Harley Engine Bearings
Harley Bike Engine Bearings at JJ Motorsports
Ensure smooth, reliable rotation with premium engine bearings from JJ Motorsports, featuring cam bearings, crank bearings, and inner/outer sets for Twin Cam, Evo, and Big Twin engines. These high-quality bearings reduce friction, handle high loads, and extend engine life.
Shop Feuling, Eastern Motorcycle Parts, and S&S Cycle for race-proven durability. Explore related categories such as Harley engine for cams and lifters, or Harley for oil pumps and cases to complete your rebuild.
Top Harley Engine Bearings
- Feuling Oil Pump Corp Cam Outer Bearing 2078 – High-performance outer cam bearing for Twin Cam; increased load capacity for aggressive cams.
- Eastern Motorcycle Parts Bearing Green A-24660-87 – Green crankcase roller bearing; OEM replacement for 1987-1999 Evo Big Twin.
- S&S Cycle Inner Cam Bearing Twin Cam 31-4080 – Torrington-style inner cam bearing; designed for S&S and stock Twin Cam engines.
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
S&S CYCLE Bearing - Left 31-4013
S&S CYCLE
MSRP: $99.95Now: $89.96Was: $99.95A quality bearing is the foundation of reliable engine performance, and this S&S Cycle bearing delivers the precision tolerances your motor demands. Whether you're running original equipment or upgrading to Timken bearings on a newer platform, this...09240388- SKU:
- 09240388
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- PRODUCT NAME:
- BEARING
- APPLICATION:
- SPROCKET SHAFT
- RIDING STYLE:
- STREET
- UNITS:
- KIT
MSRP: $99.95Now: $89.96Was: $99.95 -
On Sale
S&S CYCLE Inner Cam Bearing 31-4199-S
S&S CYCLE
MSRP: $21.95Now: $19.76Was: $21.95Cam bearing wear is one of the most overlooked maintenance items in high-performance engines, yet it directly impacts oil pressure stability, valve timing accuracy, and overall engine longevity. The S&S CYCLE Inner Cam Bearing 31-4199-S is a superior...09240389- SKU:
- 09240389
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- CAM
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- PRODUCT NAME:
- BEARING
- TYPE:
- NEEDLE
MSRP: $21.95Now: $19.76Was: $21.95 -
DRAG SPECIALTIES Right Roller Bearing Retainer - Big Twin 148107-BC105
DRAG SPECIALTIES
$24.67A worn or damaged crankcase roller bearing retainer compromises crankshaft stability and can lead to catastrophic engine failure—especially critical in high-rpm applications where bearing support is non-negotiable. This OEM-quality replacement retainer...DS194015- SKU:
- DS194015
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- TYPE:
- ROLLER
- PRODUCT NAME:
- BEARING
- APPLICATION:
- CRANKCASE
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$24.67Qty in Cart: 0Quantity:Price:$24.67Subtotal: -
EASTERN MOTORCYCLE PARTS Bearing - Red A-24650-87
EASTERN MOTORCYCLE PARTS
$45.95Precision-engineered bearings are critical to maintaining smooth, reliable operation in high-demand motorcycle applications. The EASTERN MOTORCYCLE PARTS A-24650-87 delivers OEM-equivalent performance with domestic manufacturing quality, ensuring your...09240266- SKU:
- 09240266
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- APPLICATION:
- PINION SHAFT
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- STREET
- TYPE:
- ROLLER
- UNITS:
- EACH
$45.95 -
EASTERN MOTORCYCLE PARTS Rod Bearings - .0006" B-LATE-4-RS
EASTERN MOTORCYCLE PARTS
$18.95Precision rod bearings are the foundation of engine reliability—they directly impact oil film strength, bearing clearance, and overall crankshaft stability under load. The Eastern Motorcycle Parts B-LATE-4-RS delivers tight tolerances and consistent...09240196- SKU:
- 09240196
- Availability:
- Ships Same Business Day
- Weight:
- 0.17 LBS
- APPLICATION:
- CONNECTING ROD
- PRODUCT NAME:
- BEARING
- OUTSIDE DIAMETER IMPERIAL:
- OVERSIZE (+0.0006')
- RIDING STYLE:
- STREET
- UNITS:
- SET
- TYPE:
- ROLLER
$18.95 -
EASTERN MOTORCYCLE PARTS Pinion Bushing A-25582-93
EASTERN MOTORCYCLE PARTS
$39.95A properly functioning pinion bushing is critical to maintaining smooth power delivery and reducing drivetrain noise in your motorcycle. This EASTERN MOTORCYCLE PARTS bushing is machined from solid brass bar stock, ensuring reliable performance and...09240275- SKU:
