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320/28 RS RICH 28x52x16
320/28 RS RICH Tapered Roller Bearing – single row design. Dimensions 28 x 52 x 16 mm, inner ring width 16 mm, outer ring width 12 mm, weight 0.159 kg. OE references YAMAHA 93332-00067, 93332-00078. Interchange KOYO 320/28 JR RS. Ensures combined load support, precision, and long service life.