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 | 1200 – 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 |
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