... , N236, NJ315, NF216 ,NNCF2218, NNF5008, SL185032…MaterialGCr15CertificateISO9001:2001PrecisionP0, P6, P5Bore Size:20mm-160mmOutside diameter40mm-400mmClearanceC0,C1,C2,C3,C4,C5 etc ... , 2Z, 2RZ etc also including deep groove ball bearing,taper roler bearing,cylindrical roller beqaring,spherical roller bearing,angular contact ball bearing,thrust bearing and so onContact as follow ...