PHKX Series Performance Overview
Gearhead Size Secondary Unit Nominal Output Torque
Nm
Torsional Backlash¹
arcmin
Input Speed Max. (Cyclic)
rpm
Input Speed Max. (Continuous)
rpm
Axial Load Max.
N
Torsional Stiffness
arcmin
PH321 KX3 45 ≤6 6000 3500 1650 ≤7.8
PH322 KX3 45 ≤4.5 6000 3500 1650 ≤10
PH421 KX4 90 ≤5.5 4500 3000 2150 ≤19
PH422 KX3 90 ≤3.5 6000 3500 2150 ≤26
PH521 KX5 220 ≤5.5 4500 3000 4150 ≤47
PH522 KX4 220 ≤3.5 4500 3000 4150 ≤65
PH721 KX7 440 ≤5 3500 2100 6150 ≤119
PH722 KX5 440 ≤3.5 4000 3000 6150 ≤140
PH821 KX8 1000 ≤5 3000 1300 10,050 ≤283
PH822 KX7 1250 ≤3.5 3500 2100 10,050 ≤385
PH932 KX8 3000 ≤4 3000 1300 33,000 ≤1051
PH1032 KX8 5000 ≤3.5 3000 1300 50,000 ≤1589
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