KPSA2.5-45J22 is a plastic spur gear with a module of 2.5, 22 teeth, a pitch diameter of 55 mm, an outside diameter of 117.5 mm, a face width of 25 mm, and a keyway of 6 mm width by 2.8 mm depth. It 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 26.8 N·m (2.73 kgf·m), with a theoretical backlash of 0~0.48 mm and a weight of 0.28 kg. Keyways conform to JIS B1301 (Js 9 tolerance). The bore size is 22 mm, and the gear is designed for mounting with a steel hub for secure fastening under high load, temperature, or reverse motion conditions.
Module 2.5, 45 Tooth Nylon Hubless Spur Gear with 22mm 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 | KPSA2.5-45J22 | KPSA2.5-45J22 |
| Product Name | Plastic Spur Gears (metric) | Module 2.5, 45 Tooth Nylon Hubless Spur Gear with 22mm 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 |
