KSS3-28J20 is a steel spur gear from the KSS Series, with 20 teeth, a 20 mm finished bore, and a 6 mm keyway, conforming to JIS grade N8 precision (JIS B1702-1: 1998). It is made from S45C steel, has a 20° pressure angle, and standard full-depth teeth. The gear has a tooth hardness less than 194HB, a module of 3, and an overall width of 7.5 mm. A set screw is included for shaft retention, and the keyway follows JIS B1301 Js 9 tolerance. Backlash is specified as 0.18-0.38 mm under normal meshing conditions.
Module 3, 28 Tooth Mild Steel Spur Gear with 20mm Finished Bore
Inch Gears: AGMA 12, 10, 9, and 8
Available Pitches: 120 thru 16
Pressure Angles: 20° and 14.5°
Metric Gears: ISO 5 thru 9
Available Modules: 0.3 thru 3
Pressure Angles: 20° and 14.5°
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Elements of Metric Gear Technology
How to Achieve Optimum Performance in a Miniature Gear Train
You May Also Need:
Shafts
Bearings
Couplings
Our metal spur gears are available in a variety of materials, including:
With a variety of fastening styles, including:
| QTC METRIC GEARS | Stock Drive Products & Sterling Instrument - SDP/SI | |
|---|---|---|
| Product Category | Gears | Gears |
| Product Number | KSS3-28J20 | KSS3-28J20 |
| Product Name | Metal Spur Gears (metric) | Module 3, 28 Tooth Mild Steel Spur Gear with 20mm Finished Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 28 | 28 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Steel | Steel; Carbon Steel |
