KPSA3-40J30 is a plastic spur gear in the KPSA series, with a module of 3, 30 teeth, and a bore diameter of 30 mm. It has a 10 mm × 3.3 mm keyway per JIS B1301 standards, a pitch diameter of 90 mm, an outside diameter of 96 mm, and a face width of 30 mm. The gear is made of MC901 nylon with a tooth hardness of 115-120 HRR and meets JIS grade N9 precision (JIS B1702-1: 1998). The allowable torque is 0.38 N·m (0.30 kgf·m), based on the specified usage conditions. The gear is designed for use with steel hubs in high-temperature or high-impact applications, and its dimensions may vary with humidity or temperature due to its plastic material.
Module 3, 40 Tooth Nylon Hubless Spur Gear with 30mm 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 | KPSA3-40J30 | KPSA3-40J30 |
| Product Name | Plastic Spur Gears (metric) | Module 3, 40 Tooth Nylon Hubless Spur Gear with 30mm Finished Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 40 | 40 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Nylon | Nylon; Nylon / No Insert |
