KNSU3-28 is a plastic spur gear with a steel core, module 3, 28 teeth, and a 50 mm bore diameter. It has a pitch diameter of 84 mm, an outside diameter of 90 mm, a face width of 30 mm, and a total length of 50 mm. The gear is made of MC602ST nylon fused to an S45C steel core using a diamond knurling process for high holding strength. It meets JIS grade N9 precision (JIS B1702-1:1998) and has a pressure angle of 20°. The allowable torque is 30.5 N·m (3.11 kgf·m) with a backlash of 0-0.54 mm. The weight is 0.79 kg.
Module 3, 28 Tooth Nylon Steel Core Spur Gear with Finished 19mm 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 | KNSU3-28J19 | KNSU3-28J19 |
| Product Name | Plastic Spur Gears (metric) | Module 3, 28 Tooth Nylon Steel Core Spur Gear with Finished 19mm Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 28 | 28 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Nylon | Nylon; Nylon / Steel Core |