KSS1-25B is a steel spur gear with module 1, 25 teeth, and a 5 mm bore, featuring a set screw for shaft fastening. It has a 20° pressure angle, standard full-depth teeth, and is made of S45C steel with a hardness less than 194 HB. Precision conforms to JIS grade N8 (JIS B1702-1:1998). The gear has a pitch diameter of 25 mm, outside diameter of 27 mm, face width of 10 mm, and total length of 20 mm. The keyway is 4 mm wide and 1.8 mm deep, and the set screw is M5 size. The allowable torque is 0.054 N·m, and backlash is 0.08~0.18 mm. The weight is 0.054 kg. Set screws are recommended only for light load applications; dowel pins are preferred for secure mounting.
Module 1, 25 Tooth Mild Steel Spur Gear with Set Screw
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 | KSS1-25B | KSS1-25B |
| Product Name | Metal Spur Gears (metric) | Module 1, 25 Tooth Mild Steel Spur Gear with Set Screw |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 25 | 25 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Steel | Steel; Carbon Steel |
