KSSG1-18 is a module 1, 18-tooth ground spur gear made of S45C steel with induction-hardened tooth surfaces (50-60 HRC), featuring a standard full-depth tooth profile and 20° pressure angle. It has a bore diameter of 6 mm, hub diameter of 15 mm, pitch diameter of 18 mm, outside diameter of 20 mm, face width of 8 mm, hub width of 10 mm, and total length of 18 mm. Backlash is specified as 0.08-0.16 mm. The gear is designed for use with a set screw, with allowable torque of 0.025 N·m. It meets JIS grade N7 precision (JIS B1702-1:1998). Secondary operations on the tooth area are prohibited due to heat treatment. The KSSG1-18 J6 variant includes a set screw and is available as standard; other variants like J8 are available with different bore sizes. A keyway is not provided on this model variant.
Module 1, 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
to a standard part, call us or submit an RFQ.
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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 | KSSG1-18 | KSSG1-18 |
| Product Name | Metal Spur Gears (metric) | Module 1, 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 |
