KNSU2.5-40 is a plastic spur gear with a steel core, module 2.5, 40 teeth, and a 65 mm bore diameter. It has a pitch diameter of 100 mm, outside diameter of 105 mm, face width of 25 mm, and total length of 70 mm. The gear is made of MC602ST nylon with an S45C steel core, featuring JIS grade N9 precision and a 20° pressure angle. The allowable torque is 27.8 N·m (2.83 kgf·m), and backlash ranges from 0 to 0.46 mm. The gear employs a knurled core surface for enhanced bonding, ensuring dimensional stability and high holding strength across temperature ranges. Weight is 1.21 kg.
Module 2.5, 40 Tooth Nylon Steel Core Spur Gear with Finished 20mm 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 | KNSU2.5-40J20 | KNSU2.5-40J20 |
| Product Name | Plastic Spur Gears (metric) | Module 2.5, 40 Tooth Nylon Steel Core Spur Gear with Finished 20mm Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 40 | 40 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Nylon | Nylon; Nylon / Steel Core |
