Plastic spur gears with a steel core, module 3, 18 teeth, 30 mm bore, 54 mm pitch diameter, 60 mm outside diameter, 30 mm face width, 17 mm hub width, 47 mm total length, allowing 17.2 N·m bending torque and 1.75 kgf·m rated torque, with JIS grade N9 precision and 20° pressure angle. The gear is made of MC602ST nylon fused to an S45C steel core via a diamond-knurled bond, ensuring dimensional stability and high-temperature capability up to 140°C. Backlash is 0~0.54 mm. The hub diameter matches the bore, with no effect on strength.
Module 3, 18 Tooth Nylon Steel Core Spur Gear with Finished 15mm 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 | KNSU3-18J15 | KNSU3-18J15 |
| Product Name | Plastic Spur Gears (metric) | Module 3, 18 Tooth Nylon Steel Core Spur Gear with Finished 15mm Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 18 | 18 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Nylon | Nylon; Nylon / Steel Core |
