KMSGA2.5-55 is a ground spur gear with a module of 2.5 mm, 55 teeth, a pitch diameter of 137.5 mm, an outside diameter of 142.5 mm, a face width of 25 mm, and a hub width of 12 mm. It is made of SCM415 steel with overall carburizing heat treatment, achieving a hardness of 55 to 60 HRC. The gear has a JIS grade N5 precision rating per JIS B1702-1:1998, a 20° pressure angle, and standard full-depth teeth. Backlash is specified between 0.14 and 0.24 mm. The allowable torque is 804 N·m (82.0 kgf·m). It features a keyway of 12 mm width by 3.3 mm depth and weighs 3.06 kg. The web outer diameter is 37 mm. No secondary operations are permitted due to the carburizing process.
Module 2.5, 55 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 | KMSGA2.5-55 | KMSGA2.5-55 |
| Product Name | Metal Spur Gears (metric) | Module 2.5, 55 Tooth Ground Steel Spur Gear |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 55 | 55 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Steel | Steel; Hardened; Hardened Carbon Steel |
