Plastic spur gear with steel core, module 2.5, 45 teeth, 18 mm bore, 112.5 mm pitch diameter, 117.5 mm outside diameter, 25 mm face width, 15 mm hub width, and 40 mm total length. Made of MC602ST nylon with S45C steel core, it meets JIS grade N9 (JIS B1702-1:1998) precision standard and has a 20° pressure angle. Allowable torque is 32.1 N·m (3.28 kgf·m) with backlash ranging from 0 to 0.48 mm. The gear employs a diamond-knurled steel core for enhanced nylon adhesion, offering dimensional stability across wide temperature ranges.
Module 2.5, 45 Tooth Nylon Steel Core Spur Gear with Finished 18mm 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 | KNSU2.5-45J18 | KNSU2.5-45J18 |
| Product Name | Plastic Spur Gears (metric) | Module 2.5, 45 Tooth Nylon Steel Core Spur Gear with Finished 18mm Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 45 | 45 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Nylon | Nylon; Nylon / Steel Core |
