KSS3-56J40 is a steel spur gear with a module of 3, 40 teeth, and a 12 x 3.3 mm keyway using an M8 shaft hole. It is made of S45C steel with JIS grade N8 precision (JIS B1702-1: 1998), a 20° pressure angle, and standard full-depth teeth. The gear has a bore diameter of 56 mm, an outside diameter of 168 mm, a face width of 16 mm, and a weight of 90.3 grams. Backlash is specified as 0.20 to 0.44 mm. The keyway conforms to JIS B1301 Js9 tolerance. A set screw is included. The part is available as an order-on-request item with a lead time of five working days and a maximum order quantity of 20 units per order.
Module 3, 56 Tooth Mild Steel Spur Gear with 40mm 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
to a standard part, call us or submit an RFQ.
REQUEST A QUOTE
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 | KSS3-56J40 | KSS3-56J40 |
| Product Name | Metal Spur Gears (metric) | Module 3, 56 Tooth Mild Steel Spur Gear with 40mm Finished Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 56 | 56 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Steel | Steel; Carbon Steel |