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Outside dimension of hub liner should be same as inside of where the liner is inserted and a snug fit.
Office chair base hub liner
Large Flange
1 7/32" outside tube diameter
4 1/16" high
Has a tight 1" inside diameter center hole which may have to be reamed (drilled) to fit
White color
Nylon
Chair Hub liner-Nylon
1 7/32" (1.218) outside diameter.
1" (1.010) inside diameter of center hole.
Round tube 3.218" long
Walls of 1" (ID) hole are supposed to be smooth and not threaded.
Tip! For Stubborn installations-Make two 3" long saw or knife cuts at bottom 180° from each other
