KPSA3-48J20 is a plastic spur gear made of MC901 nylon with a module of 3, 20 teeth, and a 20 mm bore diameter. It features a 6 x 2.8 mm keyway machined to JIS B1301 Js9 tolerance, a 20° pressure angle, and a pitch diameter of 60 mm. The outside diameter is 66 mm, and the face width is 30 mm. The gear meets JIS grade N9 precision (JIS B1702-1:1998), has an allowable torque of 0.61 N·m, and a maximum allowable radial load of 5.12 kgf. Dimensional stability is affected by temperature and humidity, and it is recommended for use with steel mating gears.
Module 3, 48 Tooth Nylon Hubless Spur Gear with 20mm 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 | KPSA3-48J20 | KPSA3-48J20 |
| Product Name | Plastic Spur Gears (metric) | Module 3, 48 Tooth Nylon Hubless Spur Gear with 20mm Finished Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 48 | 48 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Nylon | Nylon; Nylon / No Insert |