KSS4-40 is a metric steel spur gear with a module of 4, 40 teeth, and a plain bore. It is made of S45C steel with a tooth hardness of less than 194HB, has a 20° pressure angle, and adheres to JIS grade N8 precision (JIS B1702-1:1998). The gear has a tooth width of 25 mm, an outer diameter of 168 mm, and a bore diameter of 100 mm. It is rated for a maximum torque of 109 N⋅cm and a maximum allowable thrust load of 96.2 kg. The backlash tolerance is 0.20-0.44 mm. The part is designed for standard full-depth teeth and is compatible with S1 and S4 mounting styles.
Module 4, 40 Tooth Mild Steel Spur Gear with Plain 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 | KSS4-40 | KSS4-40 |
| Product Name | Metal Spur Gears (metric) | Module 4, 40 Tooth Mild Steel Spur Gear with Plain Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 40 | 40 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Steel | Steel; Carbon Steel |
