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Posted by on Jan 22, 2014 in Woodworking Tips and Tricks | 0 comments

Rabbet Bit Bearing Size

Here is a quick and simple way to know what size bearing to use for different Rabbet Bit depths

To determine the correct bearing size for a Rabbet Bit 
Take the O.D. of the rabbet bit minus the desired rabbet depth times 2
Here is an example:

OD of bit  = 1-3/8″

Desired rabbet times 2
1/2″  rabbet * (x) 2= 1″

1 3/8″ – 1″ = 3/8 bearing od needed  for a 1/2″ rabbet

Of coarse you will need to measure you bit to figure out the correct I.D. of the bearing

Here is a link to Amana Tools List of common router bit bearings

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