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
-
EASTERN MOTORCYCLE PARTS Left Main Bearing 45-0215
EASTERN MOTORCYCLE PARTS
$130.95The mainshaft bearing is a critical component in your Big Twin's transmission, directly affecting power delivery, shifting smoothness, and overall drivetrain longevity. A worn or damaged bearing will introduce play in the mainshaft, compromising shift...09240595- SKU:
- 09240595
- Availability:
- Ships Same Business Day
- Weight:
- 0.61 LBS
- TYPE:
- OPEN END
- UNITS:
- EACH
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- STREET
$130.95 -
On Sale
S&S CYCLE Inner Cam Bearing - Twin Cam 31-4080
S&S CYCLE
MSRP: $16.95Now: $15.26Was: $16.95The Twin Cam engine demands precision at every bearing surface, and inferior replacements invite catastrophic failure at high RPM. S&S Cycle's inner cam bearings restore OEM tolerances and durability, ensuring reliable valve actuation and extended engine...09240387- SKU:
- 09240387
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- CAM
- PRODUCT NAME:
- BEARING
- UNITS:
- EACH
- TYPE:
- NEEDLE
- RIDING STYLE:
- STREET
MSRP: $16.95Now: $15.26Was: $16.95Qty in Cart: 0Quantity:Price:MSRP: $16.95Now: $15.26Was: $16.95Subtotal: -
On Sale
S&S CYCLE Rod Bearing - Big Twin 41-99 34-4010
S&S CYCLE
MSRP: $105.95Now: $95.36Was: $105.95Engine reliability hinges on quality bearings—a worn rod bearing compromises compression, increases friction, and accelerates wear on your crankshaft. The S&S CYCLE Rod Bearing delivers OE-grade precision for Big Twin engines, restoring proper clearances...09240390- SKU:
- 09240390
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- STREET
- TYPE:
- ROLLER
- UNITS:
- KIT
- APPLICATION:
- CONNECTING ROD
- PRODUCT NAME:
- BEARING
MSRP: $105.95Now: $95.36Was: $105.95 -
On Sale
S&S CYCLE Right Side Inner Main Bearing Race - Twin Cam 99-17 340-0077
S&S CYCLE
MSRP: $65.95Now: $59.36Was: $65.95The right side inner main bearing race is a critical component in your Twin Cam's bottom end, and S&S Cycle's precision-manufactured replacement ensures proper load distribution and extended engine life. OEM races wear over time, compromising bearing...09240391- SKU:
- 09240391
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- STREET
- MATERIAL:
- STEEL
- PRODUCT NAME:
- RACE
- UNITS:
- EACH
MSRP: $65.95Now: $59.36Was: $65.95 -
On Sale
S&S CYCLE Right Bearing - Blue 31-4018
S&S CYCLE
MSRP: $50.95Now: $45.86Was: $50.95When your engine's crankcase main bearing starts showing wear, power delivery suffers and catastrophic failure becomes a real risk. The S&S Cycle Right Bearing is a precision-engineered replacement assembly that restores proper crankshaft support and...09240495- SKU:
- 09240495
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- UNITS:
- EACH
- APPLICATION:
- PINION SHAFT
- SIZE:
- BLUE
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- STREET
MSRP: $50.95Now: $45.86Was: $50.95 -
On Sale
S&S CYCLE Right Bearing - Red 31-4017
S&S CYCLE
MSRP: $50.95Now: $45.86Was: $50.95A worn or damaged crankcase main bearing directly compromises engine reliability, power delivery, and longevity. This OEM-quality replacement bearing restores proper crankshaft support and reduces parasitic friction, ensuring your engine performs at peak...09240497- SKU:
- 09240497
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- APPLICATION:
- PINION SHAFT
- UNITS:
- EACH
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- STREET
- SIZE:
- RED
MSRP: $50.95Now: $45.86Was: $50.95Qty in Cart: 0Quantity:Price:MSRP: $50.95Now: $45.86Was: $50.95Subtotal: -
On Sale
S&S CYCLE Right Bearing - Blue - XL 31-4055
S&S CYCLE
MSRP: $40.95Now: $36.86Was: $40.95Harley-Davidson big twin engines demand precision-engineered internal components to maintain reliability and performance under load. The S&S Cycle right bearing assembly is a direct replacement for worn or damaged OEM crankcase main bearings, restoring...09240499- SKU:
