The KPSA3-40J28 is a plastic spur gear with a module of 3 and features 40 teeth. It has a finished bore diameter of 28mm, making it suitable for various applications requiring precise gear engagement. The gear is constructed from MC nylon, which provides a balance of strength and lightweight characteristics. It is designed to operate with a backlash of 0 to 0.56mm, ensuring minimal play during operation. The gear's tooth hardness ranges from 115 to 120 HRR, contributing to its durability. It is important to note that significant variations in temperature or humidity can affect the dimensions of the gear, including bore size and tooth diameter. The KPSA3-40J28 is part of a series that may require lead time for shipping and is available in limited quantities per order.
Module 3, 40 Tooth Nylon Hubless Spur Gear with 28mm 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 | KPSA3-40J28 | KPSA3-40J28 |
| Product Name | Plastic Spur Gears (metric) | Module 3, 40 Tooth Nylon Hubless Spur Gear with 28mm 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 |
