... at high speeds. These radial bearings often come with shields or seals to protect the inside of the bearing from contamination in ... , AISI440C, AISI304, AISI316 Retainer: PTFE, nylon, PEEK or (stainless)steel 5. Versions: With one or two side rubber seal RS, 2RS With ... , 6404, 6405, 6406, 6407, 6408, 6409, 6410, 6411, 6412 - ZZ or 2RS Designations 16030M, 6030, 6030/C9, 6030M, 6230, 6230M, 6330 ...