Motocross/Dirt Bike Engine Bearings

Motorcycle Engine Bearing
  • Wiseco® - Top End Bearing
    Wiseco®Top End Bearing (B1043)
    0
    # mpn4648908152
    Top End Bearing by Wiseco®. Length: 14.8mm. Inner Diameter: 12mm. Outer Diameter: 16mm. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in...
    Guaranteed workmanship and material qualityPeerless quality and superior consistency
    $20.10
  • Wiseco® - Top End Bearing
    Wiseco®Top End Bearing (B1022)
    0
    # mpn4648908151
    Top End Bearing by Wiseco®. Length: 23.5mm. Inner Diameter: 18mm. Outer Diameter: 22mm. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in...
    Guaranteed workmanship and material qualityPeerless quality and superior consistency
    $20.10
  • Wiseco® - Top End Bearing
    Wiseco®Top End Bearing (B1013)
    0
    # mpn4648908150
    Top End Bearing by Wiseco®. Length: 19.8mm. Inner Diameter: 15mm. Outer Diameter: 19mm. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in...
    Guaranteed workmanship and material qualityPeerless quality and superior consistency
    $20.10
  • All Balls® - Countershaft Washer
    All Balls®Countershaft Washer (25-6001)
    0
    # mpn4786841044
    Countershaft Washer by All Balls®. When it comes to quality, All Balls® knows no compromises. All the products made by this stringent quality control conditions. The latest manufacturing methods coupled with the use of the...
    Used by pro racing pilots and amateur bikers around the worldBlend of astounding operation and unmatched reliability
    $32.00
  • All Balls® - Countershaft Washer
    All Balls®Countershaft Washer (25-6009)
    0
    # mpn4742909369
    Countershaft Washer by All Balls®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Used by pro racing pilots and amateur bikers around the worldBlend of astounding operation and unmatched reliability
    $14.27
  • All Balls® - Countershaft Washer
    All Balls®Countershaft Washer (25-6016)
    0
    # mpn4742909342
    Countershaft Washer by All Balls®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Used by pro racing pilots and amateur bikers around the worldBlend of astounding operation and unmatched reliability
    $27.86
  • All Balls® - Countershaft Washer
    All Balls®Countershaft Washer (25-6008)
    0
    # mpn4742909341
    Countershaft Washer by All Balls®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Used by pro racing pilots and amateur bikers around the worldBlend of astounding operation and unmatched reliability
    $12.36
  • All Balls® - Countershaft Washer
    All Balls®Countershaft Washer (25-6013)
    0
    # mpn4742909330
    Countershaft Washer by All Balls®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Used by pro racing pilots and amateur bikers around the worldBlend of astounding operation and unmatched reliability
    $27.30
  • All Balls® - Countershaft Washer
    All Balls®Countershaft Washer (25-6015)
    0
    # mpn4742909327
    Countershaft Washer by All Balls®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Used by pro racing pilots and amateur bikers around the worldBlend of astounding operation and unmatched reliability
    $23.14
  • All Balls® - Countershaft Washer
    All Balls®Countershaft Washer (25-6012)
    0
    # mpn4742909308
    Countershaft Washer by All Balls®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Used by pro racing pilots and amateur bikers around the worldBlend of astounding operation and unmatched reliability
    $21.33
  • All Balls® - Countershaft Washer
    All Balls®Countershaft Washer (25-6006)
    0
    # mpn4742909294
    Countershaft Washer by All Balls®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Used by pro racing pilots and amateur bikers around the worldBlend of astounding operation and unmatched reliability
    $25.57
  • All Balls® - Countershaft Washer
    All Balls®Countershaft Washer (25-6005)
    0
    # mpn4742909269
    Countershaft Washer by All Balls®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Used by pro racing pilots and amateur bikers around the worldBlend of astounding operation and unmatched reliability
    $28.95
  • All Balls® - Countershaft Washer
    All Balls®Countershaft Washer (25-6017)
    0
    # mpn4742909259
    Countershaft Washer by All Balls®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Used by pro racing pilots and amateur bikers around the worldBlend of astounding operation and unmatched reliability
    $35.72
  • All Balls® - Countershaft Washer
    All Balls®Countershaft Washer (25-6007)
    0
    # mpn4618356221
    Countershaft Washer by All Balls®. When it comes to quality, All Balls® knows no compromises. All the products made by this stringent quality control conditions. The latest manufacturing methods coupled with the use of the...
