KSSG3-55J30 is a module 3, 55-tooth ground spur gear made of S45C steel with induction-hardened tooth surfaces hardened to 50~60 HRC, featuring a 30 mm bore, 8 mm x 3.3 mm keyway, and JIS grade N7 precision per JIS B1702-1:1998. It has a pitch diameter of 165 mm, outside diameter of 171 mm, face width of 30 mm, and hub width of 20 mm. The allowable torque is 5.76 N·m (0.588 kgf·m) with a theoretical backlash of 0.14~0.24 mm. Set screw and keyway comply with JIS B1301 standard. Secondary operations on tooth areas are prohibited due to induction hardening.
Module 3, 55 Tooth Ground Steel Spur Gear with 30mm 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 | KSSG3-55J30 | KSSG3-55J30 |
| Product Name | Metal Spur Gears (metric) | Module 3, 55 Tooth Ground Steel Spur Gear with 30mm Finished Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 55 | 55 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Steel | Steel; Hardened; Hardened Carbon Steel |
