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KHK Gears
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Caution 1:
The appearance of the gears in the image shown at the top is for visual reference only and does not necessarily correspond to the actual appearance of this gear. Please refer to the drawings shown here for the appearance and dimensions of this gear.
Caution 2:
Allowable bending strength and surface durability in the table on right are a calculated reference value according to the assumed usage conditions. Please see our catalogue for more details or use the strength calculation software by clicking the button above.
Catalog Number
Reference Section of Gear
Number of Teeth
Pitch Diameter (mm)
Bore Diameter (mm)
Bending Strength (Nm)
Surface Durability (Nm)
Precision Grade
Pressure Angle
Tooth Finish
Heat Treatment
Tooth Hardness
Helix Hand
Helix Angle
Catalog Number Material Module Number of Teeth Pitch Diameter (mm) Bore Diameter (mm) Tooth Finish Helix Hand

Helical Gears

Please select a helical gear from the drop down menu on the left

Helical Gears

Please click on SEARCH button above

After selecting a gear model number, the following functions are available :

- Drawing for printing
- Download 3DCAD files
- Download DXF file
- Online strength calculation
- Online modification on the screen
- Download PDF catalog
- Other detailed technical data

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