HCR201-12mm Bearing Insert 12mm MountedThis item will be shipped within One Week Returns Subject to 15% restocking Fee HCR201 12mm Bearing Insert Eccentric Locking Collar 12mm Inner Diameter HCR201 12mm Bearing Insert, Bearing is Standard load capacity, bearing is Wide inner ring with Cylindrical outer ring, Bearing is Non relubrication, bearing has oil hole opposite groove makes it interchangeable with all manufacturers, bearing is nylon patched class 3A set screw, Standard seal is R