KSSG2.5-45J30 is a ground spur gear with 45 teeth, module 2.5, and a 30 mm bore diameter, designed for power transmission. It has a pitch diameter of 112.5 mm, outside diameter of 117.5 mm, face width of 25 mm, and total length of 43 mm. The gear features a keyway 8 mm wide by 3.3 mm deep and a set screw for shaft retention. Made of S45C steel with induction-hardened tooth surfaces (50-60 HRC), it meets JIS grade N7 (JIS B1702-1: 1998) precision standards. Backlash is specified as 0.14-0.24 mm, and allowable torque is 20.9 N·m (17.4 kgf·m). Secondary operations on tooth areas are prohibited due to induction hardening.
Module 2.5, 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 | KSSG2.5-45J30 | KSSG2.5-45J30 |
| Product Name | Metal Spur Gears (metric) | Module 2.5, 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 |
