Dirt Bike Engine Bearings
Dirt Bike Engine Bearings & Crank Bearing Kits for Yamaha, Honda & Beta at JJ Motorsports
Rebuild your dirt bike's bottom end with premium crankshaft bearings, needle bearings, and complete seal kits from JJ Motorsports — precision-engineered for perfect fit, reduced friction, and extreme durability in motocross, enduro, and trail riding. Our selection includes high-quality main bearings, crank bearing/seal kits, and needle bearings designed to handle high RPM, high heat, and heavy loads while restoring smooth, quiet operation. Compatible with top models like Yamaha YZ/WR, Honda CRF/CR, Beta RR, and more, these components from trusted brands deliver OEM or better performance with upgraded materials that outlast stock bearings in dusty, abusive conditions. Whether you're splitting the cases for a full rebuild or just replacing worn mains, these kits give you everything — bearings, seals, and gaskets — for factory-fresh feel and championship-level reliability.
At JJ Motorsports, we stock the best dirt bike engine bearings and crank kits from Moose Racing, Shindy, and Vintco with fast shipping and expert support. Free shipping over $99!
Top Dirt Bike Engine Bearings & Kits
- Shindy Needle Bearing 16 mm x 21 mm x 23 mm Yamaha 10-301 – High-quality needle bearing for Yamaha models; exact OEM spec for shock linkage and swingarm applications.
- Moose Offroad Crank Bearing & Seal Kit Beta 24-1128 – Complete crank bearing and seal kit for Beta RR models; includes both sides for full bottom-end refresh.
- Vintco Main Bearing and Seal Kit Honda KMB034 – Premium main bearing and crank seal kit for vintage Honda models; perfect for classic CR and XR restoration with modern durability.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
HOT RODS Crank Bearings K003
HOT RODS
$99.95Precision, high-quality main bearing and seal kits complement installation of Hot Rods crankshaft assemblies09240022- SKU:
- 09240022
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- PRODUCT NAME:
- BEARING
- TYPE:
- BALL
- APPLICATION:
- MAIN CRANKSHAFT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$99.95 -
HOT RODS Crank Bearings K019
HOT RODS
$79.95Precision, high-quality main bearing and seal kits complement installation of Hot Rods crankshaft assemblies09240023- SKU:
- 09240023
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
- APPLICATION:
- MAIN CRANKSHAFT
- TYPE:
- BALL
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$79.95 -
HOT RODS Crank Bearings K004
HOT RODS
$72.95Precision, high-quality main bearing and seal kits complement installation of Hot Rods crankshaft assemblies09240024- SKU:
- 09240024
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- APPLICATION:
- MAIN CRANKSHAFT
- UNITS:
- KIT
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- BALL
$72.95 -
HOT RODS Crank Bearings K005
HOT RODS
$109.95Precision, high-quality main bearing and seal kits complement installation of Hot Rods crankshaft assemblies09240025- SKU:
- 09240025
- Availability:
- Ships Same Business Day
- Weight:
- 1.38 LBS
- APPLICATION:
- MAIN CRANKSHAFT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- BEARING
- TYPE:
- BALL
- RIDING STYLE:
- STREET
$109.95Qty in Cart: 0Quantity:Price:$109.95Subtotal: -
HOT RODS Crank Bearings K227
HOT RODS
$119.95Precision, high-quality main bearing and seal kits complement installation of Hot Rods crankshaft assemblies09240026- SKU:
- 09240026
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
- APPLICATION:
- MAIN CRANKSHAFT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- BEARING
- TYPE:
- BALL
$119.95 -
HOT RODS Crank Bearings K020
HOT RODS
$61.95Precision, high-quality main bearing and seal kits complement installation of Hot Rods crankshaft assemblies09240027- SKU:
- 09240027
- Availability:
- Ships Same Business Day
- Weight:
- 0.74 LBS
- APPLICATION:
- MAIN CRANKSHAFT
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- BALL
$61.95 -
HOT RODS Crank Bearings K006
HOT RODS
$108.95Precision, high-quality main bearing and seal kits complement installation of Hot Rods crankshaft assemblies09240028- SKU:
- 09240028
- Availability:
- Ships Same Business Day
- Weight:
- 0.88 LBS
- TYPE:
- BALL
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- MAIN CRANKSHAFT
- UNITS:
- KIT
$108.95 -
HOT RODS Crank Bearings K008
HOT RODS
$60.95Precision, high-quality main bearing and seal kits complement installation of Hot Rods crankshaft assemblies09240030- SKU:
- 09240030
- Availability:
- Ships Same Business Day
- Weight:
- 0.67 LBS
- PRODUCT NAME:
- BEARING
- TYPE:
- BALL
- APPLICATION:
- MAIN CRANKSHAFT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$60.95Qty in Cart: 0Quantity:Price:$60.95Subtotal: -
Wossner Top End Bearing Kawasaki KX 500 1988-2004 N1052
WOSSNER
$18.50The WOSSNER Top End Bearing is engineered for optimal performance and durability, making it an essential component for high-performance engines. With precise dimensions of 19 mm x 24 mm x 24.8 mm, this bearing ensures a perfect fit and reliable operation...09240463- SKU:
- 09240463
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- LENGTH METRIC:
- 24.8 MM
- PRODUCT NAME:
- BEARING
- TYPE:
- TOP END
- INSIDE DIAMETER METRIC:
- 19 MM
- OUTSIDE DIAMETER METRIC:
- 24 MM
