... 2.Grade H6 3.Promot delivery 4.non-standard available Standard or non-standard Rod End BearingsProduct Feature1 Precision: H6 ... Body material: 45#steel6 Ball material: Gcr157 Standard or non-standard available8 Series: SI..T/K, SA..T/K, ... NOS, CF, CM, CF..T, CM..Y, XF..L, XM..L, GIR..DO, GAR..DO, GIR..C, GAR..UK, SQZ ... ball slide, needle bearing, ball screw. Standard or Non-standard Rod End Bearings