KPSA2.5-55J18 is a plastic spur gear with a module of 2.5, 55 teeth, and a 18 mm bore. It features a keyway of 6 mm width by 2.8 mm depth, conforming to JIS B1301 Js9 tolerance. The gear is made of MC901 nylon, has a pressure angle of 20°, and meets JIS grade N9 precision (JIS B1702-1:1998). The allowable torque is 0.43 N·m (0.043 kgf·m), with a theoretical backlash of 0~0.48 mm and a weight of 0.42 kg. The gear is designed for use with steel hubs for secure shaft attachment under conditions involving temperature variation, large diameter, or impact loads.
Module 2.5, 55 Tooth Nylon Hubless Spur Gear with 18mm 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 | KPSA2.5-55J18 | KPSA2.5-55J18 |
| Product Name | Plastic Spur Gears (metric) | Module 2.5, 55 Tooth Nylon Hubless Spur Gear with 18mm 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 |
