KPS3-28J25 is a plastic spur gear with module 3, 28 teeth, and a 25 mm pitch diameter, featuring a hub with a 6 mm wide by 2.8 mm deep keyway and an M5* set screw. The gear is made of MC901 nylon, has a 20° pressure angle, and meets JIS grade N9 precision (equivalent to S1). The face width is 30 mm, hub width is 15 mm, and total length is 45 mm. Allowable torque is 0.23 N·m (0.023 kgf·m), and backlash is 0~0.54 mm. It includes a set screw and complies with JIS B1301 for keyway dimensions.
Module 3, 28 Tooth Nylon Spur Gear with Hub and 25mm 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 | KPS3-28J25 | KPS3-28J25 |
| Product Name | Plastic Spur Gears (metric) | Module 3, 28 Tooth Nylon Spur Gear with Hub and 25mm 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 |
