KMSGB2-55 is a ground spur gear with a module of 2, 55 teeth, and a 30 mm hub width, featuring an 8 mm wide by 3.3 mm deep keyway and a bore diameter of 55 mm. It has an allowable torque of 1.51 kgf·m (14.8 N·m), a theoretical backlash of 0.14~0.24 mm, and weighs 55.8 kg. The gear is made from SCM415 steel with overall carburizing heat treatment, achieving a hardness of 55~60 HRC. It meets JIS grade N5 precision (JIS B1702-1:1998) with a 20° pressure angle and standard full-depth teeth. Total length is 30 mm, face width is 20 mm, and the web outer diameter is 144 mm. No secondary operations are permitted due to heat treatment.
Module 2, 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 | KMSGB2-55 | KMSGB2-55 |
| Product Name | Metal Spur Gears (metric) | Module 2, 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 |
