KPSA3-48J28 is a metric plastic spur gear with 28 teeth, module 3, and a 28 mm bore, made of MC901 nylon. It has a pitch diameter of 84 mm, outside diameter of 90 mm, face width of 30 mm, and a keyway of 8 mm width by 3.3 mm depth conforming to JIS B1301 Js9 tolerance. The gear is rated for an allowable torque of 50.2 N·mm and a maximum allowable torque of 5.12 kgf·mm. It follows JIS grade N9 precision (JIS B1702-1:1998) and has a 20° pressure angle with standard full-depth teeth.
Module 3, 48 Tooth Nylon Hubless Spur Gear with 28mm 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 | KPSA3-48J28 | KPSA3-48J28 |
| Product Name | Plastic Spur Gears (metric) | Module 3, 48 Tooth Nylon Hubless Spur Gear with 28mm 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 |