Plastic spur gears with a steel core, module 2.5, featuring a 48-tooth configuration, 120 mm pitch diameter, 125 mm outside diameter, 25 mm face width, and a 65 mm hub diameter. The gear is made of MC602ST nylon fused to an S45C steel core using a diamond-knurled surface treatment for enhanced bonding. It meets JIS grade N9 precision (JIS B1702-1:1998) with a 20° pressure angle and standard full-depth teeth. The allowable torque is 34.8 N·m (3.55 kgf·m), and backlash is specified as 0~0.48 mm. The total length is 85 mm and weight is 0.91 kg. Dimensional stability and performance are maintained across wide temperature ranges due to the integrated metal core.
Module 2.5, 48 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 | KNSU2.5-48J25 | KNSU2.5-48J25 |
| Product Name | Plastic Spur Gears (metric) | Module 2.5, 48 Tooth Nylon Steel Core Spur Gear with Finished 25mm Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 48 | 48 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Nylon | Nylon; Nylon / Steel Core |
