T-144 Timken Tapered Roller Thrust Bearing T144 / Caterpillar 4B-5178 / 4B5178 LOT OF 4. Bearing Type Thrust Tapered Roller Bearings - TTC. D - Bearing O.D. 2.6250 in 66.675 mm. T - Bearing Width 0.7656 in 19.446 mm.
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