KNSU2-45J20 is a plastic spur gear with a steel core, part of the KNSU2 series featuring a module of 2, 45 teeth, and a 55 mm hub diameter. The gear has a 20 mm bore, 90 mm pitch diameter, 94 mm outside diameter, and 20 mm face width. It is made of MC602ST nylon fused to an S45C steel core using a diamond-knurled surface process for high holding strength. The gear meets JIS grade N9 precision (JIS B1702-1:1998) and has a 20° pressure angle. Allowable torque is 16.5 N·m (1.68 kgf·m) with a backlash of 0.44 mm maximum. The design provides good dimensional stability across temperature ranges and eliminates the need for mechanical fasteners.
Module 2, 45 Tooth Nylon Steel Core Spur Gear with Finished 20mm 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 | KNSU2-45J20 | KNSU2-45J20 |
| Product Name | Plastic Spur Gears (metric) | Module 2, 45 Tooth Nylon Steel Core Spur Gear with Finished 20mm Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 45 | 45 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Nylon | Nylon; Nylon / Steel Core |
