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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On Sale
Main Bearing Set - Calico Coated MS429H10
CALICO COATINGS
MSRP: $229.99Now: $207.73Was: $229.99A quality main bearing set is critical for engine longevity and reliability, especially in performance applications where bearing wear can quickly escalate into catastrophic failure. The Calico Coated MS429H10 delivers the precision fitment and wear...CLCMS429H10- SKU:
- CLCMS429H10
- Availability:
- Ships Same Business Day
- Weight:
- 1.29 LBS
- MFG Part #:
- MS429H10
MSRP: $229.99Now: $207.73Was: $229.99 -
On Sale
Main Bearing Set - Calico Coated MS2199HX
CALICO COATINGS
MSRP: $255.99Now: $231.23Was: $255.99Main bearing failure is one of the most catastrophic engine failures you can experience—and it's entirely preventable with the right bearings. The Calico Coated MS2199HX delivers the oil clearance and friction-reducing coating your engine needs to...CLCMS2199HX- SKU:
- CLCMS2199HX
- Availability:
- Ships Same Business Day
- Weight:
- 1.21 LBS
- MFG Part #:
- MS2199HX
MSRP: $255.99Now: $231.23Was: $255.99 -
On Sale
Main Bearing Set - Calico Coated MS2199H10
CALICO COATINGS
MSRP: $248.99Now: $225.59Was: $248.99Main bearing wear is the silent killer of engine longevity—especially in modified Small Block Chevys where increased cylinder pressures demand superior support. This Calico-coated set delivers the precision fitment and friction reduction your rebuild...CLCMS2199H10- SKU:
- CLCMS2199H10
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- MFG Part #:
- MS2199H10
MSRP: $248.99Now: $225.59Was: $248.99 -
On Sale
Main Bearing Set - Calico Coated MS2199H
CALICO COATINGS
MSRP: $231.99Now: $209.61Was: $231.99Whether you're rebuilding a tired Small Block Chevy or pushing an existing engine to its limits, main bearing quality directly impacts reliability and longevity under sustained load. The MS2199H's Calico coating reduces friction and wear, providing the...CLCMS2199H- SKU:
- CLCMS2199H
- Availability:
- Ships Same Business Day
- Weight:
- 1.22 LBS
- MFG Part #:
- MS2199H
MSRP: $231.99Now: $209.61Was: $231.99 -
On Sale
Main Bearing Set - Calico Coated MS1110H
CALICO COATINGS
MSRP: $338.99Now: $305.49Was: $338.99Main bearing wear is one of the most critical failure points in high-output engines, and OEM bearings often can't handle sustained boost or high RPM loads. The MS1110H delivers Calico-coated construction that resists scuffing and wear under extreme...CLCMS1110H- SKU:
- CLCMS1110H
- Availability:
- Ships Same Business Day
- Weight:
- 2.04 LBS
- MFG Part #:
- MS1110H
MSRP: $338.99Now: $305.49Was: $338.99 -
On Sale
Main Bearing Set - Calico Coated MS1038HX
CALICO COATINGS
MSRP: $185.99Now: $168.25Was: $185.99Small block Chevy engines demand reliable main bearings that can handle both street abuse and sustained race conditions without compromising oil flow or longevity. The Calico Coated MS1038HX delivers the durability and reduced friction you need to keep...CLCMS1038HX- SKU:
- CLCMS1038HX
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- MFG Part #:
- MS1038HX
MSRP: $185.99Now: $168.25Was: $185.99 -
On Sale
Main Bearing Set - Calico Coated MS1038H10
CALICO COATINGS
MSRP: $191.99Now: $173.89Was: $191.99Main bearing wear is one of the most critical failure points in high-output engine builds, and using OEM or substandard bearings can quickly turn catastrophic. The Calico Coated MS1038H10 delivers the load-carrying capacity and surface durability your...CLCMS1038H10- SKU:
