KSS5-21 is a steel spur gear with a module of 5, 21 teeth, and a plain bore. It has a pressure angle of 20°, standard full-depth teeth, and is made of S45C steel. The gear is precision-ground to JIS grade N8 per JIS B1702-1:1998. Its bore diameter is 90 mm, hub diameter is 105 mm, pitch diameter is 115 mm, face width is 50 mm, and total length is 25 mm. The web thickness is 25 mm, outside diameter is 75 mm, and backlash is 0.24-0.50 mm. The allowable torque is 5.53 N·m (0.56 kgf·m), with a weight of 4.36 kg.
Module 5, 21 Tooth Mild Steel Spur Gear with Plain Bore
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:
| QTC METRIC GEARS | Stock Drive Products & Sterling Instrument - SDP/SI | |
|---|---|---|
| Product Category | Gears | Gears |
| Product Number | KSS5-21 | KSS5-21 |
| Product Name | Metal Spur Gears (metric) | Module 5, 21 Tooth Mild Steel Spur Gear with Plain Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 21 | 21 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Steel | Steel; Carbon Steel |
