Plastic spur gears in the KPSA series are made of MC901 nylon with a module of 2, 20° pressure angle, and JIS grade N9 precision. The KPSA2-55J45 variant has 45 teeth, a 14 mm wide by 3.8 mm deep keyway per JIS B1301 Js9 tolerance, a pitch diameter of 90 mm, an outside diameter of 94 mm, a face width of 20 mm, and an allowable torque of 0.18 N·m (0.018 kgf·m). Backlash is specified as 0 to 0.46 mm. The gear is hubless and intended for use with steel mating gears under light loads, with dimensional stability affected by temperature and humidity. A steel hub can be added for improved shaft attachment under high torque or thermal stress.
Module 2, 55 Tooth Nylon Hubless Spur Gear with 45mm Finished Bore
Our plastic spur gears are available in a variety of materials, including:
With a variety of fastening styles, including:
You May Also Need:
Shafts
Bearings
Couplings
For custom components or modifications to a standard part, call us or submit an RFQ.
Request for Quote
Design of Plastic Gears and General Considerations of Plastic Gearing
How to Achieve Optimum Performance in a Miniature Gear Train
| QTC METRIC GEARS | Stock Drive Products & Sterling Instrument - SDP/SI | |
|---|---|---|
| Product Category | Gears | Gears |
| Product Number | KPSA2-55J45 | KPSA2-55J45 |
| Product Name | Plastic Spur Gears (metric) | Module 2, 55 Tooth Nylon Hubless Spur Gear with 45mm Finished Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 55 | 55 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Nylon | Nylon; Nylon / No Insert |
