The KPSA3-45J40 is a plastic spur gear with a module of 3, 40 teeth, and a bore size of 12 mm, featuring a keyway of 12 mm width by 3.3 mm depth. It is made of MC901 nylon, has a pressure angle of 20°, and conforms to JIS grade N9 precision standards. The allowable torque is 0.53 N·m, with a weight of 0.58 kg. The gear uses a standard full-depth tooth profile and is compatible with steel hubs for secure mounting under high load or temperature conditions.
Module 3, 45 Tooth Nylon Hubless Spur Gear with 40mm 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.
Request for Quote
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 | KPSA3-45J40 | KPSA3-45J40 |
| Product Name | Plastic Spur Gears (metric) | Module 3, 45 Tooth Nylon Hubless Spur Gear with 40mm Finished Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 45 | 45 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Nylon | Nylon; Nylon / No Insert |