上海荣升机械设备有限公司(角接触推力球轴承BSA BSD 系列）
BSA201CG BSA202CG BSA203CG BSD2047CG BSA204CG BSD2562CG BSA205CG
BSA305CG BSA206CG BSD3062CG BSA306CG BSA307CG BSA207CG BSD3572CG
BSD4072CG BSA308CG BSA208CG BSD45100CG BSA210CG BSD50100CG
BSD55100CG BSD55120CG BSA212CG BSD60120CG BSA215CG