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
-
On Sale
ACL Bearings Main Bearing Set 5M7298H-10
ACL BEARINGS
MSRP: $156.99Now: $149.14Was: $156.99Main BearingH-Series0.010 in UndersizeGM LS-SeriesKitAEB5M7298H-10- SKU:
- AEB5M7298H-10
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
MSRP: $156.99Now: $149.14Was: $156.99 -
On Sale
ACL Bearings Main Bearing Set 5M7298H-01
ACL BEARINGS
MSRP: $156.99Now: $149.14Was: $156.99Main BearingH-Series0.001 in UndersizeGM LS-SeriesKitAEB5M7298H-01- SKU:
- AEB5M7298H-01
- Availability:
- Ships Same Business Day
- Weight:
- 1.01 LBS
MSRP: $156.99Now: $149.14Was: $156.99 -
Main Bearing Set MS-909H-30
MICHIGAN 77
$99.99Main BearingH-Series0.030 in UndersizeSmall Block ChevyKitM77MS909H30- SKU:
- M77MS909H30
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
$99.99 -
Main Bearing Set MS-429P-1
MICHIGAN 77
$55.99Main Bearing SetM77MS429P1- SKU:
- M77MS429P1
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
$55.99Qty in Cart: 0Quantity:Price:$55.99Subtotal: -
Main Bearing Set MS-2199P-20
MICHIGAN 77
$90.99Main BearingP-Series0.020 in UndersizeGM LS-SeriesKitM77MS2199P20- SKU:
- M77MS2199P20
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
$90.99 -
Main Bearing Set MS-2199P-10
MICHIGAN 77
$113.99Main BearingP-Series0.010 in UndersizeGM LS-SeriesKitM77MS2199P10- SKU:
- M77MS2199P10
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
$113.99 -
Main Bearing Set MS-2199P
MICHIGAN 77
$117.99Main BearingP-SeriesStandardGM LS-SeriesKitM77MS2199P- SKU:
- M77MS2199P
- Availability:
- Ships Same Business Day
- Weight:
- 1.11 LBS
$117.99 -
Main Bearing Set MS-2199HX
MICHIGAN 77
$151.99Main BearingH-SeriesStandardExtra Oil ClearanceGM LS-SeriesKitM77MS2199HX- SKU:
- M77MS2199HX
- Availability:
- Ships Same Business Day
- Weight:
- 1.16 LBS
$151.99 -
Main Bearing Set MS-2199H-10
MICHIGAN 77
$157.99Main BearingH-Series0.010 in UndersizeGM LS-SeriesKitM77MS2199H10- SKU:
- M77MS2199H10
- Availability:
- Ships Same Business Day
- Weight:
- 1.23 LBS
$157.99 -
Main Bearing Set MS-2199H-1
MICHIGAN 77
$152.99Main BearingH-Series0.001 in UndersizeGM LS-SeriesKitM77MS2199H1- SKU:
- M77MS2199H1
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
$152.99 -
Main Bearing Set MS-2199H
MICHIGAN 77
$131.99Main BearingH-SeriesStandardGM LS-SeriesKitM77MS2199H- SKU:
- M77MS2199H
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
$131.99 -
Main Bearing Set MS-1432H-10
MICHIGAN 77
$112.99Main BearingH-Series0.010 in UndersizeFord Cleveland / Modified / Small BlockKitM77MS1432H10- SKU:
- M77MS1432H10
- Availability:
- Ships Same Business Day
- Weight:
- 1.49 LBS
$112.99 -
Main Bearing Set MS-1038P-20
MICHIGAN 77
$99.99Main BearingP-Series0.020 in UndersizeSmall Block ChevyKitM77MS1038P20- SKU:
- M77MS1038P20
- Availability:
- Ships Same Business Day
- Weight:
- 1.38 LBS
$99.99 -
Main Bearing Set MS-1038H-9
MICHIGAN 77
$86.99Main BearingH-Series0.009 in UndersizeSmall Block ChevyKitM77MS1038H9- SKU:
- M77MS1038H9
- Availability:
- Ships Same Business Day
- Weight:
- 1.36 LBS
$86.99 -
Main Bearing Set MB5293SI
KING BEARINGS
$42.99Main BearingAlecular SIStandardGM LS-SeriesKitKEBMB5293SI- SKU:
- KEBMB5293SI
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$42.99 -
Main Bearing Set MB5013XP
KING BEARINGS
$124.99Main BearingXPStandardGM LS-SeriesKitKEBMB5013XP- SKU:
- KEBMB5013XP
- Availability:
- Ships Same Business Day
- Weight:
- 1.33 LBS
$124.99 -
Main Bearing Set MB5013HP
KING BEARINGS
$118.99Main Bearing SetKEBMB5013HP- SKU:
- KEBMB5013HP
- Availability:
- Ships Same Business Day
- Weight:
- 0.99 LBS
$118.99 -
On Sale
ACL Bearings Main Bearing Set - SBC 5M909P-STD
ACL BEARINGS
MSRP: $44.99Now: $42.74Was: $44.99Main BearingDuraglideStandardSmall Block ChevyKitAEB5M909P-STD- SKU:
- AEB5M909P-STD
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
MSRP: $44.99Now: $42.74Was: $44.99 -
On Sale
ACL Bearings Main Bearing Set - SBC 5M909P-10
ACL BEARINGS
MSRP: $44.99Now: $42.74Was: $44.99Main BearingDuraglide0.010 in UndersizeSmall Block ChevyKitAEB5M909P-10- SKU:
- AEB5M909P-10
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
MSRP: $44.99Now: $42.74Was: $44.99 -
Main Bearing Set SEA140M1X
SEALED POWER
$90.99Precision-engineered for optimal performance in small block Chevy engines. 0.001 inch undersize for a perfect fit and enhanced durability. Constructed from high-quality materials to withstand extreme conditions. Designed to reduce...SEA140M1X- SKU:
- SEA140M1X
- Availability:
- Ships Same Business Day
- Weight:
- 1.37 LBS
- MFG Part #:
- 140M1X
$90.99
