Plastic spur gear with steel core, module 3, 68 teeth, featuring a 70 mm bore, 204 mm pitch diameter, 210 mm outside diameter, 30 mm face width, and 165 mm total length. Rated for an allowable torque of 90.6 N·m (9.23 kgf·m) with JIS grade N9 precision and a 20° pressure angle. Constructed from MC602ST nylon fused to an S45C steel core using a diamond-knurled surface process for enhanced holding strength. Operates across a wide temperature range with good dimensional stability. Backlash is specified as 0~0.56 mm.
Module 3, 68 Tooth Nylon Steel Core Spur Gear with Finished 25mm 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 | KNSU3-68J25 | KNSU3-68J25 |
| Product Name | Plastic Spur Gears (metric) | Module 3, 68 Tooth Nylon Steel Core Spur Gear with Finished 25mm Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 68 | 68 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Nylon | Nylon; Nylon / Steel Core |
