Collection: Main Bearings
Main bearings are crucial components located between the engine crankshaft & the engine block. Their primary function is to support the crankshaft & reduce friction between the rotating crankshaft & the engine block. Main bearings are typically made of a durable & wear-resistant material, such as steel-backed aluminum alloy or tri-metal construction, to withstand the high loads & forces experienced during engine operation. They are designed to provide a smooth & low-friction surface for the crankshaft to rotate on, ensuring proper lubrication & preventing excessive wear & damage. Main bearings are available in various sizes & designs to fit specific engine applications. Upgrading to performance main bearings can provide enhanced durability & reliability, especially in high-performance or heavy-duty engines. Regular inspection & maintenance of main bearings are essential to check for signs of wear, damage, or loss of clearance, as worn or damaged main bearings can lead to catastrophic engine failure. Proper lubrication & oil quality are crucial for the optimal performance & longevity of main bearings, as they rely on a continuous supply of clean & high-quality engine oil to reduce friction & dissipate heat.
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Wiseco Powersports Main Bearing Kit 25x52x15 & 22x52x15 BK5063
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Wiseco Powersports Main Bearing Kit 39x65x18 30x76x19 BK5062
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Wiseco Powersports Main Bearing Kit (2) 30 x 72 x 18mm BK5061
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Wiseco Powersports Main Bearing Kit (2) 30 x 63 x 16mm BK5060
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Wiseco Powersports Main Bearing Kit (2) 30 x 62 x 16mm BK5059
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Wiseco Powersports Main Bearing Kit (2) 28 x 68 x 18mm BK5058
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Wiseco Powersports Main Bearing Kit 32x75x20 & 30x72x19mm BK5049
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Wiseco Powersports Main Bearing Kit (2) 30 x 72 x 18mm BK5048
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Wiseco Powersports Main Bearing Kit (2) 30x76x17.5mm BK5047
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Wiseco Powersports Main Bearing Kit (2) 30 x 62 x 16mm BK5041
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Wiseco Powersports Main Bearing Kit (2) 30 x 62 x 16mm BK5039
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Wiseco Powersports Main Bearing Kit (2) 30 x 64 x 16mm BK5036
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Wiseco Powersports Main Bearing Kit 39x65x18 & 30x72x19mm BK5031
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Wiseco Powersports Main Bearing Kit 39x58x16 & 30x72x16mm BK5030
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Wiseco Powersports Main Bearing Kit 35x72x17 & 32x65x17mm BK5028
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Wiseco Powersports Main Bearing Kit 30x62x20 & 35x72x17mm BK5027
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Wiseco Powersports Main Bearing Kit 30x62x16 & 25x62x17mm BK5026
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Wiseco Powersports Main Bearing Kit (2) 28 x 72 x 18mm BK5024
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Wiseco Powersports Main Bearing Kit 25x55x15 & 25x62x16mm BK5023
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Wiseco Powersports Main Bearing Kit 20x47x14 & 22x56x16mm BK5022
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Wiseco Powersports Main Bearing Kit 25x62x17 & 28x68x18mm BK5019
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Wiseco Powersports Main Bearing Kit 30x62x16 & 25x62x17mm BK5018
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Wiseco Powersports Main Bearing Kit 25x62x17 & 22x56x16mm BK5017
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Wiseco Powersports Main Bearing Kit 25x62x17 & 20x52x15mm BK5016
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