KSSG1-18J8 is a ground spur gear with 18 teeth, module 1, 8 mm bore, and 18 mm pitch diameter. It has a 20° pressure angle, is made of S45C steel with induction-hardened tooth surfaces (50-60 HRC), and conforms to JIS grade N7 precision. The gear has a face width of 8 mm, hub width of 10 mm, and overall length of 18 mm. Backlash is specified as 0.08-0.16 mm, and the allowable torque is 0.025 N·m. A keyway of width 4 mm and depth 1.8 mm is provided, per JIS B1301 standards. Secondary operations on the tooth surface are prohibited due to hardening.
Module 1, 18 Tooth Ground Steel Spur Gear with 8mm 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°
For custom components or modifications
to a standard part, call us or submit an RFQ.
REQUEST A QUOTE
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 | KSSG1-18J8 | KSSG1-18J8 |
| Product Name | Metal Spur Gears (metric) | Module 1, 18 Tooth Ground Steel Spur Gear with 8mm Finished 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 |
