KMSGA4-40 is a module 4, 40-tooth ground spur gear made of SCM415 steel with overall carburizing heat treatment, achieving 55~60HRC hardness. It has a keyway width of 8 mm and depth of 3.3 mm, an allowable torque of 6.49 N·m (6.61 kgf·m), and a backlash of 0.16~0.26 mm. The gear has a pitch diameter of 160 mm, outside diameter of 168 mm, face width of 40 mm, and total length of 60 mm. It meets JIS grade N5 (JIS B1702-1: 1998) precision standards, with a 20° pressure angle and standard full-depth teeth. The bore and hub dimensions are designed for direct mounting with no secondary operations permitted.
Module 4, 40 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°
For custom components or modifications
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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 | KMSGA4-40 | KMSGA4-40 |
| Product Name | Metal Spur Gears (metric) | Module 4, 40 Tooth Ground Steel Spur Gear |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 40 | 40 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Steel | Steel; Hardened; Hardened Carbon Steel |
