Powersports Engine Bearings

Powersports Engine Bearing
  • Wiseco® - Powersports Top End Bearing
    Wiseco®Powersports Top End Bearing
    0
    # sp182483
    Powersports Top End Bearing by Wiseco®. 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...
    Guaranteed workmanship and material qualityPeerless quality and superior consistency
    $20.10
  • QuadBoss® - Crankshaft Bearing and Seal Kit
    QuadBoss®Crankshaft Bearing and Seal Kit
    0
    # sp142656
    Crankshaft Bearing and Seal Kit by QuadBoss®. Koyo™ precision crank bearings. Double-lip seals with PTFE contact area tolerates dry start conditions with less crankshaft pin wear
    Rigorously tested to withstand years of abuseDesigned with innovative manufacturing techniques
    $55.15 - $120.26
  • Wiseco® - Top End Bearing
    Wiseco®Top End Bearing (B1005)
    0
    # mpn4648908300
    Top End Bearing by Wiseco®. Length: 22.5mm. Inner Diameter: 16mm. Outer Diameter: 21mm. 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 (B1002)
    0
    # mpn4648908299
    Top End Bearing by Wiseco®. Length: 23.8mm. Inner Diameter: 18mm. Outer Diameter: 23mm. 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 (B1008)
    0
    # mpn4648908277
    Top End Bearing by Wiseco®. Length: 19.5mm. Inner Diameter: 16mm. Outer Diameter: 21mm.
    Guaranteed workmanship and material qualityPeerless quality and superior consistency
    $20.10
  • Wiseco® - Top End Bearing
    Wiseco®Top End Bearing (B1003)
    0
    # mpn4648908221
    Top End Bearing by Wiseco®. Length: 21.80mm. 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 (B1014)
    0
    # mpn4648908215
    Top End Bearing by Wiseco®. Length: 22mm. Inner Diameter: 18mm. Outer Diameter: 23mm.
    Guaranteed workmanship and material qualityPeerless quality and superior consistency
    $20.10
  • QuadBoss® - Crankshaft Bearing and Seal Kit
    QuadBoss®Crankshaft Bearing and Seal Kit (5324-1087)
    0
    # mpn4855427108
    Crankshaft Bearing and Seal Kit by QuadBoss®. Koyo™ precision crank bearings. Double-lip seals with PTFE contact area tolerates dry start conditions with less crankshaft pin wear.
    Koyo® precision crank bearingsDouble lip seals with PTFE contact area tolerates dry start conditions with less crankshaft pin wear
    $114.33
  • QuadBoss® - Crankshaft Bearing and Seal Kit
    QuadBoss®Crankshaft Bearing and Seal Kit (5324-1084)
    0
    # mpn4855427083
    Crankshaft Bearing and Seal Kit by QuadBoss®. Koyo™ precision crank bearings. Double-lip seals with PTFE contact area tolerates dry start conditions with less crankshaft pin wear.
    Koyo® precision crank bearingsDouble lip seals with PTFE contact area tolerates dry start conditions with less crankshaft pin wear
    $100.06
  • QuadBoss® - Crankshaft Bearing and Seal Kit
    QuadBoss®Crankshaft Bearing and Seal Kit (5324-1083)
    0
    # mpn4855426740
    Crankshaft Bearing and Seal Kit by QuadBoss®. Koyo™ precision crank bearings. Double-lip seals with PTFE contact area tolerates dry start conditions with less crankshaft pin wear.
    Koyo® precision crank bearingsDouble lip seals with PTFE contact area tolerates dry start conditions with less crankshaft pin wear
    $55.15
  • QuadBoss® - Crankshaft Bearing and Seal Kit
    QuadBoss®Crankshaft Bearing and Seal Kit (5324-1043)
    0
    # mpn4855426337
    Crankshaft Bearing and Seal Kit by QuadBoss®. Koyo™ precision crank bearings. Double-lip seals with PTFE contact area tolerates dry start conditions with less crankshaft pin wear.
    Rigorously tested to withstand years of abuseDesigned with innovative manufacturing techniques
    $87.16
  • QuadBoss® - Crankshaft Bearing and Seal Kit
    QuadBoss®Crankshaft Bearing and Seal Kit (5324-1092)
    0
    # mpn4855426301
    Crankshaft Bearing and Seal Kit by QuadBoss®. Koyo™ precision crank bearings. Double-lip seals with PTFE contact area tolerates dry start conditions with less crankshaft pin wear.
    Koyo® precision crank bearingsDouble lip seals with PTFE contact area tolerates dry start conditions with less crankshaft pin wear
    $74.53
  • WSM® - Crankshaft Bearing
    WSM®Crankshaft Bearing
    0
    # sp182563
    Crankshaft Bearing by WSM®. 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...
    Expertly crafted from the highest grade materialsMade with experience and proven by quality
    $8.89 - $126.25
  • Outlaw Racing® - Wrist Pin Bearing
    Outlaw Racing®Wrist Pin Bearing
    0
    # sp171282
    Wrist Pin Bearing by Outlaw Racing®. 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 mind. It will meet your needs and deliver great quality...
    Top-End Wrist pin bearings are the main components in transmitting the engine's explosive force from the crown of the piston to the rotating assemblyWrist pin bearings are manufactured from SCM415 Chromoly Steel and treated using a process called carbonnitriding; this enhances the fatigue strength and heat dissipating capacity of the cage
    $6.25 - $10.32
  • All Balls® - Crankshaft Bearing and Seal Kit
    All Balls®Crankshaft Bearing and Seal Kit
    0
    # sp166337
    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
    $30.21 - $150.17
  • Hot Rods® - Crankshaft Main Bearing and Seal Kit
