The KPSA2.5-55J25 is a plastic spur gear with a module of 2.5, 25 teeth, and a 25 mm face width. It has a keyway of 8 mm width by 3.3 mm depth, a pitch diameter of 62.5 mm, an outside diameter of 67.5 mm, and an allowable torque of 0.42 N·m (0.043 kgf·m). The backlash is 0 to 0.48 mm, and the weight is 0.50 kg. The gear is made of MC901 nylon, meets JIS grade N9 precision (JIS B1702-1:1998), and has a 20° pressure angle with standard full-depth teeth. A steel hub is required for secure shaft mounting under load conditions involving high temperature, large diameter, or impact. Keyways conform to JIS B1301, Js9 tolerance.
Module 2.5, 55 Tooth Nylon Hubless Spur Gear with 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 | KPSA2.5-55J25 | KPSA2.5-55J25 |
| Product Name | Plastic Spur Gears (metric) | Module 2.5, 55 Tooth Nylon Hubless Spur Gear with 25mm Finished Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 55 | 55 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Nylon | Nylon; Nylon / No Insert |
