P Series

Ideal for servo applications, the P Series Inline ServoFit® Precision Gearhead feature planetary gearing and bearing options to make them the most accurate and efficient planetary gearheads available. Our gear technology provides minimum wear, low noise, and backlash of ≤3 arcmin. The P Series speed reducer 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 4 – 10 18 – 22 1.1 – 1.6 8000 6 1.6 – 1.9
P222 16 – 100 18 – 22 1.7 – 2.2 8000 8 1.6 – 1.8
P321 3 – 10 50 – 65 2.3 – 2.9 6000 – 8000 4 4 – 5.7
P322 12 – 100 50 – 65 2.4 – 2.9 8000 5 3.9 – 4.6
P421 3 – 10 100 – 120 4 – 4.7 5500 – 7000 4 9 – 13
P422 12 – 100 100 – 120 5.3 – 5.9 6500 – 8000 5 8.8 – 11
P521 3 – 10 200 – 300 6.5 – 8.2 4500 – 6500 3 25 – 36
P522 12 – 100 200 – 300 8.5 – 9.2 6000 – 7000 4 24 – 28
P721 3 – 10 431 – 700 12 – 16 3700 – 6000 3 50 – 65
P722 12 – 100 500 – 700 15 – 17 5000 – 6500 4 49 – 54
P821 3 – 10 964 – 1600 26 – 31 3000 – 4500 3 153 – 220
P822 12 – 100 1200 – 1600 32 – 36 4500 – 6000 4 148 – 172
P921 4 – 10 2000 – 3000 50 3000 – 4000 3 260 – 380
P922 16 – 100 2000 – 3000 61 – 65 3500 – 4500 4 256 – 341