KNSU3-68 is a plastic spur gear with a steel core, module 3, 68 teeth, and a bore diameter of 70 mm. The gear has a pitch diameter of 204 mm, outside diameter of 210 mm, face width of 30 mm, and total length of 165 mm. It is rated for an allowable torque of 90.6 N·m (9.23 kgf·m) and machined to JIS grade N9 (JIS B1702-1: 1998) precision. The material is MC602ST nylon fused to an S45C steel core using a diamond knurling process for enhanced holding strength. It features a backlash range of 0~0.56 mm and is designed for operation across a wide temperature range with dimensional stability.
Module 3, 68 Tooth Nylon Steel Core Spur Gear with Finished 28mm 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 | KNSU3-68J28 | KNSU3-68J28 |
| Product Name | Plastic Spur Gears (metric) | Module 3, 68 Tooth Nylon Steel Core Spur Gear with Finished 28mm Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 68 | 68 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Nylon | Nylon; Nylon / Steel Core |
