The KPSA3-45J50 is a plastic spur gear in the KPSA series, with a module of 3, 50 teeth, and a bore size of 14 mm, designed for use with steel hubs. It features a 20° pressure angle, standard full-depth teeth, and is made of MC901 nylon with a tooth hardness of 115-120 HRR. The gear has a face width of 30 mm, an outside diameter of 168 mm, and a pitch diameter of 150 mm. Keyway dimensions are 14 mm width by 3.8 mm depth, conforming to JIS B1301 Js9 tolerance. The allowable torque is 0.44 N·m. Precision conforms to JIS grade N9 (JIS B1702-1: 1998). Dimensional stability is affected by temperature and humidity. The gear requires secondary fastening methods such as steel hubs due to its plastic construction.
Module 3, 45 Tooth Nylon Hubless Spur Gear with 50mm 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.
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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 | KPSA3-45J50 | KPSA3-45J50 |
| Product Name | Plastic Spur Gears (metric) | Module 3, 45 Tooth Nylon Hubless Spur Gear with 50mm 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 |
