Plastic spur gear with module 2, 20 teeth, 20° pressure angle, and standard full-depth teeth, made of MC901 nylon with a tooth hardness of 115-120 HRR. The gear has a bore diameter of 20 mm and a keyway of 6 mm width × 2.8 mm depth, conforming to JIS B1301 Js9 tolerance. It has a pitch diameter of 40 mm, outside diameter of 44 mm, face width of 20 mm, and an allowable torque of 0.52 N·m (0.053 kgf·m). Backlash is specified as 0-0.46 mm. The precision grade is JIS grade N9 (JIS B1702-1: 1998). This is a variant of the KPSA2-85 series designed for mounting with a steel hub or press fit under light loads.
Module 2, 85 Tooth Nylon Hubless Spur Gear with 20mm 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 | KPSA2-85J20 | KPSA2-85J20 |
| Product Name | Plastic Spur Gears (metric) | Module 2, 85 Tooth Nylon Hubless Spur Gear with 20mm Finished Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 85 | 85 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Nylon | Nylon; Nylon / No Insert |
