KSSAG4-20 is a metric spur gear with a module of 4, 20 teeth, and a pitch diameter of 80 mm. It is manufactured from S45C carbon steel with induction-hardened gear teeth reaching 50 to 60 HRC hardness and a black oxide surface treatment. The gear has an outside diameter of 88 mm, a face width of 20 mm, and a weight of 1.48 kg. It provides an allowable bending strength torque of 307 N·m and an allowable surface durability torque of 141 N·m. Backlash is specified between 0.10 and 0.20 mm. The gear is designed for J-series mounting with an H7 bore tolerance and a Js9 keyway. Secondary operations are prohibited on the hardened tooth area due to induction hardening.
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:
| Stock Drive Products & Sterling Instrument - SDP/SI | |
|---|---|
| Product Category | Gears |
| Product Number | KSSAG4-20 |
| Product Name | Module 4, 20 Tooth Heat-Treated S45C Carbon Steel Spur Gear |
| Gear Type | Spur; Rack |
| Number of Teeth | 20 |
| Design | Metric |
| Pressure Angle | 20° |
| Material | Steel; Carbon Steel |