- CLCMS1038H10
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- MFG Part #:
- MS1038H10
MSRP: $191.99Now: $173.89Was: $191.99 -
On Sale
Main Bearing Set - Calico Coated MS1038H001
CALICO COATINGS
MSRP: $169.99Now: $153.21Was: $169.99Main bearing integrity is foundational to engine reliability, especially in high-performance applications where sustained RPMs and load demand precision tolerances. The Calico Coated MS1038H001 delivers the durability and exact fitment required for...CLCMS1038H001- SKU:
- CLCMS1038H001
- Availability:
- Ships Same Business Day
- Weight:
- 1.36 LBS
- MFG Part #:
- MS1038H001
MSRP: $169.99Now: $153.21Was: $169.99 -
On Sale
Main Bearing Set - Calico Coated MS1038H
CALICO COATINGS
MSRP: $176.99Now: $159.79Was: $176.99Main bearing wear and inadequate load distribution directly compromise engine reliability and performance—especially in high-rev and forced-induction applications. The Calico Coated MS1038H main bearing set eliminates guesswork with precision engineering...CLCMS1038H- SKU:
- CLCMS1038H
- Availability:
- Ships Same Business Day
- Weight:
- 1.38 LBS
- MFG Part #:
- MS1038H
MSRP: $176.99Now: $159.79Was: $176.99 -
On Sale
ACL Bearings Main Bearing Set 5M909HX-STD
ACL BEARINGS
MSRP: $91.99Now: $87.39Was: $91.99Main bearing wear is one of the fastest ways to turn a solid engine build into a catastrophic failure. The ACL Bearings Main Bearing Set 5M909HX-STD delivers the precision clearances and material quality needed to keep your small block Chevy running...AEB5M909HX-STD- SKU:
- AEB5M909HX-STD
- Availability:
- Ships Same Business Day
- Weight:
- 1.19 LBS
- MFG Part #:
- 5M909HX-STD
MSRP: $91.99Now: $87.39Was: $91.99 -
On Sale
ACL Bearings Main Bearing Set 5M909A-STD
ACL BEARINGS
MSRP: $25.99Now: $21.84Was: $25.99Proper main bearings are fundamental to engine longevity and reliability—they handle extreme pressures and temperatures while keeping your crankshaft centered and rotating smoothly. ACL's Main Bearing Set 5M909A-STD delivers OEM-quality construction with...AEB5M909A-STD- SKU:
- AEB5M909A-STD
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- MFG Part #:
- 5M909A-STD
MSRP: $25.99Now: $21.84Was: $25.99 -
On Sale
ACL Bearings Main Bearing Set 5M909A-10
ACL BEARINGS
MSRP: $25.99Now: $21.84Was: $25.99Precision-engineered main bearings are the foundation of engine reliability, and ACL's proven design ensures consistent oil pressure and minimal wear under sustained load. Whether you're rebuilding a classic Small Block Chevy or freshening up a...AEB5M909A-10- SKU:
- AEB5M909A-10
- Availability:
- Ships Same Business Day
- Weight:
- 1.11 LBS
- MFG Part #:
- 5M909A-10
MSRP: $25.99Now: $21.84Was: $25.99 -
On Sale
ACL Bearings Main Bearing Set 5M590HX-STD
ACL BEARINGS
MSRP: $104.99Now: $88.34Was: $104.99A quality main bearing set is foundational to engine longevity and reliability—cheap bearings fail under load and take your entire build with them. ACL's 5M590HX-STD delivers the precision fit and robust construction that Small Block Ford builders trust,...AEB5M590HX-STD- SKU:
- AEB5M590HX-STD
- Availability:
- Ships Same Business Day
- Weight:
- 1.04 LBS
- MFG Part #:
- 5M590HX-STD
MSRP: $104.99Now: $88.34Was: $104.99 -
On Sale
ACL Bearings Main Bearing Set 5M590H-STD
ACL BEARINGS
