KSSG3-45J25 is a ground spur gear with module 3, 45 teeth, and a 25 mm finished bore. It has a 135 mm outside diameter, 141 mm total length, 30 mm face width, and 20 mm hub width. The gear is made of S45C steel with induction-hardened tooth surfaces at 50-60 HRC, meets JIS grade N7 precision (JIS B1702-1:1998), and has a 20° pressure angle with standard full-depth teeth. A keyway of 10 mm width by 3.3 mm depth per JIS B1301 Js9 tolerance is provided, and a set screw is included. Backlash is specified as 0.14-0.24 mm for a mating pair. The gear allows no secondary operations on tooth areas due to hardening.
Module 3, 45 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°
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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 | KSSG3-45J25 | KSSG3-45J25 |
| Product Name | Metal Spur Gears (metric) | Module 3, 45 Tooth Ground Steel Spur Gear with 25mm Finished Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 45 | 45 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Steel | Steel; Hardened; Hardened Carbon Steel |
