The KPSA2.5-45J40 is a plastic spur gear with a module of 2.5, 45 teeth, and a 40 mm bore, made from MC901 nylon. It features a standard full-depth tooth profile with a 20° pressure angle and a keyway of 12 mm width by 3.3 mm depth conforming to JIS B1301, Js9 tolerance. The gear has a pitch diameter of 112.5 mm, an outside diameter of 117.5 mm, and a face width of 25 mm. The allowable torque is 0.26 N·m (0.026 kgf·m) with a backlash range of 0 to 0.48 mm. The gear meets JIS grade N9 precision standards (equivalent to JIS B1702-1:1998).
Module 2.5, 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.
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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 | KPSA2.5-45J40 | KPSA2.5-45J40 |
| Product Name | Plastic Spur Gears (metric) | Module 2.5, 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 |
