Steel spur gear with module 3, 68 teeth, and 45 mm finished bore, designed for standard full-depth involute teeth at 20° pressure angle. Made of S45C steel with JIS grade N8 precision per JIS B1702-1:1998. Features a 14 x 3.8 mm keyway and M10 through-hole for mounting. Backlash is specified as 0.20 to 0.44 mm for identical gear pairs in mesh. Maximum allowable torque is 6.43 N·m under assumed usage conditions. No heat treatment applied, tooth hardness is less than 194 HB. Supply includes set screw for tapped hole. Final dimensions include bore diameter of 45 mm, tooth width of 16 mm, and overall width of 90 mm.
Module 3, 68 Tooth Mild Steel Spur Gear with 45mm 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 | KSS3-68J45 | KSS3-68J45 |
| Product Name | Metal Spur Gears (metric) | Module 3, 68 Tooth Mild Steel Spur Gear with 45mm Finished Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 68 | 68 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Steel | Steel; Carbon Steel |
