KPS2.5-28J18 is a plastic spur gear with a module of 2.5, 18 teeth, a bore diameter of 6 mm, a hub width of 6 mm, and a keyway of 6 mm width by 2.8 mm depth conforming to JIS B1301. It has a pitch diameter of 60 mm, an outside diameter of 70 mm, and a face width of 25 mm, made of MC901 nylon with a tooth hardness of 115-120 HRR. The gear is precision grade JIS N9 (equivalent to S1), with a pressure angle of 20°, standard full-depth teeth, and an allowable torque of 0.14 N·m. A set screw M5 is included for shaft locking, and the backlash is specified as 0-0.46 mm for a meshed pair. The gear is not heat treated and is designed for use with steel mating gears to mitigate thermal effects from dry operation.
Module 2.5, 28 Tooth Nylon Spur Gear with Hub and 18mm 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 | KPS2.5-28J18 | KPS2.5-28J18 |
| Product Name | Plastic Spur Gears (metric) | Module 2.5, 28 Tooth Nylon Spur Gear with Hub and 18mm Finished Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 28 | 28 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Nylon | Nylon; Nylon / No Insert |
