With two structures of bore cylindrical or tapered and retainers made of steel sheetor synthetic resins, the bearings are characteristic of their spherically formedouter ring raceways allowing for misalignment within 3 degree deflection betweeninner ring and outer ring, so as to compensate concentricity and deflectionerrors.Industrial packing / box packing / according to customer's requirement producing area:China payment:T/T deposit, L/C at sight