FYH Bearing UCF308-24 1 1/2 Square Flanged Mounted BearingsUCF308 24 FYH Bearing Square Flanged Mounted Bearing Cylindrical bore (with set screws) 1 1 2" Inner Diameter This heavy duty four bolt flange unit has a round cartridge on the backside of the flange which allows for precise mounting and alignment. Applications are Rotating drum, rotating roller and when precise mounting accuracy is required. Item: UCF308 24 Bearing Type: Four bolt Flanged Bearing Bolt Size: 5 8" inch Basic Load (Cr): 40. 7 KN Basic