... ,NNCF2218, NNF5008, SL185032…MaterialGCr15SiMn, GCr15, G20Cr2Ni4ACertificateSGS, ISO9001:2000PrecisionP0, P6, P5, P4, P2 ID Size:5mm-1600mmClearanceC0,C1,C2,C3,C4,C5 ... machines such as follw: 2012 HOT Sale cylindrical roller bearing with reasonable price