Plastic spur gear with a steel core, module 3, 28 teeth, 50 mm bore diameter, 84 mm pitch diameter, 90 mm outside diameter, 30 mm face width, and 17 mm hub width. The gear is made of MC602ST nylon fused to an S45C steel core using a diamond-knurled surface process, with JIS grade N9 precision and a 20° pressure angle. Allowable torque is 30.5 N·m (3.11 kgf·m), and backlash is 0-0.54 mm. The total length is 47 mm and weight is 0.79 kg. The design ensures dimensional stability across a wide temperature range and eliminates the need for mechanical fasteners.
Module 3, 28 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 | KNSU3-28J20 | KNSU3-28J20 |
| Product Name | Plastic Spur Gears (metric) | Module 3, 28 Tooth Nylon Steel Core Spur Gear with Finished 20mm Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 28 | 28 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Nylon | Nylon; Nylon / Steel Core |
