KPS2-28J25 is a Module 2, 25-tooth plastic spur gear made of MC901 material, with a 6x2.8mm keyway, M6 set screw, 5mm face width, and 5mm hub width. It has a bore diameter of 25mm, pitch diameter of 50mm, outside diameter of 60mm, and total length of 30mm. The gear meets JIS grade N9 precision (equivalent to S1), has a 20° pressure angle, and an allowable torque of 7.54 N·m (0.77 kgf·m). Backlash ranges from 0 to 0.44 mm. The product is part of the KPS series of plastic spur gears, which are susceptible to dimensional changes from temperature and humidity. Keyways conform to JIS B1301 Js9 tolerance, and set screws are included for tapped holes, with recommended torque under 0.38 N·m for M6.
Module 2, 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 | KPS2-28J25 | KPS2-28J25 |
| Product Name | Plastic Spur Gears (metric) | Module 2, 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 |
