Module 3, 55-tooth ground spur gear with plain bore, available in J30, J32, J35, J40, J45, and J50 bore variants, each with a keyway of 8x3.3 mm, 10x3.3 mm, or 14x3.8 mm, and a set screw. Made of S45C steel with induction-hardened tooth surfaces at 50-60 HRC, precision grade JIS N7 per JIS B1702-1:1998. Allowable torque is 5.76 N·m (0.59 kgf·m), with theoretical backlash of 0.14-0.24 mm. Is not subject to secondary operations on tooth areas due to induction hardening. Total length varies by bore, ranging from 171 mm for J35 to 171 mm for J50, with 50 mm face width and 20 mm hub width using standard full-depth teeth and 20° pressure angle.
Module 3, 55 Tooth Ground Steel 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°
For custom components or modifications
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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 | KSSG3-55 | KSSG3-55 |
| Product Name | Metal Spur Gears (metric) | Module 3, 55 Tooth Ground Steel 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; Hardened; Hardened Carbon Steel |
