KSS2.5-70J28 is a steel spur gear with a module of 2.5, 70 teeth, and a 28 mm finished bore, conforming to JIS grade N8 precision (JIS B1702-1: 1998). The gear is made of S45C steel with a tooth hardness less than 194 HB, has a 20° pressure angle, and standard full-depth teeth. It has a bore diameter of 8 mm, a tooth width of 25 mm, and an overall width of 30 mm. The allowable torque is 4.24 N·m, and the backlash value is specified in the normal direction for a matched pair. The part is part of the KSS2.5 series, which includes variants with keyways machined to JIS B1301 Js9 tolerance.
Module 2.5, 70 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 | KSS2.5-70J28 | KSS2.5-70J28 |
| Product Name | Metal Spur Gears (metric) | Module 2.5, 70 Tooth Mild Steel Spur Gear with 28mm Finished Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 70 | 70 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Steel | Steel; Carbon Steel |
