KPSA2.5-48J18 is a plastic spur gear with a module of 2.5, 18 teeth, a 5 mm wide by 2.3 mm deep keyway, and a 18 mm bore. It is made of MC901 nylon, has a 20° pressure angle, and meets JIS grade N9 precision (equivalent to JIS B1702-1: 1998). The gear has a pitch diameter of 45 mm, an outside diameter of 50 mm, a face width of 25 mm, and an allowable torque of 0.33 N·m. Backlash is specified as 0 to 0.48 mm. The gear is designed for light-load applications and is not rated for high temperatures or reverse-impact conditions without a steel hub. Keyways are manufactured to JIS B1301, Js 9 tolerance.
Module 2.5, 48 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 | KPSA2.5-48J18 | KPSA2.5-48J18 |
| Product Name | Plastic Spur Gears (metric) | Module 2.5, 48 Tooth Nylon Hubless Spur Gear with 18mm Finished Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 48 | 48 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Nylon | Nylon; Nylon / No Insert |