KSS3-21J17 is a Module 3, 17-tooth steel spur gear with a 5 mm × 2.3 mm keyway and an M4* tapped hole, made from S45C material with a hardness less than 194 HB. It has a 20° pressure angle, standard full-depth teeth, and a backlash of 0.18~0.38 mm. The gear is rated for a maximum allowable torque of 0.90 N·m and has a weight of 0.87 kg. The keyway is manufactured to JIS B1301 Js9 tolerance. This part is available on request with a lead time of five working days and is limited to production batches of 1 to 20 units.
Module 3, 21 Tooth Mild Steel Spur Gear with 17mm 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°
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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 | KSS3-21J17 | KSS3-21J17 |
| Product Name | Metal Spur Gears (metric) | Module 3, 21 Tooth Mild Steel Spur Gear with 17mm Finished Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 21 | 21 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Steel | Steel; Carbon Steel |