Plastic spur gears with a steel core, module 3, 30 teeth, 55 mm bore diameter, 90 mm pitch diameter, 96 mm outside diameter, 30 mm face width, and 17 mm hub width, designed for use with a 47 mm total length. Precision meets JIS grade N9 (JIS B1702-1:1998) and JIS grade 5 (JIS B1702:1976). Material is MC602ST nylon fused to an S45C steel core using a knurling and molding process to ensure strong adhesion. Allowable torque is 33.2 N·m (3.39 kgf·m) with backlash ranging from 0 to 0.54 mm. Operates with good dimensional stability across temperature variations. This part belongs to the KNSU3 series with a standard hub configuration.
Module 3, 30 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 | KNSU3-30J20 | KNSU3-30J20 |
| Product Name | Plastic Spur Gears (metric) | Module 3, 30 Tooth Nylon Steel Core Spur Gear with Finished 20mm Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 30 | 30 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Nylon | Nylon; Nylon / Steel Core |
