Plastic spur gears with a steel core, module 2.5, 28 teeth, featuring a 40 mm bore, 70 mm pitch diameter, 75 mm outside diameter, 25 mm face width, and 40 mm total length. The gear uses MC602ST nylon fused to an S45C steel core via a diamond-knurled bonding process, with a 20° pressure angle and JIS grade N9 precision. Allowable torque is 17.7 N·m (1.80 kgf·m) with backlash ranging from 0 to 0.44 mm. It operates reliably at temperatures up to 140°C and exhibits minimal dimensional change under thermal variation.
Module 2.5, 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 | KNSU2.5-28J19 | KNSU2.5-28J19 |
| Product Name | Plastic Spur Gears (metric) | Module 2.5, 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 |
