KNSU3-56 is a plastic spur gear with a steel core, module 3, 56 teeth, and a plain bore. It has a pitch diameter of 168 mm, outside diameter of 174 mm, face width of 30 mm, hub width of 17 mm, and total length of 130 mm. The gear is made of MC602ST nylon fused to an S45C steel core using a diamond-knurled and grooved surface treatment for high holding strength. It meets JIS grade N9 (JIS B1702-1: 1998) precision standards, has a 20° pressure angle, standard full-depth teeth, and an allowable torque of 72.7 N·m (7.42 kgf·m). Backlash is specified as 0~0.56 mm, and weight is 3.85 kg.
Module 3, 56 Tooth Nylon Steel Core Spur Gear with Plain 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 | KNSU3-56 | KNSU3-56 |
| Product Name | Plastic Spur Gears (metric) | Module 3, 56 Tooth Nylon Steel Core Spur Gear with Plain Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 56 | 56 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Nylon | Nylon; Nylon / Steel Core |