Module 3 ground spur gear with 28 teeth and a 25 mm bore, featuring a 10 x 3.3 mm keyway and induction-hardened tooth surfaces with 50~60 HRC hardness. Manufactured from S45C steel with a 20° pressure angle and JIS Grade N7 precision. Total length is 50 mm, face width 30 mm, hub width 20 mm, and outside diameter is 90 mm. Includes a set screw. Backlash is 0.12~0.22 mm, and allowable torque is 1.70 N·m. Not subject to secondary operations on tooth areas due to hardness.
Module 3, 28 Tooth Ground Steel Spur Gear with 25mm 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 | KSSG3-28J25 | KSSG3-28J25 |
| Product Name | Metal Spur Gears (metric) | Module 3, 28 Tooth Ground Steel Spur Gear with 25mm Finished Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 28 | 28 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Steel | Steel; Hardened; Hardened Carbon Steel |