    Used by pro racing pilots and amateur bikers around the worldBlend of astounding operation and unmatched reliability
    $8.42
  • All Balls® - Crank Bearing and Seal Kit
    All Balls®Crank Bearing and Seal Kit (24-1123)
    0
    # mpn4888498624
    Crank Bearing and Seal Kit by All Balls®.
    $71.96
  • All Balls® - Crankshaft Bearing
    All Balls®Crankshaft Bearing (24-1031)
    0
    # mpn4686290290
    Crankshaft Bearing by All Balls®. Feature Koyo and Nachi Bearings (precision Japanese crank bearings). Reduce crank pin wear with our crank seals. Designed with a carbon/fluorocarbon sealing lip to reduce dry start friction.
    Used by pro racing pilots and amateur bikers around the worldBlend of astounding operation and unmatched reliability
    $30.21
  • All Balls® - Crankshaft Bearing Kit
    All Balls®Crankshaft Bearing Kit (24-1109)
    0
    # mpn4618356194
    Crankshaft Bearing Kit by All Balls®. When it comes to quality, All Balls® knows no compromises. All the products made by this stringent quality control conditions. The latest manufacturing methods coupled with the use of the...
    Used by pro racing pilots and amateur bikers around the worldBlend of astounding operation and unmatched reliability
    $75.07
  • All Balls® - Crankshaft Bearing and Seal Kit
    All Balls®Crankshaft Bearing and Seal Kit (24-1014)
    0
    # mpn4825606413
    Crankshaft Bearing and Seal Kit by All Balls®. Feature Koyo and Nachi Bearings (precision Japanese crank bearings). Reduce crank pin wear with our crank seals. Designed with a carbon/fluorocarbon sealing lip to reduce dry start friction.
    Used by pro racing pilots and amateur bikers around the worldBlend of astounding operation and unmatched reliability
    $56.78
  • All Balls® - Crankshaft Bearing and Seal Kit
    All Balls®Crankshaft Bearing and Seal Kit (24-1045)
    0
    # mpn4825606412
    Crankshaft Bearing and Seal Kit by All Balls®. Feature Koyo and Nachi Bearings (precision Japanese crank bearings). Reduce crank pin wear with our crank seals. Designed with a carbon/fluorocarbon sealing lip to reduce dry start friction.
    Used by pro racing pilots and amateur bikers around the worldBlend of astounding operation and unmatched reliability
    $69.28
  • All Balls® - Crankshaft Bearing and Seal Kit
    All Balls®Crankshaft Bearing and Seal Kit (24-1028)
    0
    # mpn4825606409
    Crankshaft Bearing and Seal Kit by All Balls®. Feature Koyo and Nachi Bearings (precision Japanese crank bearings). Reduce crank pin wear with our crank seals. Designed with a carbon/fluorocarbon sealing lip to reduce dry start friction.
    Used by pro racing pilots and amateur bikers around the worldBlend of astounding operation and unmatched reliability
    $72.72
  • All Balls® - Crankshaft Bearing and Seal Kit
    All Balls®Crankshaft Bearing and Seal Kit (24-1019)
    0
    # mpn4825606408
    Crankshaft Bearing and Seal Kit by All Balls®. Feature Koyo and Nachi Bearings (precision Japanese crank bearings). Reduce crank pin wear with our crank seals. Designed with a carbon/fluorocarbon sealing lip to reduce dry start friction.
    Used by pro racing pilots and amateur bikers around the worldBlend of astounding operation and unmatched reliability
    $76.59
  • All Balls® - Crankshaft Bearing and Seal Kit
    All Balls®Crankshaft Bearing and Seal Kit (24-1003)
    0
    # mpn4825606407
    Crankshaft Bearing and Seal Kit by All Balls®. Feature Koyo and Nachi Bearings (precision Japanese crank bearings). Reduce crank pin wear with our crank seals. Designed with a carbon/fluorocarbon sealing lip to reduce dry start friction.
    Used by pro racing pilots and amateur bikers around the worldBlend of astounding operation and unmatched reliability
    $62.67
  • All Balls® - Crankshaft Bearing and Seal Kit
    All Balls®Crankshaft Bearing and Seal Kit (24-1118)
    0
    # mpn4781228036
    Crankshaft Bearing and Seal Kit by All Balls®.
    Used by pro racing pilots and amateur bikers around the worldBlend of astounding operation and unmatched reliability
    $72.59
  • All Balls® - Crankshaft Bearing and Seal Kit
    All Balls®Crankshaft Bearing and Seal Kit (24-1025)
    0
    # mpn4697815953
    Crankshaft Bearing and Seal Kit by All Balls®. Feature Koyo and Nachi Bearings (precision Japanese crank bearings). Reduce crank pin wear with our crank seals. Designed with a carbon/fluorocarbon sealing lip to reduce dry start friction.
