PA 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 1 2 1 2 1 2 1 2 1 2 1 2
PA32 45 ≤2 ≤3 8000 1400 2750 ≤5
PA42 85 ≤2 ≤3 7000 8000 2250 4500 ≤11
PA52 210 ≤1 ≤2 6500 7000 3500 7000 ≤33
PA72 440 ≤1 ≤2 6000 6500 4500 9000 ≤55
PA82 1000 ≤1 ≤2 4500 6000 7500 15,000 ≤176
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