Main & Conrod Bearing

Main & Conrod Bearing

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The excavator conrod bearing is installed between the connecting rod and crankshaft journal to reduce friction and ensure smooth piston movement.

The engine main bearing supports the crankshaft and helps maintain stable engine rotation under heavy loads.

A reliable engine bearing system helps:

Reduce engine friction

Maintain stable oil clearance

Improve engine efficiency

Prevent abnormal wear

Extend engine service life

Proper oil lubrication and bearing tolerance are essential for preventing engine damage and maintaining performance. Engine rebuild professionals commonly emphasize checking bearing clearances to ensure correct fitment.