KSS2.5-25J20 is a steel spur gear with a module of 2.5, 20 teeth, and a 6 mm keyway of 2.8 mm depth. It has a 25 mm pitch diameter, 25 mm face width, and an allowable torque of 0.61 N·m (0.06 kgf·m). The gear conforms to JIS grade N8 precision (JIS B1702-1:1998), features standard full-depth teeth at a 20° pressure angle, and is made from S45C steel with a tooth hardness of less than 194 HB. Backlash is specified as 0.16~0.34 mm. The keyway follows JIS B1301 Js9 tolerance. A set screw is included due to the presence of a tapped hole. Dimensions and ratings match the J series variant listed for this configuration.
Module 2.5, 25 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 | KSS2.5-25J20 | KSS2.5-25J20 |
| Product Name | Metal Spur Gears (metric) | Module 2.5, 25 Tooth Mild Steel Spur Gear with 20mm Finished Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 25 | 25 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Steel | Steel; Carbon Steel |
