VÒNG BI-BẠC ĐẠN-32315-32303-32304-32305-32306-32307-32308-32309-32310-32311-32312-32313-32314-32315-32316-32317-32318-32319-32320-32321-32322-32323-32324-32325-32326-32327-32328-32329-32330-NTN-NSK-KOYO-FAG-NACHI-SKF