KNSU3-20 plastic spur gear with steel core, 3 mm module, 20 teeth, 33 mm bore, 60 mm pitch diameter, 66 mm outside diameter, 30 mm face width, 17 mm hub width, and 47 mm total length. Made of MC602ST nylon with S45C metal core, it meets JIS grade N9 (JIS B1702-1: 1998) precision and has a 20° pressure angle. Allowable torque is 19.9 N·m (2.03 kgf·m) with backlash of 0-0.54 mm. The gear uses a diamond-knurling and grooving process to fuse nylon to the metal core, ensuring high holding strength and dimensional stability across temperature ranges up to 140°C.
Module 3, 20 Tooth Nylon Steel Core Spur Gear with Finished 16mm 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 | KNSU3-20J16 | KNSU3-20J16 |
| Product Name | Plastic Spur Gears (metric) | Module 3, 20 Tooth Nylon Steel Core Spur Gear with Finished 16mm Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 20 | 20 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Nylon | Nylon; Nylon / Steel Core |
