7C-6973 Caterpillar Main Bearing, .75mm Undersize, – Part No. 7C-6973| 3114, 3116, 3129

The Caterpillar Main Bearing 7C-6973 is a .75mm undersize bearing designed for Caterpillar 3114, 3116, and 3129 engines. This bearing compensates for crankshaft wear by restoring the correct clearance between the main bearing and crankshaft. Constructed from high-quality alloy steel, the 7C-6973 bearing provides excellent durability, optimal load-bearing capacity, and long-term reliability. It is built to perform under heavy-duty industrial, construction, and agricultural applications, ensuring smooth engine operation, reducing friction, and extending engine life.