The KNSU2.5-45 is a plastic spur gear with a steel core, module 2.5, 45 teeth, 20° pressure angle, and JIS grade N9 precision. It has a pitch diameter of 112.5 mm, an outside diameter of 117.5 mm, a face width of 25 mm, and a hub bore diameter of 65 mm. The total length is 75 mm, with a hub width of 15 mm. The allowable torque is 32.1 N·m (3.28 kgf·m), and the backlash is 0-0.48 mm. The gear is molded from MC602ST nylon fused to an S45C steel core using a knurled surface process for mechanical bonding. It operates reliably across a wide temperature range and maintains dimensional stability under thermal variation.
Module 2.5, 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 | KNSU2.5-45J20 | KNSU2.5-45J20 |
| Product Name | Plastic Spur Gears (metric) | Module 2.5, 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 |
