What's engine crankshaf bearing?

Crankshaft bearing is installed on the fixed bracket of the crankshaft and cylinder block, the bearing and lubricating tiles are usually called.

The crankshaft is a bushing assembled when the crankshaft rotates between the cylinder block and the connecting rod. It is installed on the main journal and the connecting rod journal. The main function of the crankshaft is to produce an oil film with the oil, so that the crankshaft will be suspended in a kind of oil at high speed. High-speed rotation, while dissipating the generated heat

Function

Load the force exerted by the journal, keep the oil film stable, make the bearing work smoothly and reduce the friction loss of the bearing.

How to choose crankshaft bearing?

When selecting bearing bushes, the fit clearance must be checked. During the inspection, measure the bearing bush and journal with the measuring cylinder meter and micrometer, and the difference is the fit clearance. The inspection method of the matching clearance of the bearing bush is: coat the surface of each journal and crane bearing bush with oil, tighten the bolts according to the specified torque value of the crankshaft, pull the crankshaft with both hands, and the crankshaft can rotate 1/2 circle, and the rotation is light and easy. Uniformity without blocking phenomenon is suitable.

Foton Cummins engine crankshaft bearing

http://www.autopartsc.com/