Plastic spur gears 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 50 mm hub width. Precision is JIS grade N9 (JIS B1702-1: 1998) and JIS grade 5 (JIS B1702: 1976), with a 20° pressure angle and standard full-depth teeth. The gear is made of MC602ST nylon fused to an S45C steel core using a diamond-knurled surface process. Allowable torque is 30.5 N·m (3.11 kgf·m) and backlash is 0~0.54 mm. The design provides dimensional stability across wide temperature ranges with no need for additional fasteners.
Module 3, 28 Tooth Nylon Steel Core Spur Gear with Finished 28mm 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 | KNSU3-28J28 | KNSU3-28J28 |
| Product Name | Plastic Spur Gears (metric) | Module 3, 28 Tooth Nylon Steel Core Spur Gear with Finished 28mm Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 28 | 28 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Nylon | Nylon; Nylon / Steel Core |
