KSSA3-25 is a steel hubless spur gear with module 3, 25 teeth, and a pitch diameter of 75 mm. It has a tooth width of 15 mm, a bore diameter of 30 mm, and is made of S45C steel with a hardness less than 194 HB. The gear has a pressure angle of 20°, follows JIS grade N8 precision (JIS B1702-1:1998), and has a theoretical backlash range of 0.18 to 0.38 mm. The allowable torque is 1.66 N·m, and the weight is 1.00 kg. Secondary operations narrowing tooth width are discouraged to preserve precision and strength.
Module 3, 25 Tooth Mild Steel Hubless 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°
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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 | KSSA3-25J22 | KSSA3-25J22 |
| Product Name | Metal Spur Gears (metric) | Module 3, 25 Tooth Mild Steel Hubless Spur Gear with 22mm Finished Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 25 | 25 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Steel | Steel; Carbon Steel |
