Online cylinder cones are GB/T4663, what do you mean?
Which size do you want, eldest brother? How do I make so much?GB/T: recommended national standards; GB: mandatory national standards4663: taper roller national standard codeThere is a missing release year later!It should be: GB/T 4663-1994
National standard GB 4663-1984, roller bearings, thrust cylindrical roller bearings, size, please check the mechanical design manual (Fifth Edition), second volumes --- commonly used rolling bearings, dimensions and performance parameters / thrust roller bearings.
Which size do you want, eldest brother? How do I make so much?GB/T: recommended national standards; GB: mandatory national standards4663: taper roller national standard codeThere is a missing release year later!It should be: GB/T 4663-1994