KSSA2.5-55 is a steel hubless spur gear with a module of 2.5, 55 teeth, a pitch diameter of 137.5 mm, an outer diameter of 142.5 mm, and a tooth width of 22 mm. It has a 20° pressure angle, standard full-depth teeth, and is made from S45C steel with a hardness under 194 HB. The gear meets JIS grade N8 precision per JIS B1702-1:1998. Its allowable torque is 49.1 N·m (5.01 kgf·m), with a theoretical backlash range of 0.18 to 0.40 mm. The bore diameter is not specified for this variant.
Module 2.5, 55 Tooth Mild Steel Hubless Spur Gear with Plain 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 | KSSA2.5-55 | KSSA2.5-55 |
| Product Name | Metal Spur Gears (metric) | Module 2.5, 55 Tooth Mild Steel Hubless Spur Gear with Plain Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 55 | 55 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Steel | Steel; Carbon Steel |
