Bellpony Gear Box PA Series Single-stage Worm Gear Speed Reducers Catalog Specification and Application The PA series is widely used as a universal unit. The worm and wheel are constantly immersed in lubricating oil, making it especially suitable for low speed operation. Type PA 9 ~ 60 kW 0.11 ~ 53.89 kw RPM 600 ~ 1800 rpm Ratio Type Input Shaft Output Shaft 10 ~ 60 [mm] [mm] PA 9 12 14 Output Torque PA 12 12 17 1.94 ~ 673 kg-m PA 15 15 22 PA 18 18 28 PA 22 22 32 PA 25 25 38 PA 30 30 45 PA 35 35 55 PA 40 40 60 PA 45 45 65 PA 50 50 75 PA 60 60 80