KPSA2.5-48J20 is a plastic spur gear with a module of 2.5, 20 teeth, and a 6 mm wide by 2.8 mm deep keyway, manufactured from MC901 nylon. It has a pitch diameter of 50 mm, an outside diameter of 55 mm, a face width of 25 mm, and a backlash tolerance of 0 to 0.48 mm. The gear is rated for an allowable torque of 0.32 N·m and weighs 0.35 kg. It meets JIS grade N9 precision standards (equivalent to JIS B1702-1:1998). The keyway is fabricated to JIS B1301 Js9 tolerance. Thermal or humidity variations may cause dimensional changes, and operation without lubrication may generate heat; mating with steel gears is recommended. Steel hubs are advised for high-load or high-temperature applications. This part belongs to the KPSA series available in J-series variants with lead times up to five working days after order placement.
Module 2.5, 48 Tooth Nylon Hubless Spur Gear with 20mm 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 | KPSA2.5-48J20 | KPSA2.5-48J20 |
| Product Name | Plastic Spur Gears (metric) | Module 2.5, 48 Tooth Nylon Hubless Spur Gear with 20mm Finished Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 48 | 48 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Nylon | Nylon; Nylon / No Insert |
