KNSU2.5-18 is a plastic spur gear with a steel core, module 2.5, 18 teeth, and a plain bore. It has a pitch diameter of 45 mm, outside diameter of 50 mm, face width of 25 mm, and total length of 40 mm. The gear is made of MC602ST nylon fused to an S45C steel core using a diamond knurling process for enhanced bonding. Precision meets JIS grade N9 (JIS B1702-1: 1998). The allowable torque is 9.93 N·m (1.01 kgf·m), with a backlash range of 0~0.44 mm. The part is designed for use in applications requiring dimensional stability across temperatures up to 140°C and features a clean, bolt-free appearance.
Module 2.5, 18 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 | KNSU2.5-18 | KNSU2.5-18 |
| Product Name | Plastic Spur Gears (metric) | Module 2.5, 18 Tooth Nylon Steel Core Spur Gear with Plain Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 18 | 18 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Nylon | Nylon; Nylon / Steel Core |
