Plastic spur gears with a steel core, designed for high torque and dimensional stability under temperature variations. The KNSU2 series features MC602ST nylon teeth bonded to an S45C steel core using a diamond-knurled surface for superior holding strength. The KNSU2-70 variant has a 15-module, 70-tooth configuration with a 60mm hub diameter, 140mm pitch diameter, 144mm outside diameter, 34mm total length, and 105mm hub width. It has an allowable torque of 27.7 N·m (2.82 kgf·m), JIS grade N9 precision, 20° pressure angle, and a face width of 20mm. These gears are engineered for use in high-temperature environments up to 140°C with minimal dimensional change.
Module 2, 70 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.
Request for Quote
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 | KNSU2-70J20 | KNSU2-70J20 |
| Product Name | Plastic Spur Gears (metric) | Module 2, 70 Tooth Nylon Steel Core Spur Gear with Finished 20mm Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 70 | 70 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Nylon | Nylon; Nylon / Steel Core |
