Steel spur gear with module 3, 72 teeth, 30 mm bore, and a keyway compliant with JIS B1301 (Js 9 tolerance). It has a pressure angle of 20°, is made of S45C steel, and meets JIS grade N8 precision (JIS B1702-1:1998). The gear has a tooth hardness of less than 194 HB, a face width of 30 mm, and an overall thickness of 16 mm. The allowable torque is specified as 7.31 N·m. The bore is machined for an M8 screw, and the product is marked for secondary operations with caution. Backlash is 0.20-0.44 mm. The parts in this series are not black oxide coated if reworked.
Module 3, 72 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°
For custom components or modifications
to a standard part, call us or submit an RFQ.
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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 | KSS3-72J30 | KSS3-72J30 |
| Product Name | Metal Spur Gears (metric) | Module 3, 72 Tooth Mild Steel Spur Gear with 30mm Finished Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 72 | 72 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Steel | Steel; Carbon Steel |
