Main Bearings
Circle Track Main Bearings at JJ Motorsports
Main bearings support the crankshaft's weight and rotation, providing durability and stability under high loads in circle track racing. Designed for late models, modifieds, and street stocks, these bearings ensure consistent performance and longevity in demanding IMCA, USMTS, and dirt oval conditions, available in coated and extra clearance options for Small Block Ford and GM LS-Series engines.
Shop trusted brands like MAHLE ORIGINAL/CLEVITE for coated H-Series sets, KING BEARINGS for high-performance options, and ACL BEARINGS for reliable bearings. Explore related categories such as Circle Track Engine Bearings for complete bearing solutions or Circle Track Engines and Components for additional upgrades.
Top Circle Track Main Bearings
- Coated Main Bearing Set MS-590HC – Main Bearing H-Series Standard Coated Small Block Ford.
- Main Bearing Set GM LS MS-2411HX – Main Bearings H-Series Standard Extra Oil Clearance GM LS-Series.
- Main Bearing Set GM LS Coated MS-2411HC – Main Bearings H-Series Standard Coated GM LS-Series.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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Main Bearing Set KEBMB557HP010
KING BEARINGS
$69.99Main Bearing Set - MB 557HP 010 Designed for high-performance applications 0.010 in undersize for precise fit Compatible with Small Block Chevy engines Durable construction for enhanced longevity Optimized for reduced friction and...KEBMB557HP010- SKU:
- KEBMB557HP010
- Availability:
- Ships Same Business Day
- Weight:
- 1.12 LBS
- MFG Part #:
- MB 557HP 010
$69.99 -
Main Bearing Set KEBMB557HP001
KING BEARINGS
$75.99Main Bearing Set Main Bearing - HP - 0.001 in Undersize - Small Block Chevy - KitKEBMB557HP001- SKU:
- KEBMB557HP001
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- MFG Part #:
- MB 557HP 001
$75.99 -
Main Bearing Set MB 557HP
KING BEARINGS
$69.99Main Bearing Set - MB 557HP High-performance main bearing set designed for durability Compatible with Small Block Chevy engines Standard size for optimal fit and function Includes all necessary components for a complete installation Engineered for HP...KEBMB557HP- SKU:
- KEBMB557HP
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- MFG Part #:
- MB 557HP
$69.99 -
Main Bearing Set MB 509SI
KING BEARINGS
$37.99Main Bearing Set MB 509SI High-quality main bearings for reliable engine performance Designed specifically for Small Block Chevy applications Alecular SI material for enhanced durability Standard size for easy installation and...KEBMB509SI- SKU:
- KEBMB509SI
- Availability:
- Ships Same Business Day
- Weight:
- 1.14 LBS
- MFG Part #:
- MB 509SI
$37.99 -
Main Bearing Set KEBMB509HP020
KING BEARINGS
$71.99Main Bearing Set - MB 509HP 020 High-performance main bearing set designed for small block Chevy engines. Features a 0.020 inch undersize for optimal fit and enhanced engine performance. Constructed from durable materials to ensure longevity...KEBMB509HP020- SKU:
- KEBMB509HP020
- Availability:
- Ships Same Business Day
- Weight:
- 1.18 LBS
- MFG Part #:
- MB 509HP 020
$71.99 -
Main Bearing Set KEBMB509HP011
KING BEARINGS
$84.99Main Bearing Set MB 509HP 011 Designed for high-performance applications 0.011 inch undersize for optimal fit Perfectly compatible with Small Block Chevy engines Durable construction ensures longevity and reliability Easy...KEBMB509HP011- SKU:
- KEBMB509HP011
- Availability:
- Ships Same Business Day
- Weight:
- 1.16 LBS
- MFG Part #:
- MB 509HP 011
$84.99 -
Main Bearing Set KEBMB509HP010
KING BEARINGS
$71.99Main Bearing Set - MB 509HP 010 Designed for high-performance applications 0.010 inch undersize for precise fitting Compatible with Small Block Chevy engines Includes a complete kit for easy installation Manufactured with durable...KEBMB509HP010- SKU:
- KEBMB509HP010
- Availability:
- Ships Same Business Day
- Weight:
- 1.18 LBS
- MFG Part #:
- MB 509HP 010
$71.99 -
Main Bearing Set KEBMB509HP001
KING BEARINGS
$75.99Main Bearing Set MB 509HP 001 High-performance main bearing set designed for Small Block Chevy engines. Precision-engineered with a 0.001 inch undersize for optimal fit and performance. Durable construction ensures long-lasting reliability...KEBMB509HP001- SKU:
- KEBMB509HP001
- Availability:
- Ships Same Business Day
- Weight:
- 1.13 LBS
- MFG Part #:
