PH Series Performance Overview
Gearhead Size Nominal Output Torque
Nm
Torsional Backlash¹
arcmin
Input Speed Max. (Cyclic)
rpm
Input Speed Max. (Continuous)
rpm
Axial Load Max.
N
Torsional Stiffness
arcmin
Stage 1 2 1 2 1 2 1 2 1 2 1 2
PHQ4 120 ≤3 6000 8000 2000 4500 2150 ≤39
PHQ5 280 ≤3 5000 7000 2500 4000 4150 ≤93
PHQ7 650² ≤3² 5000² 2200² 6150² ≤208²
Stage 2 3 2 3 2 3 2 3 2 3 2 3
PHQ7 650 ≤3 6500 7000 3700 4000 6150 ≤208
PHQ8 1700 ≤3 6000 6500 3300 3700 10,050 ≤660
PHQ9 3800 ≤3 4500 6000 2800 3300 33,000 ≤1230
PHQ10 6500 ≤3 4000 4500 2500 2800 50,000 ≤2068
PHQ11 13,000 ≤3 3800 4500 2300 2800 60,000 ≤3533
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)  One Stage