KPSA2-90J28 is a plastic spur gear with a module of 2, 28 teeth, and a bore size of 8 mm, featuring a keyway of 8 x 3.3 mm per JIS B1301 standards. It is made of MC901 nylon, has a pressure angle of 20°, and conforms to JIS grade N9 precision. The gear has a pitch diameter of 56 mm, an outside diameter of 60 mm, a face width of 20 mm, and an allowable torque of 0.58 N·m (0.059 kgf·m). Backlash is specified as 0-0.46 mm. The gear is designed for use with steel hubs under conditions of high temperature, large diameter, or impact loading.
Module 2, 90 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 | KPSA2-90J28 | KPSA2-90J28 |
| Product Name | Plastic Spur Gears (metric) | Module 2, 90 Tooth Nylon Hubless Spur Gear with 28mm Finished Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 90 | 90 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Nylon | Nylon; Nylon / No Insert |
