PK Series

Ideal for applications where space is tight, the PK Series Precision Planetary Gearhead provides a compact, precise solution that can handle higher input speeds. The PK Series is quiet running and offer a wide range of ratios to choose from for your application. It 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]
P521_K1_ 12 – 280 161 – 300 18 – 19 4500 – 6000 4 – 5 18 – 26
P721_K1_ 28 – 561 377 – 650 22 – 23 4500 – 6000 3.5 – 4 43 – 47
P721_K2_ 12 – 278 135 – 700 29 – 34 4000 – 5500 4 – 4.5 26 – 47
P821_K2_ 28 – 555 316 – 1400 42 – 47 4000 – 5500 3.5 101 – 134
P821_K3_ 12 – 279 497 – 1600 47 – 52 3800 – 5000 4 – 4.5 44 – 132
P921_K4_ 28 – 485 1947 – 2700 84 – 93 3500 – 5000 3.5 201 – 271