HC211-55mm Bearing Insert - eccentric Collar 55mm MountedHC211 55mm Bearing Insert Eccentric Locking Collar 55mm Inner Diameter HC211 55mm Bearing Insert, Bearing is Standard load capacity, bearing is Wide inner ring with spherical outer ring, Bearing is relubrication groove with oil hole on set screw side, bearing has oil hole opposite groove makes it interchangeable with all manufacturers, bearing is nylon patched class 3A set screw, Standard seal is R Seal. HC211 55mm Bearing Bearing Insert with