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๐ข Deep groove design for radial loads
Pre-greased and sealed for low-maintenance operation
6321 width is 49mm
62mm (13/16") width
R155ZZ outer diameter is 5/16" and the R155ZZ width is 1/8"
6004 Full Complement Full Ceramic Bearing 20x42x12mm ZrO2 Outer Diameter - 1 inch (1") ๐ข Deep groove design for6004 Full Ceramic Ball Bearing No Cage Design 20mm x 42mm x 12mm ZrO Full Complement This 6004 full complement ceramic ball bearing is made entirely from zirconium oxide (ZrO), offering exceptional corrosion resistance, high temperature tolerance, and low friction. With no cage between the ceramic balls, it maximizes load carrying capacity while running ultra smooth. Ideal for chemical, food grade, or high speed electrical applications. Size: 20mm x