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- 20 Diametral Pitch
- 81 Teeth
- 14.5 ° Pressure Angle
- 4.050" Pitch Diameter
- 5/8" Nominal Bore
| Keyway | w/Double Keyway Only |
| Set Screw | None |
| Material | Cast Iron |
| Torque at 600 RPM | 80.7 lb/in |
| Length Through Bore | 1 in |
| Outside Dia. | 4.15 in |
| Hub Dia. | 1.69 in |
| Pressure Angle | 14.5 ° |
| Diametral Pitch | 20 |
| Torque at 300 RPM | 108 lb/in |
| Bushing Series | None |
| Torque at 1200 RPM | 53.4 lb/in |
| Torque at 900 RPM | 64.3 lb/in |
| Torque at 200 RPM | 123 lb/in |
| Hardened Teeth | Without Hardened Teeth |
| Pitch Diameter | 4.05 in |
| Bore Size | 0.625 in |
| Torque at 1800 RPM | N/A |
| No. of Teeth | 81 |
| Weight | 0.901 LB |
| EAN or UPC | 781711108628 |