- MB 509HP 001
$75.99 -
Main Bearing Set MB 509HP
KING BEARINGS
$71.99Main Bearing Set Main BearingHPStandardSmall Block ChevyKitKEBMB509HP- SKU:
- KEBMB509HP
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- MFG Part #:
- MB 509HP
$71.99 -
On Sale
Main Bearing Set - Calico Coated MS909HX
CALICO COATINGS
MSRP: $184.99Now: $167.31Was: $184.99Main Bearing Set - Calico CoatedMain BearingH-SeriesStandardExtra Oil ClearanceCoatedSmall Block ChevyKitCLCMS909HX- SKU:
- CLCMS909HX
- Availability:
- Ships Same Business Day
- Weight:
- 1.26 LBS
- MFG Part #:
- MS909HX
MSRP: $184.99Now: $167.31Was: $184.99 -
On Sale
Main Bearing Set - Calico Coated MS909H9
CALICO COATINGS
MSRP: $179.99Now: $162.61Was: $179.99Main Bearing Set - Calico CoatedMain BearingH-Series0.009 in UndersizeCoatedSmall Block ChevyKitCLCMS909H9- SKU:
- CLCMS909H9
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- MFG Part #:
- MS909H9
MSRP: $179.99Now: $162.61Was: $179.99 -
On Sale
Main Bearing Set - Calico Coated MS909H20
CALICO COATINGS
MSRP: $190.99Now: $172.95Was: $190.99Main Bearing Set - Calico CoatedMain BearingH-Series0.020 in UndersizeCoatedSmall Block ChevyKitCLCMS909H20- SKU:
- CLCMS909H20
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- MFG Part #:
- MS909H20
MSRP: $190.99Now: $172.95Was: $190.99 -
On Sale
Main Bearing Set - Calico Coated MS909H19
CALICO COATINGS
MSRP: $187.99Now: $175.77Was: $187.99Main Bearing Set - Calico CoatedMain BearingH-Series0.019 in UndersizeCoatedSmall Block ChevyKitCLCMS909H19- SKU:
- CLCMS909H19
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- MFG Part #:
- MS909H19
MSRP: $187.99Now: $175.77Was: $187.99 -
On Sale
Main Bearing Set - Calico Coated MS909H10
CALICO COATINGS
MSRP: $178.99Now: $161.67Was: $178.99Main Bearing Set - Calico CoatedMain BearingH-Series0.010 in UndersizeCoatedSmall Block ChevyKitCLCMS909H10- SKU:
- CLCMS909H10
- Availability:
- Ships Same Business Day
- Weight:
- 1.34 LBS
- MFG Part #:
- MS909H10
MSRP: $178.99Now: $161.67Was: $178.99Qty in Cart: 0Quantity:Price:MSRP: $178.99Now: $161.67Was: $178.99Subtotal: -
On Sale
Main Bearing Set - Calico Coated MS909H001
CALICO COATINGS
MSRP: $182.99Now: $165.43Was: $182.99Main Bearing Set - Calico CoatedMain BearingH-Series0.001 in UndersizeCoatedSmall Block ChevyKitCLCMS909H001- SKU:
- CLCMS909H001
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- MFG Part #:
- MS909H001
MSRP: $182.99Now: $165.43Was: $182.99 -
On Sale
Main Bearing Set - Calico Coated MS909H
CALICO COATINGS
MSRP: $173.99Now: $156.97Was: $173.99Main Bearing Set - Calico Coated - MS909H High-performance main bearing set designed for durability Compatible with H-Series engines for optimal fit Standard size ensures easy installation and compatibility Coated for enhanced protection against wear...CLCMS909H- SKU:
- CLCMS909H
- Availability:
- Ships Same Business Day
- Weight:
- 1.29 LBS
- MFG Part #:
- MS909H
MSRP: $173.99Now: $156.97Was: $173.99 -
On Sale
Main Bearing Set - Calico Coated MS590HX
CALICO COATINGS
MSRP: $200.99Now: $181.41Was: $200.99Main Bearing Set - Calico CoatedMain BearingH-SeriesStandardExtra Oil ClearanceCoatedSmall Block FordKitCLCMS590HX- SKU:
- CLCMS590HX
- Availability:
- Ships Same Business Day
- Weight:
- 1.19 LBS
- MFG Part #:
- MS590HX
MSRP: $200.99Now: $181.41Was: $200.99 -
On Sale
Main Bearing Set - Calico Coated MS590H10
CALICO COATINGS
MSRP: $207.99Now: $187.99Was: $207.99Main Bearing Set - Calico CoatedMain BearingH-Series0.010 in UndersizeCoatedSmall Block FordKitCLCMS590H10- SKU:
- CLCMS590H10
- Availability:
- Ships Same Business Day
- Weight:
- 1.23 LBS
- MFG Part #:
- MS590H10
MSRP: $207.99Now: $187.99Was: $207.99 -
On Sale
Main Bearing Set - Calico Coated MS590H001
CALICO COATINGS
MSRP: $190.99Now: $172.95Was: $190.99Main Bearing Set - Calico CoatedMain BearingH-Series0.001 in UndersizeCoatedSmall Block FordKitCLCMS590H001- SKU:
- CLCMS590H001
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- MFG Part #:
- MS590H001
MSRP: $190.99Now: $172.95Was: $190.99 -
On Sale
Main Bearing Set - Calico Coated MS590H
CALICO COATINGS
MSRP: $178.99Now: $161.67Was: $178.99Main Bearing Set - Calico CoatedMain BearingH-SeriesStandardCoatedSmall Block FordKitCLCMS590H- SKU:
- CLCMS590H
- Availability:
- Ships Same Business Day
- Weight:
- 1.19 LBS
- MFG Part #:
- MS590H
MSRP: $178.99Now: $161.67Was: $178.99
