Module 3 ground spur gear with 21 teeth and 22mm bore, featuring a 6 x 2.8 mm keyway, M5 set screw, 52mm bore diameter, 63mm outside diameter, 69mm face width, and 50mm total length. Derives 14.2 N·m allowable torque (6.57 kgf·m) and 0.12~0.22 mm backlash. Made of S45C steel with induction-hardened tooth surfaces (50~60 HRC) and JIS grade N7 precision. Total weight is 0.98 kg.
Module 3, 21 Tooth Ground Steel Spur Gear with 22mm 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 | KSSG3-21J22 | KSSG3-21J22 |
| Product Name | Metal Spur Gears (metric) | Module 3, 21 Tooth Ground Steel Spur Gear with 22mm Finished Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 21 | 21 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Steel | Steel; Hardened; Hardened Carbon Steel |
