KPS3-28J28 is a plastic spur gear in the KPS series with a module of 3, 28 teeth, and a pitch diameter of 84 mm. It features a hub with a bore diameter of 30 mm, a face width of 7.5 mm, and a keyway of 8 mm width by 3.3 mm depth. The gear is made of MC901 nylon with a tooth hardness of 115~120 HRR, meets JIS grade N9 precision (equivalent to S1), and has a standard full-depth tooth profile with a 20° pressure angle. It includes a set screw (M6) and is rated for an allowable torque of 0.22 N·m (0.022 kgf·m). The total length is 45 mm, and the backlash is 0~0.54 mm.
Module 3, 28 Tooth Nylon Spur Gear with Hub and 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 | KPS3-28J28 | KPS3-28J28 |
| Product Name | Plastic Spur Gears (metric) | Module 3, 28 Tooth Nylon Spur Gear with Hub and 28mm Finished Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 28 | 28 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Nylon | Nylon; Nylon / No Insert |
