These are the same high quality industrial bearings that come as original equipment on Whiteside's bearing mounted router bits. Use them to replace worn out bearings, interchange with existing bearings to automatically change cutting depths, or add them to bit shanks to make bits bearing guided for template or pattern work. Be sure to add the appropriate size lock collar (either #RLC14 or #RLC12) when adding bearings to bit shanks. This bearing is under-sized for use on re-sharpened bits. Bearings sold per each (singles). Made by Whiteside. USA
OD = Outer Diameter. ID - Inner Diameter.
.490" OD X 1/4" ID
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