KSSA2.5-56 is a steel hubless spur gear with module 2.5, 56 teeth, and a pressure angle of 20°, made from S45C material with a tooth hardness of less than 194HB. It has a tooth width of 22 mm and an outer diameter of 145 mm. The gear is precision-rated at JIS grade N8 (JIS B1702-1: 1998), with a theoretical normal backlash of 0.18~0.40 mm and an allowable torque of 5.20 N·m (0.53 kgf·m). The bore is plain and unlisted in the table for this size. The gear is mounted with an S6 letter designator indicating a specific dimensions profile for larger modules.
Module 2.5, 56 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 | KSSA2.5-56 | KSSA2.5-56 |
| Product Name | Metal Spur Gears (metric) | Module 2.5, 56 Tooth Mild Steel Hubless Spur Gear with Plain Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 56 | 56 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Steel | Steel; Carbon Steel |
