The KPS3-25J19 is a plastic spur gear from the KPS series, with a module of 3, 25 teeth, and a J-series hub featuring a 19mm bore diameter, a 6mm × 2.8mm keyway, an M5 set screw, a 7.5mm face width, and a 45mm total length. It is made of MC901 nylon, conforms to JIS grade N9 (equivalent to S1), and has a standard 20° pressure angle with full-depth teeth. The allowable torque is 22.1 N·m (2.25 kgf·m), and its theoretical backlash ranges from 0 to 0.54 mm. The gear's tooth hardness is 115-120 HRR, and keyways follow JIS B1301 standards. The part is available on request with a lead time of up to five working days after order placement.
Module 3, 25 Tooth Nylon Spur Gear with Hub and 19mm Finished 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 | KPS3-25J19 | KPS3-25J19 |
| Product Name | Plastic Spur Gears (metric) | Module 3, 25 Tooth Nylon Spur Gear with Hub and 19mm Finished Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 25 | 25 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Nylon | Nylon; Nylon / No Insert |
