C Series Performance Overview
Gearhead Size Nominal Output Torque
Nm
Torsional Backlash¹
arcmin
Input Speed Max. (Cyclic)
rpm
Axial Load Max.
N
Radial Load Max.²
N
Torsional Stiffness
arcmin
Stage 2 3 2 3 2 3 2 3 2 3 2 3
C0 60³ ≤20³ 6000³ 500³ 1900³ ≤1.6³
C1 120 ≤18 ≤14 6000 850 3400 ≤3.9
C2 200 ≤14 6000 1050 4200 ≤8.3
C3 350 ≤14 5000 5500 1400 5650 ≤8.7
C4 550 ≤14 5000 2400 9700 ≤21.7 ≤21.8
C5 800 ≤14 4500 3000 11,000 ≤22.6 ≤22.7
C6 1450 ≤14 4000 4000 16,000 ≤73.6 ≤74.1
C7 2400 ≤14 3600 5500 22,000 ≤121.5 ≤122
C8 4200 ≤14 3400 7500 30,000 ≤202.3 ≤203.2
C9 6300 6000 ≤14 3000 3200 9500 37,000 ≤387.9 ≤391.1
Notes
1)  Tested at 1.5% of nominal torque and recorded on the output side of the gearhead. For lower backlash, contact STOBER technical support.
2)  Rating based on output speed (n2) of 20 RPM.
3)  Two stage

Output Shaft Load

radial axial