Timken RA108RRB Eccentric Locking Insert Ball Bearing

The Timken Fafnir RA108RRB insert ball bearing with an eccentric locking collar provides reliable shaft support for a 1-1/2 inch rotating shaft in mounted bearing units within industrial power transmission systems, commonly used in conveyors, agricultural equipment, packaging machinery, fans, blowers, and material handling equipment. It is a standard RA-RRB Series deep groove insert bearing designed for self-alignment in compatible housings, featuring a spherical outside diameter and molded shroud seals for secure shaft retention and initial alignment. Key specs include bore diameter 1.500 in (38.1 mm); outside diameter 3.150 in (80 mm); inner ring width 1.188 in (30.18 mm); overall width B1 1.720 in (43.7 mm); outer ring width 0.827 in (21 mm); cylindrical bore; bearing steel construction; and factory prelubricated, non-relubricatable operation. Dynamic radial load rating 8,130 lbf (36,200 N) and static radial load rating 4,460 lbf (19,800 N). The bearing is identified by MPN RA108RRB from Timken Fafnir and belongs to the RA-RRB Standard Series; common replacements include Timken RA108RR, Timken G1108KRRB, and NTN AEL208 equivalents.