KPSA2.5-60J28 is a plastic spur gear with a module of 2.5, 60 teeth, and a bore diameter of 28 mm. It is made of MC901 nylon, features a standard full-depth tooth profile with a 20° pressure angle, and meets JIS grade N9 precision (JIS B1702-1: 1998). The gear has a face width of 25 mm, a keyway of 8 mm width by 3.3 mm depth conforming to JIS B1301 Js9 tolerance, and a maximum allowable torque of 50 N·m (5.1 kgf·m). Backlash is specified as 0~0.48 mm. The part requires a steel hub for secure shaft attachment under high temperature, high torque, or reversing load conditions. Dimensional changes may occur due to moisture or temperature variations.
Module 2.5, 60 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 | KPSA2.5-60J28 | KPSA2.5-60J28 |
| Product Name | Plastic Spur Gears (metric) | Module 2.5, 60 Tooth Nylon Hubless Spur Gear with 28mm Finished Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 60 | 60 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Nylon | Nylon; Nylon / No Insert |