KSSG1-55J20 is a module 1, 20-tooth ground spur gear made of S45C steel with induction-hardened tooth surfaces (50-60 HRC), featuring a 20 mm bore, 6 × 2.8 mm keyway, and M5 set screw. It has a pitch diameter of 55 mm, outside diameter of 57 mm, face width of 8 mm, and total length of 18 mm. The allowable torque is 0.18 N·m (0.18 kgf·m), with backlash ranging from 0.10 to 0.18 mm. It meets JIS grade N7 (JIS B1702-1:1998) precision standards. The keyway conforms to JIS B1301 Js9 tolerance.
Module 1, 55 Tooth Ground Steel Spur Gear with 20mm 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 | KSSG1-55J20 | KSSG1-55J20 |
| Product Name | Metal Spur Gears (metric) | Module 1, 55 Tooth Ground Steel Spur Gear with 20mm 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 |
