KNSU2.5-45 is a plastic spur gear with a 2.5 module, 45 teeth, and a steel S45C core, molded with MC602 nylon using a diamond-knurled interface for high holding strength. It has a bore diameter of 65 mm, pitch diameter of 112.5 mm, outside diameter of 117.5 mm, face width of 25 mm, hub width of 15 mm, and total length of 40 mm. The gear operates with a backlash range of 0 to 0.48 mm and has an allowable torque of 32.1 N·m (3.28 kgf·m). It meets JIS grade N9 precision (JIS B1702-1:1998) and has a pressure angle of 20°. The design provides dimensional stability and thermal resistance up to 140°C.
Module 2.5, 45 Tooth Nylon Steel Core Spur Gear with Plain 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 | KNSU2.5-45 | KNSU2.5-45 |
| Product Name | Plastic Spur Gears (metric) | Module 2.5, 45 Tooth Nylon Steel Core Spur Gear with Plain Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 45 | 45 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Nylon | Nylon; Nylon / Steel Core |
