KSSG1-120J18 is a module 1, 18-tooth ground spur gear in the KSSG series, with a 18mm finished bore, 6mm keyway width by 2.8mm depth, and an M5 set screw. It has a 120mm pitch diameter, 122mm outside diameter, 8mm face width, and 10mm hub width. The gear is made of S45C steel with induction-hardened tooth surfaces at 50-60 HRC, meets JIS B1702-1:1998 Grade N7 precision, and has a theoretical backlash of 0.12-0.20 mm. Its allowable torque is 0.82 N·m (0.084 kgf·m), and it weighs 0.82 kg. The keyway conforms to JIS B1301 Js9 tolerance. Secondary operations on the tooth area are not permitted due to induction hardening.
Module 1, 120 Tooth Ground Steel Spur Gear with 18mm 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 | KSSG1-120J18 | KSSG1-120J18 |
| Product Name | Metal Spur Gears (metric) | Module 1, 120 Tooth Ground Steel Spur Gear with 18mm Finished Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 120 | 120 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Steel | Steel; Hardened; Hardened Carbon Steel |
