rad
Torsional rigidity C2 Torsional rigidity C3
14 Torque M1 Torque M2
Nm Nm Nm mNm
15 Starting torque, no load 16 Backdriving torque, no load 17 Ratcheting torque 18 Buckling torque
Nm Nm
Technical data 19 Bearing at output 20 Tilting rigidity 21 Max. tilting torque 22 Max. radial load 23 Max. axial load 24 Dynamic load rating 25 Static load rating
Modular system BLDC Motors
Double-row angular ball bearing
137–138_ECX FLAT 42 3.5 Nm/arcmin 190_ECX PRIME 30 L 7.5 Nm 201–206_EC-i 40 1000 N 223–225_ECX FLAT 42 S 1100 N 226–227_ECX FLAT 42 M
5470 N 4810 N 6 mm 288_DCX 35 L 31 mm DC Motors
-40…+100 °C 26 Distance rolling bearing center to output 27 Pitch diameter 28 Ambient temperature Additional information Explanation of the line numbers and additional information on page 358.
392 maxon
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