KPSA3-55J25 is a plastic spur gear in the KPSA series with a module of 3, 25 teeth, and a finished bore of 8 mm, designed for use with steel hubs or keyways. It features a pressure angle of 20°, standard full-depth teeth, and is made of MC901 nylon with a tooth hardness of 115-120 HRR. The gear meets JIS grade N9 precision (JIS B1702-1:1998) and has a keyway sized 8 mm wide by 3.3 mm deep per JIS B1301 Js9 tolerance. Allowable torque is 0.61 N·m, and the gear has a face width of 30 mm, an outside diameter of 165 mm, and a pitch diameter of 75 mm. The product is available as an on-request item with a lead time of up to five working days after order placement.
Module 3, 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.
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 | KPSA3-55J25 | KPSA3-55J25 |
| Product Name | Plastic Spur Gears (metric) | Module 3, 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 |
