Bearing 168-8451 1688451 for caterpillar 323D.
168-8451 bearings are used in the reduction gearbox system of Caterpillar heavy machinery equipment：311C, 315C, 315D L, 318B, 318C, 318D L, 319C, 319D, 319D L, 319D LN, 320B, 320C, 320C FM, 320C L, 320D, 320D FM, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 321B, 321C, 321D LCR, 322B, 322B LN, 323D
