The KSSG3-21J28 is a Module 3, 21-tooth ground steel spur gear featuring a 28mm finished bore. It is manufactured from S45C material and has been induction hardened, resulting in a tooth hardness of 50 to 60 HRC. The gear is designed with a standard full depth tooth profile and a pressure angle of 20¬8. It is black oxide coated, except for the teeth, which enhances its durability. The gear's dimensions include a pitch diameter of 69mm, an outside diameter of 139mm, and a face width of 14.2mm. The allowable torque for this gear is rated at 6.57 N¬?m. This product is suitable for applications requiring precision and strength in gear transmission.
Module 3, 21 Tooth Ground Steel Spur Gear with 28mm 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 | KSSG3-21J28 | KSSG3-21J28 |
| Product Name | Metal Spur Gears (metric) | Module 3, 21 Tooth Ground Steel Spur Gear with 28mm 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 |
