The KPS3-20J19 is a plastic spur gear in the KPS series, with a module of 3, 20 teeth, and a 19 mm bore. It features a hub and keyway according to JIS B1301 (6 x 2.8 mm width x depth), a tolerance of Js9, and an M5 set screw. The gear is made of MC901 nylon with a tooth hardness of 115-120 HRR, a pressure angle of 20°, and follows JIS grade N9 (JIS B1702-1:1998) precision. The pitch diameter is 60 mm, outside diameter is 66 mm, face width is 30 mm, and total length is 45 mm. It has an allowable torque of 7.5 N·m and a backlash of 0.12 mm. The data confirms its compatibility with steel mating gears and notes dimensional sensitivity to humidity and temperature.
Module 3, 20 Tooth Nylon Spur Gear with Hub and 19mm 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 | KPS3-20J19 | KPS3-20J19 |
| Product Name | Plastic Spur Gears (metric) | Module 3, 20 Tooth Nylon Spur Gear with Hub and 19mm Finished Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 20 | 20 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Nylon | Nylon; Nylon / No Insert |