1, inch taper roller bearing, 2, Dimension(mm):75*160*51 3, 30204 to 30318, 4, 32004X SERIES supplied 1, inch taper roller bearing,2, Dimension(mm):75*160*513, ABEC-1,material:bearing steel4, 30202 to 30218,30303 to 303185, 32004X to 32018X,6, LM1749/10 L68149/10,etc. inch taper roller bearing