KSS3-28 is a module 3, 28-tooth steel spur gear made from S45C material with a 20° pressure angle and JIS Grade N8 precision per JIS B1702-1:1998. It has a tooth width of 28 mm, hub diameter of 70 mm, overall width of 90 mm, and a keyway conforming to JIS B1301 (Js9 tolerance). The bore accepts an 8 x 3.3 mm set screw with M6 thread. Backlash is specified as 0.18-0.38 mm, and the allowable torque is 20.7 N·m. Variants with the J28 suffix are available on request with a lead time of up to five working days and order limits of 1 to 20 units.
Module 3, 28 Tooth Mild Steel Spur Gear with Plain 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°
For custom components or modifications
to a standard part, call us or submit an RFQ.
REQUEST A QUOTE
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 | KSS3-28 | KSS3-28 |
| Product Name | Metal Spur Gears (metric) | Module 3, 28 Tooth Mild Steel Spur Gear with Plain Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 28 | 28 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Steel | Steel; Carbon Steel |
