Inch miniature ball bearings are also called inch miniature bearings,inch mini bearings or inch mini ball bearings in difference places.Inch miniature ball bearings are referred to miniature ball bearings with a inch dimension from a bore size  1/25″(1.016mm) to 1/2″(12.7mm).Runstar is a professional stainless steel inch miniature ball bearings manufacturer in China. The stainless steel material can be 440(9Cr18),420(9Cr13),as well as 316 stainless steel for special application. Compared with ordinary inch miniature ball bearing with chrome steel,stainless steel inch miniature ball bearings can keep from corrosion caused by some acids or moisture,and stainless steel inch miniature ball bearings have obvious advantages of stable operation, low noise, low magnet, wide application, excellent anti-corrosion and anti-rust properties. We can supply stainless steel inch miniature ball bearings with open type,with shields or with rubber seals. The precision tolerance of stainless steel inch miniature ball bearings can be from ABEC-1 to ABEC-7 for choice. The They are widely used in the fields of medical equipment, cryogenic engineering, optical instruments, high-speed machine tools, high-speed motors, printing machinery, food processing machinery etcs.