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Description
ISB slewing bearings in the NB1 standard series have one row of four contact point ball bearings with spacers in Nylon and no gear teeth.
They are comprised of forged rings, which are machined to form a very rigid structure, with a deep fixing hole that maximises the performance of the structure.
ISB slewing bearings in the NB1 standard series have standard market dimensions with single upper and lower lip seals in NBR. They are supplied pre-greased.