FYH Bearing UCF313 65mm Square Flanged Mounted BearingUCF313 Square Flanged Mounted FYH Bearing Cylindrical bore (with set screws) 65mm Inner Diameter Bearing 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 Rotating drum, rotating roller, precise mounting accuracy is required UCF313 FYH Ball Bearing Mounted FYH Ball Bearing Bolt Size: M20 Bearing Inner Diameter: 65mm Bearing No: UC312 Basic Dynamic