The KNSU2.5-56 is a plastic spur gear with a steel core, featuring a module of 2.5, 56 teeth, and a pitch diameter of 140 mm. The gear has an outside diameter of 145 mm, face width of 25 mm, hub width of 15 mm, and total length of 105 mm. It is made of MC602ST nylon fused to an S45C steel core using a diamond-knurled surface treatment for high holding strength. The gear meets JIS grade N9 precision (JIS B1702-1:1998), has a 20° pressure angle, standard full-depth teeth, and an allowable torque of 42.1 N·m (4.29 kgf·m). Backlash is specified as 0 to 0.48 mm, and the weight is 2.24 kg.
Module 2.5, 56 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.
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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 | KNSU2.5-56 | KNSU2.5-56 |
| Product Name | Plastic Spur Gears (metric) | Module 2.5, 56 Tooth Nylon Steel Core Spur Gear with Plain Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 56 | 56 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Nylon | Nylon; Nylon / Steel Core |
