Plastic spur gear with a steel core, module 2.5, 70 teeth, 175 mm pitch diameter, 180 mm outside diameter, 40 mm total length, and a 70 mm hub bore, designed for high torque transmission with JIS grade N9 precision and rated for allowable torque up to 54.1 N·m (5.51 kgf·m) at room temperature. The gear combines MC602ST nylon with an S45C metal core using a patented knurling and molding process to ensure strong bonding, dimensional stability across temperatures up to 140°C, and elimination of mechanical fasteners. Face width is 25 mm, backlash is 0 to 0.48 mm, and weight is 3.64 kg.
Module 2.5, 70 Tooth Nylon Steel Core Spur Gear with Finished 35mm 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 | KNSU2.5-70J35 | KNSU2.5-70J35 |
| Product Name | Plastic Spur Gears (metric) | Module 2.5, 70 Tooth Nylon Steel Core Spur Gear with Finished 35mm Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 70 | 70 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Nylon | Nylon; Nylon / Steel Core |
