Clevite Rod Bearings GM 249 4.1L 1982-1987 .010in. Set Of 8

Description

Clevite Rod Bearings GM 249 4.1L 1982-1987 .010in. Set Of 8
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Description
Brand: Clevite
Part Number: CB1351P10
Condition: New
General Motors Clevite 77, Tri-Metal Connecting Rod Bearings fit the following:
249 CID 4.1L Cadillac V8 cylinder 1982-1987,
252 CID 4.1L Cadillac V8 cylinder 1987-1988,
273 CID 4.5L Cadillac V8 cylinder 1988-1992,
300 CID 4.9L L26 Cadillac V8 cylinder 1991-1995.
Clevite Tri-Metal 77 Connecting Rod Bearings combine the strength of a copper-lead alloy (Bi-Metal) layer with steel backing and an electro-plated Micro Babbitt metal as an overlay.
Clevite Connecting Rod Bearing part number: CB1351P10  (0.010in. / 0.25mm Oversize)
The steel backing on the Clevite Tri-Metal 77 Connecting Rod Bearings provides strength and durability. The Bi-Metal Babbitt overlay provides the conformability and Load Capacity. The Third layer - Micro-Babbitt overlay provides the critical surface Embedability & Conformability and has far more forgiveness than bi-metal.
This ideal design has properties not found in many original equipment bearings.
I
n most cases Clevite Tri-Metal 77 Bearings are an upgrade over a stock bearing, or three times better
.
It takes Three Layers to be Number One, and Clevite 77 Tri-Metal Bearings are it !
Engineering quality engine bearings involves a number of interdependent factors. Here is how Clevite 77’s Tri-Metal cast copper lead material compares to bi-metal bearings on the most important of these factors:
Seizure Resistance:
Tri-Metal bearings have significantly greater seizure resistance than bi-metal bearings, by as much as 40%.
Load Capacity:
Tri-Metal bearings can withstand much higher loads for longer periods of time as compared to bi-metal bearings, over 60% higher loads.
Embeddability & Conformability:
The overlay on a Tri-Metal bearing offers a far more forgiving surface than bi-metal bearings. This feature may not be as critical during OE assembly as it once was, but it does offer additional protection that can be extremely beneficial in maintaining your engine.
Durability:
Clevite 77’s Tri-Metal bearings not only exceed light vehicle OE durability requirements of 150,000 miles, they also exceed heavy vehicle OE durability requirements of 300,000 miles.
Tolerances:
Because the surface layer of a Tri-Metal bearings adds an additional manufacturing step, Clevite regularly holds wall sizes to within .0005” as compared to a bi-metal that can be held to within .0003”.
Not all Tri-metal engine bearings are the same - so if you want the strongest, highest quality engine bearings, ask for the original Clevite 77 Tri-Metal Engine Bearings.
Material:
TM-77
Min. Std. Shaft Diameter:
1.9269"
48.9433mm
Max. Std. Shaft Diameter:
1.9279"
48.9687mm
Min. Vert. Oil Clearance:
0.0008"
0.0203mm
Max. Vert. Oil Clearance:
0.0034"
0.0864mm
Max. Wall:
0.0620"
1.5748mm
Min. Brg. O.D. or Housing Bore:
2.0524"
52.1310mm
Max. Brg. O.D. or Housing Bore:
2.0530"
52.1462mm
Max. Length:
0.6640"
16.8656mm
When installing any bearing
DO NOT ATTEMPT TO POLISH THE BEARING RUNNING SURFACE WITH ANY TYPE OF ABRASIVE PAD OR PAPER.
Bearing overlay layers are extremely soft and thin, typically .0005” on high performance parts.
These thin layers can easily be damaged or removed by abrasive media. Because the overlay layer is electroplated,
it may exhibit microscopic plating nodules that make it feel slightly rough.
The nodules are the same material as the rest of the plated layer and will quickly be flattened by the shaft.
This Part Fits The Following Vehicles
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