The Dodge F2B-SC-100-NL is part of the SC Series, and is a normal-duty 2-bolt cast iron flange unit. It features a 1" shaft size with a set screw locking inner ring. Like the other bearings from Dodge, this unit meets all UL, AFBMA, AGMA, ASMMA, BSA, CMA, MPTA, and PTDA standards!