KPSA2.5-48J28 is a plastic spur gear in the KPSA series with a module of 2.5, 28 teeth, a pitch diameter of 70 mm, an outside diameter of 75 mm, a face width of 25 mm, and a keyway size of 8 mm width by 3.3 mm depth. It is made of MC901 nylon with a tooth hardness of 115-120 HRR and meets JIS grade N9 precision standards. The allowable torque is 0.27 N·m, and the theoretical backlash is 0-0.48 mm. The gear requires a steel hub for secure shaft attachment under high temperature, large diameter, or impact conditions, and is compatible with stainless steel hubs and fusion bonding methods. The keyway conforms to JIS B1301, Js 9 tolerance.
Module 2.5, 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 | KPSA2.5-48J28 | KPSA2.5-48J28 |
| Product Name | Plastic Spur Gears (metric) | Module 2.5, 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 |