- 09240499
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- PINION SHAFT
- SIZE:
- BLUE
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- STREET
- UNITS:
- EACH
MSRP: $40.95Now: $36.86Was: $40.95 -
On Sale
S&S CYCLE Right Bearing - Green - XL 31-4058
S&S CYCLE
MSRP: $40.95Now: $36.86Was: $40.95If your Harley's primary drive is showing signs of wear or you're rebuilding from the ground up, a quality OEM-equivalent main bearing is non-negotiable. The S&S Cycle right bearing assembly delivers the precision fit and durability your crankcase...09240500- SKU:
- 09240500
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- APPLICATION:
- PINION SHAFT
- SIZE:
- GREEN
- PRODUCT NAME:
- BEARING
MSRP: $40.95Now: $36.86Was: $40.95 -
On Sale
S&S CYCLE Right Bearing - Red - XL 31-4056
S&S CYCLE
MSRP: $40.95Now: $36.86Was: $40.95The S&S Cycle right bearing assembly is a critical component for maintaining crankcase integrity and proper crankshaft support in your engine. Over time, factory bearings wear, causing increased crankshaft runout, oil pressure loss, and potential...09240501- SKU:
- 09240501
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- STREET
- SIZE:
- RED
- UNITS:
- EACH
- APPLICATION:
- PINION SHAFT
- PRODUCT NAME:
- BEARING
MSRP: $40.95Now: $36.86Was: $40.95 -
On Sale
S&S CYCLE Right Bearing - White - XL 31-4057
S&S CYCLE
MSRP: $40.95Now: $36.86Was: $40.95A worn or damaged crankcase bearing directly impacts engine reliability and performance—especially in high-RPM applications where precision is non-negotiable. S&S Cycle's right-side main bearing assembly restores OEM specifications and ensures your...09240502- SKU:
- 09240502
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- STREET
- APPLICATION:
- PINION SHAFT
- SIZE:
- WHITE
- UNITS:
- EACH
MSRP: $40.95Now: $36.86Was: $40.95 -
On Sale
S&S CYCLE Cam Bushing - Big Twin 31-4019
S&S CYCLE
MSRP: $16.95Now: $15.26Was: $16.95The outer cam cover bushing is a high-wear component that directly impacts oil sealing integrity and overall engine reliability in Big Twin engines. A worn or damaged bushing allows oil seepage, reduces bearing support, and can lead to costly internal...09240503- SKU:
- 09240503
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- CAM COVER
- UNITS:
- EACH
- PRODUCT NAME:
- BUSHING
- RIDING STYLE:
- STREET
MSRP: $16.95Now: $15.26Was: $16.95 -
On Sale
S&S CYCLE Shift Pin Bushing 31-4031
S&S CYCLE
MSRP: $16.95Now: $15.26Was: $16.95A worn or damaged shift pin bushing compromises your gear selection reliability and can lead to costly transmission damage if left unaddressed. The S&S CYCLE Shift Pin Bushing restores precise engagement and smooth shifting with OEM-quality construction,...09240504- SKU:
- 09240504
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- PINION SHAFT
- UNITS:
- EACH
- PRODUCT NAME:
- BUSHING
- RIDING STYLE:
- STREET
MSRP: $16.95Now: $15.26Was: $16.95 -
On Sale
S&S CYCLE Cam Install Kit 106-6068
S&S CYCLE
MSRP: $73.95Now: $66.56Was: $73.95Changing or servicing your Twin Cam camshaft shouldn't require a trip to the dealer or multiple specialty tool purchases. The S&S Cycle Cam Install Kit 106-6068 consolidates every fastener, gasket, and component you need into one complete package,...09250512- SKU:
- 09250512
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- APPLICATION:
- CAM
- PRODUCT NAME:
- INSTALLATION KIT
- RIDING STYLE:
- STREET
- STYLE:
- GEAR DRIVE
- UNITS:
- KIT
MSRP: $73.95Now: $66.56Was: $73.95 -
On Sale
S&S CYCLE Cam Install Kit 33-5175
S&S CYCLE
MSRP: $164.95Now: $148.46Was: $164.95Changing or servicing your Twin Cam camshaft shouldn't require a trip to the dealer for specialty tools. The S&S Cycle Cam Install Kit 33-5175 delivers every component needed for gear- or chain-drive cam maintenance in one complete package, eliminating...DS199321- SKU:
