KPS2.5-28J30 is a metric plastic spur gear with a module of 2.5, 28 teeth, and a 30 mm bore. It features a 10 mm wide by 3.3 mm deep keyway and an M8 set screw. The pitch diameter is 70 mm, the outside diameter is 75 mm, the face width is 25 mm, the hub width is 6 mm, and the total length is 37 mm. Made from MC901 nylon, it meets JIS grade N9 precision (equivalent to S1). The allowable torque is 0.12 N·m, and the backlash is 0 to 0.46 mm. Keyways conform to JIS B1301 with Js9 tolerance. The gear is intended for use with steel mating gears to prevent heat buildup from friction.
Module 2.5, 28 Tooth Nylon Spur Gear with Hub and 30mm 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 | KPS2.5-28J30 | KPS2.5-28J30 |
| Product Name | Plastic Spur Gears (metric) | Module 2.5, 28 Tooth Nylon Spur Gear with Hub and 30mm 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 |
