... :30% TT advance,and balance against BL COPY B: 100% LC AT SIGHTServicesOEM ServicesPackingSingle color box,or according to customer ... Serives Series Bore diameter(mm) Variant structure61800 10-320 Z,ZZ,RS, 2RS 61900 10-280 Z, ZZ,RS, 2RS, N ... ,NR,ZN,ZNR16000 10-260 6000 10-260 Z, ZZ,RS, 2RS, N,NR,ZN,ZNR ... 6200 10-220 ZZ,RS, 2RS, N,NR,ZN,ZNR 6300 10-190 ZZ,RS, 2RS, N,NR,ZN,ZNR 6400 10-100 N ...