Steel hubless spur gear with module 3, 55 teeth, and S6 tooth profile, designed for power transmission. It has a 80 mm outer diameter, 171 mm outside diameter, 30 mm bore, and 131 mm pitch diameter. The gear is made of S45C steel with a tooth hardness of less than 194 HB, features a 20° pressure angle and standard full-depth teeth, and meets JIS Grade N8 precision (JIS B1702-1: 1998). The allowable torque is 86.9 N·m (8.86 kgf·m), with backlash ranging from 0.20 to 0.44 mm. Weight is 4.34 kg. Secondary operations that reduce tooth width are discouraged due to risk to precision and strength.
Module 3, 55 Tooth Mild Steel Hubless Spur Gear with 45mm 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 | KSSA3-55J45 | KSSA3-55J45 |
| Product Name | Metal Spur Gears (metric) | Module 3, 55 Tooth Mild Steel Hubless Spur Gear with 45mm Finished Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 55 | 55 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Steel | Steel; Carbon Steel |
