KPSA3-45J18 is a plastic spur gear with a module of 3, 18 teeth, and a finished bore of 18 mm, designed for light-duty mechanical transmission applications. It features a 20° pressure angle, standard full-depth teeth, and is made of MC901 nylon with a tooth hardness of 115-120 HRR. The gear has a 6 mm wide by 2.8 mm deep keyway conforming to JIS B1301 Js9 tolerance, and a pitch diameter of 54 mm, outside diameter of 60 mm, and face width of 30 mm. The allowable torque is 0.50 N·m and 0.48 kgf·m. It meets JIS grade N9 precision (JIS B1702-1:1998).
Module 3, 45 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.
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 | KPSA3-45J18 | KPSA3-45J18 |
| Product Name | Plastic Spur Gears (metric) | Module 3, 45 Tooth Nylon Hubless Spur Gear with 18mm Finished Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 45 | 45 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Nylon | Nylon; Nylon / No Insert |
