KPSA2-40J19 is a module 2 plastic spur gear with 19 teeth, a 19 mm bore, and a keyway of 6 mm width by 2.8 mm depth, made of MC901 nylon with a tooth hardness of 115-120 HRR, a 20° pressure angle, and JIS grade N9 precision. It has an outside diameter of 84 mm, a face width of 20 mm, and a theoretical backlash of 0.085 mm. The allowable torque is specified as 1.8 N·m (0.18 kgf·m). The gear is designed for light-load applications and requires a steel hub for secure shaft attachment under high temperature, high torque, or reversing load conditions. Keyways conform to JIS B1301 Js9 tolerance.
Module 2, 40 Tooth Nylon Hubless Spur Gear with 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.
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 | KPSA2-40J19 | KPSA2-40J19 |
| Product Name | Plastic Spur Gears (metric) | Module 2, 40 Tooth Nylon Hubless Spur Gear with 19mm 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 |