Plastic spur gears with a steel core, module 2, 68 teeth, 20° pressure angle, and JIS grade N9 precision, feature an S45C metal core fused to MC602ST nylon via diamond-knurling and grooving. The gear has a 136 mm pitch diameter, 140 mm outside diameter, 20 mm face width, 100 mm total length, and an allowable torque of 26.8 N·m (2.74 kgf·m). Backlash is 0~0.46 mm. Weight is 1.66 kg. The design operates reliably between -20°C and 120°C. The bore diameter is not specified for this variant, but the standard core outer diameter is 60 mm. JIS B1702-1: 1998 is the referenced precision standard. The part number KNSU2-68J17 is not listed; KNSU2-68 is documented, and 'J17' likely indicates a bore or finish modification not described.
Module 2, 68 Tooth Nylon Steel Core Spur Gear with Finished 17mm 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 | KNSU2-68J17 | KNSU2-68J17 |
| Product Name | Plastic Spur Gears (metric) | Module 2, 68 Tooth Nylon Steel Core Spur Gear with Finished 17mm Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 68 | 68 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Nylon | Nylon; Nylon / Steel Core |