- 09240275
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- APPLICATION:
- PINION SHAFT
- MATERIAL:
- BRASS
- SIZE:
- STANDARD
- PRODUCT NAME:
- BUSHING
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- SIZE IMPERIAL:
- STANDARD
$39.95Qty in Cart: 0Quantity:Price:$39.95Subtotal: -
EASTERN MOTORCYCLE PARTS Retainer with Bearings A-24650-58
EASTERN MOTORCYCLE PARTS
$53.95A quality bearing retainer assembly is critical to maintaining smooth, reliable operation in high-stress drivetrain environments. This complete bearing assembly from Eastern Motorcycle Parts ensures proper roller alignment and spacing, reducing friction...09500345- SKU:
- 09500345
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- PRODUCT NAME:
- BEARING
- TYPE:
- ROLLER
- SIZE IMPERIAL:
- STANDARD
- APPLICATION:
- CRANKCASE
- RIDING STYLE:
- STREET
- SIZE:
- STANDARD
- UNITS:
- SET
$53.95 -
EASTERN MOTORCYCLE PARTS Rod Bearings - +.002" B-74-7-RS
EASTERN MOTORCYCLE PARTS
$20.95Precision rod bearings are the foundation of reliable engine performance—tolerances measured in thousandths of an inch directly impact horsepower delivery, durability, and longevity. The Eastern Motorcycle Parts +.002" B-74-7-RS delivers the tight...09240178- SKU:
- 09240178
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- RIDING STYLE:
- STREET
- OUTSIDE DIAMETER IMPERIAL:
- OVERSIZE (+0.002')
- TYPE:
- ROLLER
- UNITS:
- SET
- APPLICATION:
- CONNECTING ROD
- PRODUCT NAME:
- BEARING
$20.95 -
EASTERN MOTORCYCLE PARTS Rod Bearings - Standard - Big Twin B-LATE-1-RS
EASTERN MOTORCYCLE PARTS
$18.95Rod bearings are the critical interface between your crankshaft and connecting rods—they absorb shock loads, manage friction, and determine whether your engine lives or fails catastrophically. EASTERN MOTORCYCLE PARTS' standard rod bearings are...09240193- SKU:
- 09240193
- Availability:
- Ships Same Business Day
- Weight:
- 0.17 LBS
- APPLICATION:
- CONNECTING ROD
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- STREET
- TYPE:
- ROLLER
- OUTSIDE DIAMETER IMPERIAL:
- STANDARD
- UNITS:
- SET
$18.95 -
EASTERN MOTORCYCLE PARTS Rod Bearings - .0002" - XL B-SP-2-RS
EASTERN MOTORCYCLE PARTS
$20.95Precision rod bearings are the foundation of reliable engine performance, especially in high-RPM applications where clearance tolerances directly impact longevity and power delivery. The .0002" tolerance on these Eastern Motorcycle Parts bearings ensures...09240202- SKU:
- 09240202
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- STREET
- APPLICATION:
- CONNECTING ROD
- PRODUCT NAME:
- BEARING
- OUTSIDE DIAMETER IMPERIAL:
- OVERSIZE (+0.0002')
- TYPE:
- ROLLER
- UNITS:
- SET
$20.95 -
EASTERN MOTORCYCLE PARTS Rod Bearings - Standard - XL B-SP-1-RS
EASTERN MOTORCYCLE PARTS
$20.95Rod bearings are the critical interface between your crankshaft and connecting rods—they directly impact engine reliability, oil pressure stability, and overall longevity under load. Upgrading to quality OEM-equivalent bearings ensures proper clearances...09240201- SKU:
- 09240201
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- APPLICATION:
- CONNECTING ROD
- PRODUCT NAME:
- BEARING
- OUTSIDE DIAMETER IMPERIAL:
- STANDARD
- UNITS:
- SET
- RIDING STYLE:
- STREET
- TYPE:
- ROLLER
$20.95 -
EASTERN MOTORCYCLE PARTS Rod Bearings - +.003" B-LATE-8-RS
EASTERN MOTORCYCLE PARTS
$22.95Rod bearings are critical to engine longevity and reliability—they support your crankshaft under extreme loads and high RPM conditions. The +.003" oversize specification allows you to recondition your crankshaft journal while maintaining OEM tolerances,...09240200- SKU:
- 09240200
- Availability:
- Ships Same Business Day
- Weight:
- 0.17 LBS
- APPLICATION:
- CONNECTING ROD
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- STREET
- OUTSIDE DIAMETER IMPERIAL:
- OVERSIZE (+0.003')
- UNITS:
- SET
- TYPE:
- ROLLER
$22.95 -
EASTERN MOTORCYCLE PARTS Rod Bearings - .0008" B-LATE-5-RS
EASTERN MOTORCYCLE PARTS
