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Clevite Engine Parts

Clevite P-Series Main Bearings

4.57 out of 5 stars 253 Customer Reviews

Clevite P-Series main bearings are the oldest members of the Clevite 77 bearing family and are intended for high-revving engines. To compensate for the high-load fa
Clevite P-Series main bearings are the oldest members of the Clevite 77 bearing family and are intended for high-revving engines. To compensate for the high-load factors and distortion in these engines, these bearings have higher eccentricity and a high crush factor. P-Series bearings are constructed of tri-metal cast copper lead. They have a steel back for support, a cast copper lead lining to withstand the loads of engine operation, and an electroplated babbit overlay on the running surface to provide searing surface qualities. In addition, the oil grooves on most applications extend all the way around both halves
Clevite P-Series main bearings are the oldest members of the Clevite 77 bearing family and are intended for high-revving engines. To compensate for the high-load factors and distortion in these engines, these bearings have higher eccentricity and a high crush factor. P-Series bearings are constructed of tri-metal cast copper lead. They have a steel back for support, a cast copper lead lining to withstand the loads of engine operation, and an electroplated babbit overlay on the running surface to provide searing surface qualities. In addition, the oil grooves on most applications extend all the way around both halves for better oiling.

Clevite P-Series main bearings are an ideal design, producing a degree of conformability, embedability, slipperiness, and fatigue resistance, not found in original equipment and competitive bimetal bearings.

Showing In Stock Items. Show All 12 Items.

Results 1 - 5 of 5

Clevite P-Series Main Bearings MS-909P

Clevite P-Series Main Bearings MS-909P

Clevite P-Series Main Bearings MS-909P

Main Bearings, P Series, 1/2 Groove, Standard Size, Tri Metal, Chevy, Small Block, Set of 5

Part Number: CLE-MS909P

4.67 out of 5 stars ( 24 )

Estimated Ship Date: Today

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Clevite P-Series Main Bearings MS-909P-10

Clevite P-Series Main Bearings MS-909P-10

Clevite P-Series Main Bearings MS-909P-10

Main Bearings, P Series, 1/2 Groove, .010 in. Crankshaft Undersize, Tri Metal, Chevy, Small Block, Set of 5

Part Number: CLE-MS909P10

4.85 out of 5 stars ( 27 )

Estimated Ship Date: Today

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Clevite P-Series Main Bearings MS-909P-20

Clevite P-Series Main Bearings MS-909P-20

Clevite P-Series Main Bearings MS-909P-20

Main Bearings, P Series, 1/2 Groove, .020 in. Crankshaft Undersize, Tri Metal, Chevy, Small Block, Set of 5

Part Number: CLE-MS909P20

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Clevite P-Series Main Bearings MS-1039P

Clevite P-Series Main Bearings MS-1039P

Clevite P-Series Main Bearings MS-1039P

Main Bearings, P Series, 1/2 Groove, Standard Size, Tri Metal, Ford, 429-460, Set of 5

Part Number: CLE-MS1039P

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Clevite P-Series Main Bearings MS-590P-30

Clevite P-Series Main Bearings MS-590P-30

Clevite P-Series Main Bearings MS-590P-30

Main Bearings, P Series, 1/2 Groove, .030 in. Undersize, Tri Metal, Ford, Small Block, Set of 5

Part Number: CLE-MS590P30

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

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