KSSG3-18 is a module 3, 18-tooth ground spur gear made of S45C steel with induction-hardened tooth surfaces, hardness 50~60HRC. It has a plain bore, 40 mm hub diameter, 54 mm outside diameter, 30 mm face width, 20 mm hub width, and 50 mm total length. The keyway is 6 mm width by 2.8 mm depth per JIS B1301, with an M5 set screw. Allowable torque is 110 N·m (45.8 kgf·m), and backlash is 0.12~0.22 mm. Precision meets JIS grade N7 (JIS B1702-1:1998). No secondary operations are permitted on tooth areas due to hardness.
Module 3, 18 Tooth Ground Steel Spur Gear with Plain 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°
For custom components or modifications
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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 | KSSG3-18 | KSSG3-18 |
| Product Name | Metal Spur Gears (metric) | Module 3, 18 Tooth Ground Steel Spur Gear with Plain Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 18 | 18 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Steel | Steel; Hardened; Hardened Carbon Steel |
