Plastic spur gears with a steel core, module 2.5, 45 teeth, featuring a 25 mm bore, 112.5 mm pitch diameter, 117.5 mm outside diameter, 25 mm face width, and 40 mm total length. Made of MC602ST nylon with an S45C steel core, precision grade JIS N9, with a 20° pressure angle and standard full-depth teeth. Allowable torque is 32.1 N·m (3.28 kgf·m), with backlash of 0~0.48 mm. The gear employs a diamond-knurled core for superior nylon bonding, ensuring dimensional stability and high holding strength across temperature ranges. Weight is 0.91 kg.
Module 2.5, 45 Tooth Nylon Steel Core Spur Gear with Finished 25mm 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 | KNSU2.5-45J25 | KNSU2.5-45J25 |
| Product Name | Plastic Spur Gears (metric) | Module 2.5, 45 Tooth Nylon Steel Core Spur Gear with Finished 25mm Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 45 | 45 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Nylon | Nylon; Nylon / Steel Core |