Plastic spur gear with steel core, module 3, 56 teeth, 70 mm outside diameter, 168 mm pitch diameter, 30 mm face width, and 60 mm hub width, featuring a 70 mm bore and 175 mm total length. Made of MC602ST nylon with S45C steel core, certified to JIS grade N9 (JIS B1702-1: 1998) and JIS grade 5 (JIS B1702: 1976), with standard full-depth teeth at 20° pressure angle. Allowable torque is 72.7 N·m (7.42 kgf·m) and backlash is 0-0.56 mm. The gear incorporates a diamond-knurled metal core for enhanced bond strength with the molded nylon, supporting dimensional stability and operation at temperatures up to 140°C.
Module 3, 56 Tooth Nylon Steel Core Spur Gear with Finished 20mm 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 | KNSU3-56J20 | KNSU3-56J20 |
| Product Name | Plastic Spur Gears (metric) | Module 3, 56 Tooth Nylon Steel Core Spur Gear with Finished 20mm Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 56 | 56 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Nylon | Nylon; Nylon / Steel Core |