    Hot Rods®Crankshaft Main Bearing and Seal Kit
    0
    # sp172442
    Crankshaft Main Bearing and Seal Kit by Hot Rods®. Replacement. A quality alternative to expensive OEM bearings and seals. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a...
    Stringently tested with the highest quality standardsBuilt for long-lasting dependability and unmatched quality
    $19.76 - $120.77
  • Hot Rods® - Crankshaft Plain Bearing
    Hot Rods®Crankshaft Plain Bearing
    0
    # 2183785997
    Crankshaft Plain Bearing by Hot Rods®. 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...
    Stringently tested with the highest quality standardsBuilt for long-lasting dependability and unmatched quality
    $23.36 - $27.86
  • Hot Rods® - Engine Counter Balancer Bearing Kit
    Hot Rods®Engine Counter Balancer Bearing Kit
    0
    # sp172443
    Engine Counter Balancer Bearing Kit by Hot Rods®. Replacement engine counter-balancer bearing kit. Includes all bearings necessary to rebuild the counter-balancer shaft. This top-grade product is expertly made in compliance with...
    Stringently tested with the highest quality standardsBuilt for long-lasting dependability and unmatched quality
    $14.90 - $79.16
  • Namura® - Top-End Needle Bearing
    Namura®Top-End Needle Bearing
    0
    # sp167423
    Top-End Needle Bearing by Namura®. Quality materials mean increased longevity and continued performance. A critical aspect of any rebuild, gaskets are often given little thought. However, the right materials can make all the difference
    Carefully developed for the highest level of qualityUnsurpassed in functionality and reliability
    $6.86 - $9.71
  • ProX® - Crankshaft Bearing and Seal Kit
    ProX®Crankshaft Bearing and Seal Kit
    0
    # sp147085
    Crankshaft Bearing and Seal Kit by ProX®. Crankshaft bearings and seals are manufactured at leading OEM factories, mainly in Japan. All bearings and seals are made to exact OEM specifications, to ensure maximum quality and performance....
    Carefully developed for the highest level of qualityReady to serve reliably for years to come
    $55.95 - $132.17
  • SP1® - Chaincase Gasket
    SP1®Chaincase Gasket
    0
    # sp185981
    Chaincase Gasket by SP1®. 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 materials...
    Strict quality control from start to finishMade using the finest materials and advanced technologies
    $28.44
  • SP1® - Crankshaft Bearing
    SP1®Crankshaft Bearing
    0
    # sp230071
    Crankshaft Bearing by SP1®. 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...
    Strict quality control from start to finishMade using the finest materials and advanced technologies
    $36.08 - $52.53
  • WSM® - Bearing Needles with Washers
    WSM®Bearing Needles with Washers
    0
    # 3703127310
    Universal Bearing Needles with Washers by WSM®. 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...
    Fabricated on state-of-the-art equipmentComply with stringent standards for quality
    $10.66 - $12.55
  • WSM® - Lower Connecting Rod Bearing
    WSM®Lower Connecting Rod Bearing
    0
    # sp182565
    Lower Connecting Rod Bearing by WSM®. 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...
    Expertly crafted from the highest grade materialsMade with experience and proven by quality
    $6.24
  • WSM® - Upper Rod Bearing
    WSM®Upper Rod Bearing
    0
    # sp182570
    Upper Rod Bearing by WSM®. 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 materials...
    Expertly crafted from the highest grade materialsMade with experience and proven by quality
    $7.58 - $13.19
  • Wiseco® - Top End Bearing
    Wiseco®Top End Bearing
    0
    # sp177247
    Top End Bearing by Wiseco®. Wiseco engineers have chosen high quality bearings that are manufactured to the highest standards and are case hardened for maximum life and smooth operation at high RPM's.
    Expertly crafted utilizing advanced technologiesDesigned to provide exceptional quality and durability
    $20.10
  • WSM® - Crankshaft Bearing
    WSM®Crankshaft Bearing (010-206-01)
    0
    # mpn4692804831
    Crankshaft Bearing by WSM®. Position: Magneto Side/Inners/PTO Side. 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....
    Expertly crafted from the highest grade materialsMade with experience and proven by quality
    $13.73
  • WSM® - Crankshaft Bearing
    WSM®Crankshaft Bearing (010-222)
    0
    # mpn4619716724
    Crankshaft Bearing by WSM®. 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...
    Expertly crafted from the highest grade materialsMade with experience and proven by quality
    $17.16
  • WSM® - Crankshaft Bearing
    WSM®Crankshaft Bearing (010-220-01)
    0
    # mpn4619716723
    Crankshaft Bearing by WSM®. Position: Outer Main. 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...
    Expertly crafted from the highest grade materialsMade with experience and proven by quality
    $13.19
  • WSM® - Crankshaft Bearing
    WSM®Crankshaft Bearing (010-216)
    0
    # mpn4619716722
    Crankshaft Bearing by WSM®. Position: Magneto Side. 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...
    Expertly crafted from the highest grade materialsMade with experience and proven by quality
    $15.00




