KMSGB1-80 is a ground spur gear with a module of 20, 80 teeth, and a bore fit for a 45 mm shaft, featuring a 10 mm face width and a 25 mm hub width. It is made of SCM415 steel with overall carburizing heat treatment, achieving a hardness of 55~60 HRC. The gear meets JIS grade N5 precision standards (JIS B1702-1:1998) and has a 20° pressure angle with standard full-depth teeth. Backlash is specified as 0.10~0.18 mm. It has an allowable bending strength torque of 83.9 N·m and a surface durability torque of 147 N·m. The keyway is 8 mm wide by 3.3 mm deep. The gear is part of a series with no secondary operations permitted due to carburizing. Total weight is 0.44 kg.
Module 1, 80 Tooth Ground Steel Spur Gear
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 | KMSGB1-80 | KMSGB1-80 |
| Product Name | Metal Spur Gears (metric) | Module 1, 80 Tooth Ground Steel Spur Gear |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 80 | 80 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Steel | Steel; Hardened; Hardened Carbon Steel |