MSRP: $104.99Now: $88.34Was: $104.99A quality main bearing set is the foundation of engine reliability and longevity, especially in high-performance or rebuilt small block Ford applications. ACL's H-Series bearings are engineered to maintain precise clearances under sustained load,...AEB5M590H-STD- SKU:
- AEB5M590H-STD
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- MFG Part #:
- 5M590H-STD
MSRP: $104.99Now: $88.34Was: $104.99 -
On Sale
ACL Bearings Main Bearing Set 5M590H-10
ACL BEARINGS
MSRP: $104.99Now: $88.34Was: $104.99Precision-fit main bearings are critical for engine longevity and reliable power delivery during high-demand racing and rebuilds. The ACL 5M590H-10 delivers the exact tolerances your Small Block Ford requires, eliminating guesswork and potential bearing...AEB5M590H-10- SKU:
- AEB5M590H-10
- Availability:
- Ships Same Business Day
- Weight:
- 1.09 LBS
- MFG Part #:
- 5M590H-10
MSRP: $104.99Now: $88.34Was: $104.99 -
On Sale
ACL Bearings Main Bearing Set 5M1038HX-STD
ACL BEARINGS
MSRP: $99.99Now: $84.54Was: $99.99A quality main bearing set is fundamental to engine longevity and reliability, especially in high-performance and street applications. ACL's H-Series bearings deliver the precision tolerances and durability you need to maintain consistent oil pressure...AEB5M1038HX-STD- SKU:
- AEB5M1038HX-STD
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- MFG Part #:
- 5M1038HX-STD
MSRP: $99.99Now: $84.54Was: $99.99 -
On Sale
ACL Bearings Main Bearing Set 5M1038H-STD
ACL BEARINGS
MSRP: $99.99Now: $84.54Was: $99.99Main bearing wear is one of the first indicators of engine stress—inadequate bearing clearance leads to catastrophic failure under load. The ACL 5M1038H-STD delivers precision-engineered bearing surfaces and proper oil film thickness, ensuring consistent...AEB5M1038H-STD- SKU:
- AEB5M1038H-STD
- Availability:
- Ships Same Business Day
- Weight:
- 1.26 LBS
- MFG Part #:
- 5M1038H-STD
MSRP: $99.99Now: $84.54Was: $99.99Qty in Cart: 0Quantity:Price:MSRP: $99.99Now: $84.54Was: $99.99Subtotal: -
On Sale
ACL Bearings Main Bearing Set 5M1038H-10
ACL BEARINGS
MSRP: $99.99Now: $84.54Was: $99.99Precision engine bearings are the foundation of any reliable build—they manage critical load distribution and oil film integrity that directly impact horsepower delivery and engine longevity. The ACL Bearings Main Bearing Set 5M1038H-10 delivers...AEB5M1038H-10- SKU:
- AEB5M1038H-10
- Availability:
- Ships Same Business Day
- Weight:
- 1.23 LBS
- MFG Part #:
- 5M1038H-10
MSRP: $99.99Now: $84.54Was: $99.99 -
On Sale
ACL Bearings Main Bearing Set 5M1038H-01
ACL BEARINGS
MSRP: $99.99Now: $84.54Was: $99.99Main bearing wear is one of the fastest ways to compromise engine reliability and performance. The ACL Bearings 5M1038H-01 delivers precision-engineered replacements that restore proper clearances and load distribution, critical for engines pushing...AEB5M1038H-01- SKU:
- AEB5M1038H-01
- Availability:
- Ships Same Business Day
- Weight:
- 1.28 LBS
- MFG Part #:
- 5M1038H-01
MSRP: $99.99Now: $84.54Was: $99.99Qty in Cart: 0Quantity:Price:MSRP: $99.99Now: $84.54Was: $99.99Subtotal: -
Main Bearing Set GM LS Coated MS-2411HXC
MAHLE ORIGINAL/CLEVITE
$269.99A quality main bearing set is foundational to engine reliability and longevity, especially in high-performance or modified LS engines. The MS-2411HXC delivers extra oil clearance and a protective coating to handle elevated boost pressures, extended RPM...M77MS2411HXC- SKU:
- M77MS2411HXC
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$269.99
