Steel spur gear with module 3, 72 teeth, and a 28 mm finished bore, machined to JIS Grade N8 precision. The gear is made from S45C steel with a tooth hardness of less than 194 HB, has a 20° pressure angle, and standard full-depth teeth. It features a keyway conforming to JIS B1301 Js9 tolerance and an M6* threaded hole. Backlash is specified as 0.20~0.44 mm, and the allowable torque is 7.39 N·m. The bore diameter is 28 mm, and the overall dimensions are 90 mm outer diameter, 216 mm face width, and 182 mm hub width. The gear has a die-forged finish and a weight of 68.9 g. Secondary operations that narrow tooth width are discouraged.
Module 3, 72 Tooth Mild Steel Spur Gear with 28mm 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 | KSS3-72J28 | KSS3-72J28 |
| Product Name | Metal Spur Gears (metric) | Module 3, 72 Tooth Mild Steel Spur Gear with 28mm Finished Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 72 | 72 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Steel | Steel; Carbon Steel |
