KSSG3-45J30 is a ground spur gear in the J Series, with a module of 3, 45 teeth, and a finished bore diameter of 30 mm. The gear has a pitch diameter of 135 mm, an outside diameter of 141 mm, a face width of 30 mm, and a total length of 50 mm. It features a keyway sized 10 mm wide by 3.3 mm deep, machined to JIS B1301 Js9 tolerance, and is secured with an M8 set screw. The gear is made of S45C steel with induction-hardened tooth surfaces, achieving a hardness of 50-60 HRC. Precision conforms to JIS Grade N7 (JIS B1702-1:1998), and the pressure angle is 20° with standard full-depth teeth. Backlash is specified at 0.14-0.24 mm. Secondary operations on tooth areas are prohibited due to induction hardening.
Module 3, 45 Tooth Ground Steel Spur Gear with 30mm 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 | KSSG3-45J30 | KSSG3-45J30 |
| Product Name | Metal Spur Gears (metric) | Module 3, 45 Tooth Ground Steel Spur Gear with 30mm 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 |
