Clevite 77
SH1980S
Clevite 77 SH1980S Camshaft Brng Set
EAN: 0027067186256
UPC: 027067186256
SKU: SH1980SCKC
Cam Bearings
Camshaft Bearing
Standard Journal
AMC 4/6-Cylinder
Jeep Clevite B-1, Bi-Metal Cam Bearing Set fits the following:150 CID 2.5L 4 cylinder 1983-2002,232 CID 3.8L American Motors 6 cylinder 1965-1978,258 CID 4.2L American Motors 6 cylinder 1971-1990,242 CID 4.0L 6 cylinder 1987-2001.Chrysler Clevite B-1, Bi-Metal Cam Bearing Set fits the following:150 CID 2.5L Jeep 4 cylinder 1996-2002,150 CID 2.5L SOHC Renault 4 cylinder 1988-1989.Clevite B-1 Cam Bearings are B-60 Steel backed bearing with a conventional babbit liningClevite Cam Bearing Set part number: SH1980S (Standard)The first commonly used bearing material was an alloy of lead, tin, antimony and arsenic called Babbitt which was named after its inventor. Babbitt has physical properties similar to solder. Its soft which allows it to conform to minor imperfections in geometry and alignment of mating parts. This softness also allows Babbitt to absorb dirt and wear particles that might pass through the bearings clearance space. Babbitt is also very slippery which minimizes friction in the absence of oil during startup. Although Babbitt is the best bearing material based on its surface behavior, it has one serious shortcoming. By itself, in thick layers, Babbitt cannot carry high loads for long periods. Under the repeated cyclic loading of an internal combustion engine Babbitt will break up and flake out. This reaction to cyclic loading is called Fatigue. Bearings are typically constructed with a steel backing to provide support and allow the bearing shells to be an interference fit with their housing. The earliest insert bearings were Bi-metal construction with a lining of Babbitt. As mentioned above, although Babbitt offered optimum surface behavior, it lacked fatigue strength. It was found however, that the fatigue strength of Babbitt could be significantly improved by reducing its thicknes. Clevite B-1 Cam Bi-metal MICRO BABBITT bearings use a thinner layer of Babbitt lining to provide better fatigue resistance, and Tri-metal bearings which use
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