Technician A says that many bearings also have a thin overlay of babbitt. Technician B says that bearings should have spread and crush to keep them from spinning when the crankshaft rotates. Who is right?

Question

Quizplus · Accepted Answer

Both statements by Technician A and Technician B are correct. Many bearings do have a thin overlay of babbitt, which is a soft alloy used for its compatibility and embeddability properties. Bearings also need spread and crush to ensure they stay in place and do not spin independently of the crankshaft.

Technician a Says That Many Bearings Also Have a Thin