Plastic spur gears with a steel core, manufactured in module 2.5 with 40 teeth, feature a 65 mm bore, 100 mm pitch diameter, 105 mm outside diameter, 25 mm face width, and 40 mm total length. The gear uses MC602ST nylon molded onto an S45C steel core with a diamond-knurled interface for enhanced holding strength. Precision conforms to JIS grade N9 per JIS B1702-1:1998. The allowable torque is 27.8 N⋅m (2.83 kgf⋅m) with a backlash range of 0-0.46 mm. The gear operates within a wide temperature range and exhibits good dimensional stability. General specifications for the KNSU2.5 series, including material, pressure angle (20°), and tooth profile (standard full depth), apply to this variant.
Module 2.5, 40 Tooth Nylon Steel Core Spur Gear with Finished 19mm 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 | KNSU2.5-40J19 | KNSU2.5-40J19 |
| Product Name | Plastic Spur Gears (metric) | Module 2.5, 40 Tooth Nylon Steel Core Spur Gear with Finished 19mm Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 40 | 40 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Nylon | Nylon; Nylon / Steel Core |
