KKS3-20 is a thermal refined spur gear with a module of 3, 20 teeth, and made of SCM440 alloy steel with a tooth hardness of 225 to 352HB and a black oxide surface treatment. It has a bore diameter of 50 mm, pitch diameter of 60 mm, hub diameter of 66 mm, total length of 40 mm, and weighs 2.07 kg. The gear meets JIS grade N8 (JIS B 1702-1: 1998) with a pressure angle of 20° and a backlash of 0.14 to 0.32 mm. It supports an allowable bending strength of 274 N·m and surface durability of 59.1 N·m.
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:
| Stock Drive Products & Sterling Instrument - SDP/SI | |
|---|---|
| Product Category | Gears |
| Product Number | KKS3-20 |
| Product Name | Module 3, 20 Tooth Heat-Treated SCM440 Alloy Steel Spur Gear |
| Gear Type | Spur; Rack |
| Number of Teeth | 20 |
| Design | Metric |
| Pressure Angle | 20° |
| Material | Steel; Alloy Steel |
