KNSU2.5-28 is a plastic spur gear with a steel core, featuring a module of 2.5, 28 teeth, a pitch diameter of 70 mm, an outside diameter of 75 mm, a face width of 25 mm, a bore diameter of 40 mm, and a total length of 40 mm. It has a backlash range of 0~0.44 mm and weighs 0.44 kg. The gear meets JIS grade N9 (JIS B1702-1: 1998) precision standards, has a 20° pressure angle, and uses MC602ST nylon fused to an S45C steel core via a diamond-knurled surface process for enhanced holding strength. The allowable bending torque is 17.7 N·m (1.80 kgf·m).
Module 2.5, 28 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 | KNSU2.5-28 | KNSU2.5-28 |
| Product Name | Plastic Spur Gears (metric) | Module 2.5, 28 Tooth Nylon Steel Core Spur Gear with Plain Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 28 | 28 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Nylon | Nylon; Nylon / Steel Core |
