KPS3-20J17 is a plastic spur gear with a module of 3, 20 teeth, a 17 mm bore, and a keyway sized 6 mm wide by 2.8 mm deep, compatible with an M5 set screw. It has a pitch diameter of 60 mm, an outside diameter of 66 mm, a face width of 30 mm, and a total length of 45 mm. The gear is made of MC901 nylon with a tooth hardness of 115~120 HRR, and it meets JIS grade N9 precision (JIS B1702-1:1998). The allowable torque is 7.5 N·m, with a theoretical backlash of 0.12 mm and a weight of 0.12 kg. The gear is designed for use with steel gears to avoid heat buildup from plastic-on-plastic meshing.
Module 3, 20 Tooth Nylon Spur Gear with Hub and 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 | KPS3-20J17 | KPS3-20J17 |
| Product Name | Plastic Spur Gears (metric) | Module 3, 20 Tooth Nylon Spur Gear with Hub and 17mm 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 |