Because the V-seal is all rubber, it is very forgiving with regard to tolerances. For example, the same size V-seal made to fit a 1” diameter shaft (V 25A) will fit any shaft, inch or metric, between .95” and 1.07”.
The recommended fitting width (B1) of this same seal is .24”, but the tolerance on this dimension is +/- .03”. The V-seal can accept mis-aligned and even out-of-round shafts. It can accept shaft wobble within limits.
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