KPSA2.5-55J19 is a plastic spur gear with module 2.5, 19 teeth, a 5 mm wide by 2.3 mm deep keyway, and a 19 mm bore. It is made of MC901 nylon with a tooth hardness of 115~120 HRR, conforms to JIS B1702-1:1998 grade N9 precision, and has a 20° pressure angle. The allowable torque is 0.43 N·m (0.043 kgf·m), with a backlash range of 0~0.48 mm and a weight of 0.42 kg. The gear is designed for use with steel hubs for secure shaft mounting under light loads, high temperatures, or reverse impact conditions.
Module 2.5, 55 Tooth Nylon Hubless Spur Gear with 19mm 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.
Request for Quote
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 | KPSA2.5-55J19 | KPSA2.5-55J19 |
| Product Name | Plastic Spur Gears (metric) | Module 2.5, 55 Tooth Nylon Hubless Spur Gear with 19mm 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 |