KSSG2-40J25 is a module 2, 25-tooth ground spur gear made of S45C steel with induction-hardened tooth surfaces (50~60HRC), featuring a finished bore of 25 mm, an 8 x 3.3 mm keyway, an M6 set screw, and a face width of 20 mm. The gear has a pitch diameter of 50 mm, an outside diameter of 84 mm, a hub diameter of 60 mm, a total length of 36 mm, and an allowable torque of 98.3 N·m (7.35 kgf·m). Backlash is specified as 0.12~0.22 mm, and the precision grade is JIS N7 per JIS B1702-1:1998. The part includes a set screw and conforms to JIS B1301 for keyway tolerance.
Module 2, 40 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 | KSSG2-40J25 | KSSG2-40J25 |
| Product Name | Metal Spur Gears (metric) | Module 2, 40 Tooth Ground Steel Spur Gear with 25mm Finished Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 40 | 40 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Steel | Steel; Hardened; Hardened Carbon Steel |