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- CONNECTING ROD
- UNITS:
- EACH
$18.50 -
Wossner Top End Bearing 18x22x23.5 mm Kawasaki KX250 2002-2007 N1049
WOSSNER
$18.50The WOSSNER Top End Bearing is engineered for optimal performance, precision, and durability, making it an essential component for your engine assembly. With dimensions of 18 mm x 22 mm x 23.5 mm, this bearing ensures a perfect fit and smooth operation...09240462- SKU:
- 09240462
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- INSIDE DIAMETER METRIC:
- 18 MM
- PRODUCT NAME:
- BEARING
- APPLICATION:
- CONNECTING ROD
- RIDING STYLE:
- OFF-ROAD
- LENGTH METRIC:
- 23.5 MM
- TYPE:
- TOP END
- UNITS:
- EACH
- OUTSIDE DIAMETER METRIC:
- 22 MM
$18.50 -
Wossner Top End Bearing for Yamaha YZ125 2005-2022 N1047
WOSSNER
$18.50Experience superior performance and durability with the WOSSNER Top End Bearing, designed specifically for high-performance applications. Engineered with precision, this bearing ensures smooth operation and longevity, making it an essential component for...09240461- SKU:
- 09240461
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- LENGTH METRIC:
- 17.3 MM
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- OFF-ROAD
- INSIDE DIAMETER METRIC:
- 15 MM
- TYPE:
- TOP END
- UNITS:
- EACH
- APPLICATION:
- CONNECTING ROD
- OUTSIDE DIAMETER METRIC:
- 19 MM
$18.50 -
Wossner Top End Bearing for 1998-2022 KTM 65 SX N1037
WOSSNER
$18.50The WOSSNER Top End Bearing is designed for optimal performance in high-demand applications, ensuring smooth operation and durability. With precise dimensions of 12 mm x 15 mm x 16.3 mm, this bearing is engineered to fit seamlessly into your machinery,...09240460- SKU:
- 09240460
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- LENGTH METRIC:
- 16.3 MM
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- APPLICATION:
- CONNECTING ROD
- INSIDE DIAMETER METRIC:
- 12 MM
- UNITS:
- EACH
- OUTSIDE DIAMETER METRIC:
- 15 MM
$18.50 -
Wossner Top End Bearing Yamaha YZ125 1997-2001 N1011
WOSSNER
$18.50The WOSSNER Top End Bearing is engineered for high-performance applications, ensuring optimal durability and efficiency. With precise dimensions and robust construction, this bearing is designed to enhance the reliability of your engine's top end...09240451- SKU:
- 09240451
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- LENGTH METRIC:
- 17.8 MM
- INSIDE DIAMETER METRIC:
- 15 MM
- TYPE:
- TOP END
- UNITS:
- EACH
- APPLICATION:
- CONNECTING ROD
- OUTSIDE DIAMETER METRIC:
- 20 MM
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- OFF-ROAD
$18.50Qty in Cart: 0Quantity:Price:$18.50Subtotal: -
HOT RODS Crank Bearings K067
HOT RODS
$153.95Precision, high-quality main bearing and seal kits complement installation of Hot Rods crankshaft assemblies09240234- SKU:
- 09240234
- Availability:
- Ships Same Business Day
- Weight:
- 1.01 LBS
- APPLICATION:
- MAIN CRANKSHAFT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- BEARING
- TYPE:
- BALL
$153.95 -
HOT RODS Crank Bearings K066
HOT RODS
$109.95Precision, high-quality main bearing and seal kits complement installation of Hot Rods crankshaft assemblies09240233- SKU:
- 09240233
- Availability:
- Ships Same Business Day
- Weight:
- 1.28 LBS
- RIDING STYLE:
- STREET
- APPLICATION:
- MAIN CRANKSHAFT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- BEARING
- TYPE:
- BALL
$109.95 -
HOT RODS Crank Bearings K065
HOT RODS
$109.95Precision, high-quality main bearing and seal kits complement installation of Hot Rods crankshaft assemblies09240232- SKU:
- 09240232
- Availability:
- Ships Same Business Day
- Weight:
- 1.07 LBS
- RIDING STYLE:
- STREET
- APPLICATION:
- MAIN CRANKSHAFT
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- BALL
$109.95 -
HOT RODS Crank Bearings K064
HOT RODS
$77.95Precision, high-quality main bearing and seal kits complement installation of Hot Rods crankshaft assemblies09240231- SKU:
- 09240231
- Availability:
- Ships Same Business Day
- Weight:
- 0.77 LBS
- TYPE:
- BALL
- APPLICATION:
- MAIN CRANKSHAFT
- UNITS:
- KIT
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- OFF-ROAD
$77.95 -
HOT RODS Crank Bearings K057
HOT RODS
$99.95Precision, high-quality main bearing and seal kits complement installation of Hot Rods crankshaft assemblies09240213- SKU:
- 09240213
- Availability:
- Ships Same Business Day
- Weight:
- 1.36 LBS
- TYPE:
- BALL
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- MAIN CRANKSHAFT
- UNITS:
- KIT
$99.95 -
HOT RODS Crank Bearings K063
HOT RODS
$107.95Precision, high-quality main bearing and seal kits complement installation of Hot Rods crankshaft assemblies09240212- SKU:
- 09240212
- Availability:
- Ships Same Business Day
- Weight:
- 1.64 LBS
- PRODUCT NAME:
- BEARING
- TYPE:
- BALL
- APPLICATION:
- MAIN CRANKSHAFT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$107.95 -
HOT RODS Crank Bearings K022
HOT RODS
$104.95Precision, high-quality main bearing and seal kits complement installation of Hot Rods crankshaft assemblies09240036- SKU:
- 09240036
- Availability:
- Ships Same Business Day
- Weight:
- 1.57 LBS
- PRODUCT NAME:
- BEARING
- TYPE:
- BALL
- UNITS:
- SET
- APPLICATION:
- MAIN CRANKSHAFT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
$104.95
