KNSU3-34 is a plastic spur gear with a steel core, module 3, 34 teeth, and a bore diameter of 60 mm, designed for high-temperature operation and dimensional stability. The gear features a 30 mm face width, 102 mm pitch diameter, and 108 mm outside diameter, with a JIS grade N9 precision rating. The metal core is S45C, fused to MC602ST nylon via a diamond-knurled surface treatment to ensure strong bonding without mechanical fasteners. The allowable torque is 39.0 N·m (3.98 kgf·m), and backlash is specified as 0~0.56 mm. The total length is 47 mm, and the weight is 0.56 kg. The gear is rated for ambient temperatures up to 120°C with temperature compensation applied. The bearing hub width is 17 mm.
Module 3, 34 Tooth Nylon Steel Core Spur Gear with Finished 19mm 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 | KNSU3-34J19 | KNSU3-34J19 |
| Product Name | Plastic Spur Gears (metric) | Module 3, 34 Tooth Nylon Steel Core Spur Gear with Finished 19mm Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 34 | 34 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Nylon | Nylon; Nylon / Steel Core |