we are professional precision bearing manufacturer，specialized in P4, P2 machine tool bearings,spindle bearings. precision ball screw bearing BSD2047 20*47*15MM products range areAngular contact ball bearings, screw ball bearings,double row cylindrical roller bearings, double direction thrust angular contact bearings, high-speed spindle bearings, hybrid ceramic bearings and bearing with seal or open type. 70 Series: 7001C (AC) -7084C (AC) 72 Series: 7200C (AC) -7248C (AC) 73 Series: 7303BTN-7328BTN 718 Series: 71800C (AC) -71848C (AC) 719 Series: 71900C (AC) -71996C (AC) H719 Series: H 71900C (AC)-H71992 7602 Series: 760201TN1-760226TN1 7603 Series: 760301TN1-760326TN1 TAC series:15TAC47B-100TAC150B HSS70 Series: HSS7000C -HSS7034C NN300 Series: NN3003-NN3048 2344BM 1 Series :234408-234448 Ceramic Ball Bearings: 7000HQI,7200HQ1,71900HQ1 Series ZKLF Series