    Used by pro racing pilots and amateur bikers around the worldBlend of astounding operation and unmatched reliability
    $61.66
  • All Balls® - Crankshaft Bearing and Seal Kit
    All Balls®Crankshaft Bearing and Seal Kit (24-1021)
    0
    # mpn4697815952
    Crankshaft Bearing and Seal Kit by All Balls®. Feature Koyo and Nachi Bearings (precision Japanese crank bearings). Reduce crank pin wear with our crank seals. Designed with a carbon/fluorocarbon sealing lip to reduce dry start friction.
    Used by pro racing pilots and amateur bikers around the worldBlend of astounding operation and unmatched reliability
    $83.74
  • All Balls® - Crankshaft Bearing and Seal Kit
    All Balls®Crankshaft Bearing and Seal Kit (24-1023)
    0
    # mpn4697815949
    Crankshaft Bearing and Seal Kit by All Balls®. Feature Koyo and Nachi Bearings (precision Japanese crank bearings). Reduce crank pin wear with our crank seals. Designed with a carbon/fluorocarbon sealing lip to reduce dry start friction.
    Used by pro racing pilots and amateur bikers around the worldBlend of astounding operation and unmatched reliability
    $43.68
  • All Balls® - Crankshaft Bearing and Seal Kit
    All Balls®Crankshaft Bearing and Seal Kit (24-1030)
    0
    # mpn4697815945
    Crankshaft Bearing and Seal Kit by All Balls®. Feature Koyo and Nachi Bearings (precision Japanese crank bearings). Reduce crank pin wear with our crank seals. Designed with a carbon/fluorocarbon sealing lip to reduce dry start friction.
    Used by pro racing pilots and amateur bikers around the worldBlend of astounding operation and unmatched reliability
    $67.33
  • All Balls® - Crankshaft Bearing and Seal Kit
    All Balls®Crankshaft Bearing and Seal Kit (24-1056)
    0
    # mpn4697815930
    Crankshaft Bearing and Seal Kit by All Balls®. Feature Koyo and Nachi Bearings (precision Japanese crank bearings). Reduce crank pin wear with our crank seals. Designed with a carbon/fluorocarbon sealing lip to reduce dry start friction.
    Used by pro racing pilots and amateur bikers around the worldBlend of astounding operation and unmatched reliability
    $48.57
  • All Balls® - Crankshaft Bearing and Seal Kit
    All Balls®Crankshaft Bearing and Seal Kit (24-1010)
    0
    # mpn4697815929
    Crankshaft Bearing and Seal Kit by All Balls®. Feature Koyo and Nachi Bearings (precision Japanese crank bearings). Reduce crank pin wear with our crank seals. Designed with a carbon/fluorocarbon sealing lip to reduce dry start friction.
    Used by pro racing pilots and amateur bikers around the worldBlend of astounding operation and unmatched reliability
    $69.17
  • All Balls® - Crankshaft Bearing and Seal Kit
    All Balls®Crankshaft Bearing and Seal Kit (24-1029)
    0
    # mpn4697815928
    Crankshaft Bearing and Seal Kit by All Balls®. Feature Koyo and Nachi Bearings (precision Japanese crank bearings). Reduce crank pin wear with our crank seals. Designed with a carbon/fluorocarbon sealing lip to reduce dry start friction.
    Used by pro racing pilots and amateur bikers around the worldBlend of astounding operation and unmatched reliability
    $73.92




Friction is a huge problem in the engineering world. It takes the useful energy produced by the motor and converts it into harmful heat that, once accumulated, can destroy the whole assembly. Moreover, while accumulating thermal energy, the components subjected to friction suffer from abrasive wear of their surfaces. Friction in the engine can result in quick wear and/or overheating of the moving parts, yet it affects performance. Now, you know why every single shaft in the vehicle is supported by a bearing, or a few of them – these parts reduce friction.

While doing their crucial job though, the bearings themselves encounter wear. In most cases, bearings (especially engine bearings – the ones supporting the crankshaft), cannot be repaired, only replaced. The good news though is that these components are not that expensive. In fact, unless you’re doing the repair job yourself, it will cost you more to disassemble the engine to get to these worn-out shaft holders. And that’s the reason why only top-notch engine bearings make sense for your motocross bike. You can find and order them in our online store.

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