PKX Series

The PKX Series ServoFit Precision Planetary Gearhead provides all the great features of the P Series with the compact design of a low ratio right angle. The PKX Series allows you to choose the bearing that fits your application needs and can be attached to almost any servo motor.

Type Ratio Max. perm. acceleration torque [Nm] Weight [kg] Max. perm. input speed in cyclic operation [1/min] Backlash [arcmin] Torsional stiffness [Nm/arcmin]
P221_KX3_ 4 – 30 18 – 22 3.3 4500 – 6000 7 – 8.5 1.5 – 1.7
P222_KX3_ 32 – 300 18 – 22 3.9 4500 – 6000 8 – 8.5 1.6 – 1.8
P321_KX3_ 3 – 30 38 – 63 4 4500 – 6000 5 – 7.5 2.5 – 3.7
P322_KX3_ 32 – 300 50 – 65 4.6 4500 – 6000 5 – 5.5 3.9 – 4.5
P421_KX4_ 3 – 30 73 – 120 6.8 4000 – 5500 5 – 7.5 5.2 – 8.4
P422_KX3_ 32 – 300 100 – 120 7 4500 – 6000 5 – 5.5 8.8 – 10
P521_KX5_ 3 – 30 183 – 300 13 3500 – 5000 4 – 6.5 14 – 23
P522_KX4_ 32 – 300 250 – 300 11 4000 – 5500 4 – 4.5 24 – 27
P721_KX7_ 3 – 30 364 – 650 23 3000 – 4000 4 – 6.5 37 – 49
P722_KX5_ 32 – 300 500 – 700 21 3500 – 5000 4 – 4.5 48 – 52
P821_KX8_ 3 – 30 800 – 1400 47 2000 – 3000 4 – 6.5 84 – 142
P822_KX7_ 32 – 300 1200 – 1600 43 3000 – 4000 4 – 4.5 148 – 168
P922_KX8_ 32 – 300 2000 – 3000 82 2000 – 3000 4 – 4.5 255 – 327