KPSA2-70J17 is a plastic spur gear with module 2, 17 teeth, and a bore of 17 mm, designed for use with shafts via keyway fitting. The gear is made of MC901 nylon, has a 20° pressure angle, and features a standard full-depth tooth profile. It adheres to JIS grade N9 precision (JIS B1702-1:1998). The keyway is 5 mm wide by 2.3 mm deep, conforming to JIS B1301 Js9 tolerance. The allowable torque is 0.36 N·m (0.036 kgf·m), and theoretical backlash is 0~0.46 mm. The gear is hubless and intended for light-load applications; it requires a steel hub for secure mounting under higher loads or reverse motion. Dimensional stability is affected by temperature and humidity due to the MC nylon material.
Module 2, 70 Tooth Nylon Hubless Spur Gear with 17mm 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 | KPSA2-70J17 | KPSA2-70J17 |
| Product Name | Plastic Spur Gears (metric) | Module 2, 70 Tooth Nylon Hubless Spur Gear with 17mm Finished Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 70 | 70 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Nylon | Nylon; Nylon / No Insert |
