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Spur Gears

Tools, Calculations & References

Spur Gear
Configurations

Spur gears typically come in four configurations (not including shaft configurations, which are too numerous to categorize) (Click on image to enlarge it)

Style A

Style A spur gears are flat gears with no hubs.

Style B

Style B spur gears have a hub projecting from one side.

Style C

Style C spur gears have a hub on each side of the face.

Web Style

Web style spur gears may have no hubs, hubs on one side or a hub on each size. Hub style spur gears typically have the web configuration to reduce weight and may also contain several holes in the web section to further reduce weight.

 

Spur Gears

See Spur Gear Tooth Geometry Calculations

Akron Gear
& Engineering, Inc

Spur gears from 1/2" diameter to 120" in diameter

Up to AGMA Class 12

Standard and Metric Pitches

Diametral Pitch
Circular Pitch
Module

Contact Akron Gear For You Spur Gear Projects
Or Visit Our Online Quote Request

Spur Gear Calculators

Outside Diameter - Standard Full Depth Spur Gear:

You know Number Of Teeth and Diametral Pitch (DP)

Number of Teeth:

Pitch (DP):            

   Outside Diameter: In Inches


You know Number Of Teeth and Circular Pitch (CP)

Number of Teeth:

Pitch (CP):           

    Outside Diameter: In Inches


You know Number Of Teeth and Module (Mod)

Number of Teeth:

Module:                

        Outside Diameter: In Inches


Outside Diameter - American Standard 20˚ Stub Tooth

You have the Number Of Teeth and Diametral Pitch (DP)

Number of Teeth:

Pitch (DP):            

       Outside Diameter: Inches


Outside Diameter - Fellows Stub Teeth

You have the number of teeth and the diametral pitch

Number of Teeth: 

Pitch Numerator:   

Pitch Denominator:

      Outside Diameter: Inches


Contact Akron Gear for all of your spur gear needs.

 

 

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