KSS3-80J40 is a module 3, 40-tooth steel spur gear with a 12 mm wide keyway and M8 thru-hole for shaft retention, made from S45C material. It has a JIS grade N8 precision rating, 20° pressure angle, and standard full-depth teeth. The gear has a bore diameter of 40 mm and measures 90 mm in outer diameter, 246 mm in face width, and 16 mm in hub thickness. The allowable torque is 6.62 N•m. The part is marked with an asterisk indicating a counterbored tapped hole, and it includes a set screw. Heat treatment is not applied, and tooth hardness is less than 194 HB. The backlash range is 0.20~0.44 mm. Surface areas modified by secondary operations are not black oxide coated.
Module 3, 80 Tooth Mild Steel Spur Gear with 40mm 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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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 | KSS3-80J40 | KSS3-80J40 |
| Product Name | Metal Spur Gears (metric) | Module 3, 80 Tooth Mild Steel Spur Gear with 40mm Finished Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 80 | 80 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Steel | Steel; Carbon Steel |
