Plastic spur gears with a steel core, module 2.5, 48 teeth, featuring a 70 mm bore, 120 mm pitch diameter, 125 mm outside diameter, 25 mm face width, and 85 mm total length. 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) with a 20° pressure angle, standard full-depth teeth, and an allowable torque of 34.8 N·m. Backlash is specified as 0~0.48 mm, and weight is 1.62 kg. Dimensional stability is maintained across temperature variations due to full-surface nylon fusion to the core.
Module 2.5, 48 Tooth Nylon Steel Core Spur Gear with Finished 15mm 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 | KNSU2.5-48J15 | KNSU2.5-48J15 |
| Product Name | Plastic Spur Gears (metric) | Module 2.5, 48 Tooth Nylon Steel Core Spur Gear with Finished 15mm Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 48 | 48 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Nylon | Nylon; Nylon / Steel Core |