Plastic spur gear with steel core, module 3, 40 teeth, 70 mm outside diameter, 30 mm bore, 30 mm face width, and 85 mm total length. Made of MC602ST nylon with an S45C steel core, it has a 20° pressure angle, JIS grade N9 precision, and an allowable torque of 48.0 N·m (4.90 kgf·m). The gear uses diamond knurling and molding for core bonding, ensuring dimensional stability and high holding strength. Backlash is 0~0.56 mm.
Module 3, 40 Tooth Nylon Steel Core Spur Gear with Finished 30mm 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.
Request for Quote
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 | KNSU3-40J30 | KNSU3-40J30 |
| Product Name | Plastic Spur Gears (metric) | Module 3, 40 Tooth Nylon Steel Core Spur Gear with Finished 30mm Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 40 | 40 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Nylon | Nylon; Nylon / Steel Core |
