The KSS3-20J20 is a Module 3, 20-tooth steel spur gear with a 20mm bore, featuring a 20° pressure angle and JIS grade N8 precision (JIS B1702-1:1998). It is made from S45C steel with a tooth hardness of less than 194HB, a keyway conforming to JIS B1301 (Js9 tolerance), and a 6mm x 2.8mm keyway slot with an M5 set screw. The gear has a face width of 7.5mm, an allowable torque of 0.96 N·m, and a theoretical backlash of 0.18 to 0.38 mm. The product is available as a special-order variant with a lead time of up to five working days. No black oxide coating is applied to modified areas.
Module 3, 20 Tooth Mild Steel Spur Gear with 20mm Finished 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
to a standard part, call us or submit an RFQ.
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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 | KSS3-20J20 | KSS3-20J20 |
| Product Name | Metal Spur Gears (metric) | Module 3, 20 Tooth Mild Steel Spur Gear with 20mm Finished Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 20 | 20 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Steel | Steel; Carbon Steel |