KPSA2-45J40 is a plastic spur gear in the KPSA series with a module of 2, 40 teeth, and a 12 mm keyway of 3.3 mm depth. It is machined from MC901 nylon with a pressure angle of 20° and precision grade JIS B1702-1:1998 N9. The pitch diameter is 80 mm, outside diameter is 84 mm, face width is 20 mm, and the weight is 0.12 kg. The allowable torque is 13.7 N·m (1.40 kgf·m) with a theoretical backlash of 0-0.44 mm. The gear is designed for attachment to shafts via a steel hub, especially under high temperature, large diameter, or impact loading conditions. Keyways conform to JIS B1301, Js9 tolerance.
Module 2, 45 Tooth Nylon Hubless Spur Gear with 40mm 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 | KPSA2-45J40 | KPSA2-45J40 |
| Product Name | Plastic Spur Gears (metric) | Module 2, 45 Tooth Nylon Hubless Spur Gear with 40mm Finished Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 45 | 45 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Nylon | Nylon; Nylon / No Insert |
