KSS3-70J30 is a steel spur gear with a module of 3, 30 teeth, and a finished bore of 30 mm, designed for metric applications. The gear has a standard full-depth tooth profile, a 20° pressure angle, and is made from S45C steel with a tooth hardness of less than 194 HB. It meets JIS grade N8 precision (JIS B1702-1:1998). The bore is equipped with a keyway conforming to JIS B1301 (Js 9 tolerance) and is secured by an M6×3.3 set screw. The allowable torque capacity is 10.5 N·m under assumed usage conditions. Backlash is specified as 0.20~0.44 mm for a matched gear pair. The gear has a width of 16 mm and a hub diameter of 70 mm.
Module 3, 70 Tooth Mild Steel Spur Gear with 30mm 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 | KSS3-70J30 | KSS3-70J30 |
| Product Name | Metal Spur Gears (metric) | Module 3, 70 Tooth Mild Steel Spur Gear with 30mm Finished Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 70 | 70 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Steel | Steel; Carbon Steel |
