KSSG2.5-55J25 is a ground spur gear with a module of 2.5, 55 teeth, and a 25 mm bore diameter. It has a pitch diameter of 137.5 mm, an outside diameter of 142.5 mm, a face width of 25 mm, and a hub width of 18 mm. The total length is 43 mm. The gear is made of S45C steel with induction-hardened tooth surfaces (50-60 HRC), meets JIS grade N7 precision (JIS B1702-1:1998), and has a keyway sized 8 mm wide by 3.3 mm deep with an M6 set screw. Allowable torque is 262 N·m (26.8 kgf·m), and backlash ranges from 0.14 to 0.24 mm.
Module 2.5, 55 Tooth Ground Steel Spur Gear with 25mm 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 | KSSG2.5-55J25 | KSSG2.5-55J25 |
| Product Name | Metal Spur Gears (metric) | Module 2.5, 55 Tooth Ground Steel Spur Gear with 25mm 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 |
