KSS3-20J28 is a module 3, 28-tooth steel spur gear made of S45C material with a 20° pressure angle and JIS grade N8 precision. It features a 6 mm wide keyway, 8 x 3.3 mm bore with an M6 set screw, and a hub thickness of 7.5 mm. The gear has a permissible torque of 0.67 N·m and a theoretical backlash of 0.18~0.38 mm, with a weight of 1.04 kg. Keyways conform to JIS B1301 standard. Secondary operations reducing tooth width are not recommended due to impacts on precision and strength.
Module 3, 20 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 | KSS3-20J28 | KSS3-20J28 |
| Product Name | Metal Spur Gears (metric) | Module 3, 20 Tooth Mild Steel Spur Gear with 28mm Finished Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 20 | 20 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Steel | Steel; Carbon Steel |
