KNSU3-44 is a plastic spur gear with a steel core, featuring a module of 3, 44 teeth, and a pitch diameter of 132 mm. The gear has an outside diameter of 138 mm, a face width of 30 mm, and a hub width of 17 mm. The total length is 95 mm, with a bore diameter of 70 mm. The allowable torque is 54.0 N·m (5.51 kgf·m), and the backlash is specified as 0-0.56 mm. The gear is made of MC602ST nylon fused to an S45C steel core, meeting JIS grade 5 (JIS B1702: 1976) for precision. It has a 20° pressure angle and standard full-depth teeth. The holding strength between the core and nylon is achieved through a knurled metal surface and molding process, ensuring dimensional stability and high-temperature performance, with operation up to 140°C.
Module 3, 44 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 | KNSU3-44 | KNSU3-44 |
| Product Name | Plastic Spur Gears (metric) | Module 3, 44 Tooth Nylon Steel Core Spur Gear with Plain Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 44 | 44 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Nylon | Nylon; Nylon / Steel Core |