- DS199321
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- STYLE:
- CHAIN DRIVE
- UNITS:
- KIT
- APPLICATION:
- CAM
- PRODUCT NAME:
- INSTALLATION KIT
- RIDING STYLE:
- STREET
MSRP: $164.95Now: $148.46Was: $164.95 -
On Sale
S&S CYCLE Cam Install Kit 106-5896
S&S CYCLE
MSRP: $83.95Now: $75.56Was: $83.95Servicing or replacing your Twin Cam camshaft requires precision tooling and the right components—this kit eliminates guesswork and potential costly mistakes. Whether you're running gear-drive or chain-drive cams, having all necessary parts in one...09250456- SKU:
- 09250456
- Availability:
- Ships Same Business Day
- Weight:
- 0.68 LBS
- UNITS:
- KIT
- STYLE:
- GEAR DRIVE
- RIDING STYLE:
- STREET
- APPLICATION:
- CAM
- PRODUCT NAME:
- INSTALLATION KIT
MSRP: $83.95Now: $75.56Was: $83.95 -
On Sale
S&S CYCLE Cam Install Kit 106-5929
S&S CYCLE
MSRP: $54.95Now: $49.46Was: $54.95Servicing or upgrading your Twin Cam camshaft shouldn't require a parts hunting expedition. The S&S Cycle Cam Install Kit delivers every fastener, washer, and component you need in one complete package, eliminating guesswork and downtime. Whether you're...09250457- SKU:
- 09250457
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- APPLICATION:
- CAM
- STYLE:
- CHAIN DRIVE
- PRODUCT NAME:
- INSTALLATION KIT
- RIDING STYLE:
- STREET
- UNITS:
- KIT
MSRP: $54.95Now: $49.46Was: $54.95 -
On Sale
S&S CYCLE Right Side Crankcase Bearing Race - Standard - Sportster 31-4050
S&S CYCLE
MSRP: $257.95Now: $232.16Was: $257.95The crankcase bearing race is a critical component that directly affects crankshaft support, engine longevity, and overall reliability. A worn or damaged bearing race compromises crankshaft alignment and can lead to catastrophic engine failure. This...09240130- SKU:
- 09240130
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- APPLICATION:
- CRANKCASE
- PRODUCT NAME:
- RACE
- RIDING STYLE:
- STREET
- SIZE:
- STANDARD
- UNITS:
- EACH
MSRP: $257.95Now: $232.16Was: $257.95 -
On Sale
S&S CYCLE Pinion Bearing - Twin Cam 31-4085
S&S CYCLE
MSRP: $125.95Now: $113.36Was: $125.95The S&S Cycle Pinion Bearing is a critical wear item in Twin Cam engine assemblies—replacing it during routine maintenance or rebuild prevents premature wear on your crankshaft and ensures smooth, reliable operation at high RPM. Whether you're running a...09240236- SKU:
- 09240236
- Availability:
- Ships Same Business Day
- Weight:
- 0.58 LBS
- APPLICATION:
- PINION SHAFT
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- STREET
- UNITS:
- EACH
MSRP: $125.95Now: $113.36Was: $125.95 -
On Sale
S&S CYCLE Ride Side Crankcase Bearing Race - Standard - Big Twin 31-4004
S&S CYCLE
MSRP: $91.95Now: $82.76Was: $91.95The S&S Cycle right-side crankcase bearing race is a critical internal component that directly affects crankshaft stability and engine longevity. If your Big Twin is showing signs of excess crankshaft play or you're rebuilding after high-mileage use,...09240211- SKU:
- 09240211
- Availability:
- Ships Same Business Day
- Weight:
- 0.42 LBS
- SIZE:
- STANDARD
- APPLICATION:
- CRANKCASE
- PRODUCT NAME:
- RACE
- RIDING STYLE:
- STREET
- UNITS:
- EACH
MSRP: $91.95Now: $82.76Was: $91.95Qty in Cart: 0Quantity:Price:MSRP: $91.95Now: $82.76Was: $91.95Subtotal: -
On Sale
S&S CYCLE Cam Bearing - Big Twin 31-4009
S&S CYCLE
MSRP: $17.95Now: $16.16Was: $17.95Cam bearings endure constant rotational stress and wear faster than almost any other engine component—especially in high-performance Big Twin applications. OE-spec replacement bearings ensure proper valve timing, reduce friction losses, and prevent...09240386- SKU:
- 09240386
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- CAM
- PRODUCT NAME:
- BEARING
- UNITS:
- EACH
- TYPE:
- NEEDLE
- RIDING STYLE:
- STREET
MSRP: $17.95Now: $16.16Was: $17.95
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.
