FYH Bearing UCF311-32 2 Square Flanged Mounted BearingsUCF311 32 FYH Bearing Square Flanged Mounted Bearing Cylindrical bore (with set screws) 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: UCF311 32 Bearing Type: Four bolt Flanged Bearing Bolt Size: 3 4" inch Basic Load (Cr): 71. 6 KN Basic Load