KMSGA2.5-20 is a ground spur gear with a module of 2.5, 20 teeth, and a pitch diameter of 50 mm. It has an outside diameter of 55 mm, a face width of 25 mm, and a hub width of 12 mm. The gear is made of SCM415 steel with overall carburizing heat treatment, achieving a hardness of 55 to 60 HRC. It meets JIS grade N5 precision (JIS B1702-1: 1998) and has a pressure angle of 20° with standard full-depth teeth. The allowable torque is 222 N·m (22.7 kgf·m), with a theoretical backlash of 0.10 to 0.20 mm. The keyway is 6 mm wide by 2.8 mm deep. The total length is 37 mm, and the weight is 0.42 kg. No secondary operations are permitted due to the carburized finish.
Module 2.5, 20 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 | KMSGA2.5-20 | KMSGA2.5-20 |
| Product Name | Metal Spur Gears (metric) | Module 2.5, 20 Tooth Ground Steel Spur Gear |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 20 | 20 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Steel | Steel; Hardened; Hardened Carbon Steel |
