Plastic spur gear with steel core, module 2.5, 28 teeth, 12mm bore, 70mm pitch diameter, 75mm outside diameter, 25mm face width, and 40mm hub width. Precision grade JIS N9 (JIS B1702-1:1998), 20° pressure angle, standard full-depth teeth. Material is MC602ST nylon bonded to an S45C steel core using a knurled surface and molding process. Allowable torque is 17.7 N·m (1.80 kgf·m), with backlash ranging from 0 to 0.44 mm. Total length is 40 mm, weight is 0.44 kg. Designed for wide temperature range and dimensional stability under thermal variation.
Module 2.5, 28 Tooth Nylon Steel Core Spur Gear with Finished 12mm 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 | KNSU2.5-28J12 | KNSU2.5-28J12 |
| Product Name | Plastic Spur Gears (metric) | Module 2.5, 28 Tooth Nylon Steel Core Spur Gear with Finished 12mm Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 28 | 28 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Nylon | Nylon; Nylon / Steel Core |