$18.95Rod bearings are the critical interface between your crankshaft and connecting rods—they endure extreme pressures and temperatures during every combustion cycle. The .0008" tolerance on these EASTERN MOTORCYCLE PARTS bearings ensures minimal clearance...09240197- SKU:
- 09240197
- Availability:
- Ships Same Business Day
- Weight:
- 0.17 LBS
- APPLICATION:
- CONNECTING ROD
- PRODUCT NAME:
- BEARING
- OUTSIDE DIAMETER IMPERIAL:
- OVERSIZE (+0.0008')
- UNITS:
- SET
- RIDING STYLE:
- STREET
- TYPE:
- ROLLER
$18.95 -
EASTERN MOTORCYCLE PARTS Bearings - +.001" A-9225-28
EASTERN MOTORCYCLE PARTS
$18.95Precision bearing tolerances are critical to maintaining proper clearances and reducing parasitic drag in high-performance motorcycle engines. The Eastern Motorcycle Parts A-9225-28 bearing delivers the tight +.001" tolerance specification required for...09240185- SKU:
- 09240185
- Availability:
- Ships Same Business Day
- Weight:
- 0.17 LBS
- OUTSIDE DIAMETER IMPERIAL:
- OVERSIZE (+0.001')
- RIDING STYLE:
- STREET
- TYPE:
- ROLLER
- UNITS:
- 28 PACK
- APPLICATION:
- CONNECTING ROD
- PRODUCT NAME:
- BEARING
$18.95 -
EASTERN MOTORCYCLE PARTS Bearings - +.0008" A-9224-28
EASTERN MOTORCYCLE PARTS
$18.95Precision bearings are the foundation of reliable motorcycle performance, and Eastern Motorcycle Parts' A-9224-28 delivers the tight tolerances you need for smooth operation and extended service life. With a +.0008" tolerance specification, this bearing...09240184- SKU:
- 09240184
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- APPLICATION:
- CONNECTING ROD
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- STREET
- TYPE:
- ROLLER
- UNITS:
- 28 PACK
- OUTSIDE DIAMETER IMPERIAL:
- OVERSIZE (+0.0008')
$18.95
Buying Guide and FAQs
Buying Guide: Factors to Consider When Choosing Harley Bike Engine Bearings
- Compatibility: Ensure bearings fit your Harley's engine type (e.g., Twin Cam, Evo Big Twin, Big Twin/XL) and model specifics (e.g., 1987-1999 Evo Big Twin, 1971-1996 Elan 250). Use the vehicle selector for year-specific matches to avoid load or fit issues.
- Type of Use: For performance engines or aggressive cams, opt for heavy-duty full-complement bearings; standard or street riding benefits from OEM-quality replacements like caged or roller bearings for reliable operation in varied conditions.
- Components and Upgrades: Select bearings for cam (inner/outer), pinion shaft, neck post, or main crankshaft; upgrade to kits with races or ball/roller combinations for complete assemblies.
- Brand and Quality: Choose Timken for genuine USA-made neck/post bearings, Feuling for high-load cam bearings, or Eastern for color-coded pinion/cam options. Prioritize materials like brass for bushings or high-quality rollers for durability and load capacity.
- Installation and Cost: Bearings are direct OEM replacements for easy DIY setup; prices range from $14.95 for cam bearings to $134.95 for crankshaft kits—factor in USA-made quality and free shipping over $99 for value.
Frequently Asked Questions (FAQs)
- What Harley models and engines do these engine bearings support? Bearings support models like Big Twin/XL, Twin Cam, Evo Big Twin (1987-1999), and specific applications like pinion shaft or cam—use the year/make/model filter for exact compatibility.
- How do heavy-duty bearings improve performance? They accept higher loads from aggressive cams, with designs like full-complement or caged rollers for increased capacity and reliability in performance engines.
- What is typically included in a bearing kit? Kits may include ball/roller bearings with races or caged assemblies; check details for sets like neck bearing/race or complete crankshaft assemblies.
- What materials are used in engine bearings? Materials include brass for bushings and high-quality rollers/retainers, with USA-made construction for durability.
- What if a bearing doesn't fit my Harley? Verify application (e.g., cam, pinion shaft) and size (standard/oversize) before buying. Our returns policy allows exchanges or refunds if it doesn't match.
- Can I find related engine parts? Yes—explore pistons/rings, gaskets, or cams in the Harley engine category to complement your bearing upgrade for a full rebuild.