Any motor has more or less loaded rotating parts, and most of them use engine bearings which help to minimize friction and prolong the lifespan of these components. Bearings are always used in places supporting the crankshaft and crank pins; as for the camshafts, not all of them come with bearings. In many DOHC motors, the cams are just fixed in several journals that have oil channels to provide good lubrication. These parts are not so heavily loaded, so such a setup can work as long as the motor itself if oil quality and pressure are high enough.

There are several kinds of engine bearings including journal, ball, and roller ones. Needle bearings belong to the last type. Thanks to their extremely small cross section and the ability to handle high loads, they are typically installed in places with the lack of space, for instance, in connecting rods. The crank can be supported by ball or roller bearings, and the latter are considered more resistant to high revs. In fact, there are numerous configurations in each of these categories including such options as tapered and double-row bearings.

All of them are selected at the design stage depending on the combination of radial and thrust loads and other working conditions. Meanwhile, many modern powersports vehicles outfitted with four-strokers rely on journal bearings that are rather durable and can work at higher revs, although they are more sensitive to the quality of lubrication. On our virtual shelves, you will find a vast array of engine bearings of all types. If you're about to rebuild the motor and replace some of them, it can be reasonable to get a complete bearing kit rather than trying to find each part individually, and we have plenty of various offerings. The quality of steel, design, and precision are the main aspects making these parts reliable, and we've gathered strong and durable products by reputable companies.

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