KSSG3-42J45 is a ground spur gear in the J series, with a module of 3, 42 teeth, and a 45 mm pitch diameter, designed for precision motion transmission. It has a bore diameter of 30 mm, face width of 50 mm, and total length of 132 mm, with a keyway of 14 mm width by 3.8 mm depth compatible with JIS B1301 Js9 tolerance. The gear is made from S45C steel with induction-hardened tooth surfaces at 50-60 HRC and meets JIS grade N7 precision (JIS B1702-1:1998). Backlash is specified as 0.14-0.24 mm for a meshed pair. Secondary operations are prohibited on the tooth area due to induction hardening. A set screw is included, sized M10. The gear requires a lead time of up to five working days as a requested product, with order quantities limited to 1-20 units.
Module 3, 42 Tooth Ground Steel 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°
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 | KSSG3-42J45 | KSSG3-42J45 |
| Product Name | Metal Spur Gears (metric) | Module 3, 42 Tooth Ground Steel Spur Gear with 45mm Finished Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 42 | 42 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Steel | Steel; Hardened; Hardened Carbon Steel |
