PH Series Performance Overview
Gearhead Size Nominal Output Torque
Nm		 Torsional Backlash¹
arcmin		 Input Speed Max. (Cyclic)
rpm		 Input Speed Max. (Continuous) with ServoCool
rpm		 Axial Load Max.
N		 Torsional Stiffness
arcmin
Stage 1 2 1 2 1 2 1 2 1 2 1 2
PH32 45 ≤3 6000 8000 - 1650 ≤12
PH42 90 ≤3 6000 8000 4500 - 2150 ≤33
PH52 220 ≤3 6000 7000 4500 5000 4150 ≤80
PH72 440 ≤3 5000 6500 4000 4700 6150 ≤155
PH82 1250 ≤3 4000 6000 3700 4300 10,050 ≤424
Stage 2 3 2 3 2 3 2 3 2 3 2 3
PH92 3000 ≤3 4500 4000 3200 33,000 ≤1240
PH102 5000 ≤3 4500 4000 3000 50,000 ≤1778
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)  3 Stage PHV series (size 9-10 only)