The KPSA2-48J40 is a plastic spur gear in the KPSA series with a module of 2, 40 teeth, and a 12 mm × 3.3 mm keyway. It is made of MC901 nylon, has a 20° pressure angle, and conforms to JIS grade N9 (JIS B1702-1:1998) precision. The gear has a pitch diameter of 80 mm, an outside diameter of 84 mm, a face width of 20 mm, and a weight of 0.14 kg. Backlash is specified as 0-0.44 mm. The gear includes a steel hub for secure shaft attachment and is rated for an allowable torque of 14.9 N·m (1.52 kgf·m). Dimensional stability is affected by temperature and humidity, and it is recommended to mate with steel gears to avoid heat buildup.
Module 2, 48 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.
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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 | KPSA2-48J40 | KPSA2-48J40 |
| Product Name | Plastic Spur Gears (metric) | Module 2, 48 Tooth Nylon Hubless Spur Gear with 40mm 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 |
