King OEM Main Crankshaft Bearings | BMW N52B30/N53B30/N55B30 Engines (MB7776SI)

King Engine Bearings
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$56.99 $112.28Instant Savings of 49% ($55.29)

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N52B30/N53B30/N55B30 Main Crankshaft Bearings by King Engine Bearings

Improve your engine's performance and replace old worn out OEM bearings with these long-lasting, high-quality Main Crankshaft Bearings by King Engine Bearings. Main crankshaft bearings hold your crankshaft in place, preventing it from being dislodged by forces from the pistons, and instead converting the reciprocating movement into rotation. King Connecting Rod Bearing Sets are constructed from various high-quality alloys, crafted carefully by a highly qualified team of professionals who are highly experienced in the Industry.


  • Only superior materials are used in King's bearings
  • Innovative production technology ensures a perfect fit
  • Advanced R&D software and analysis expertise
  • Crafted by experienced engineers and an advanced technical team


  • Crankshaft - 0.000/0.000
  • Housing - 0.000/61.036 | 0.000/70.053
  • Max Wall - 2.499
  • Max Length - 18.801 | 19.799 | 22.400


  • BMW N52B30 Engines
  • BMW N53B30 Engines
  • BMW N55B30 Engines

What's In The Box?

  • 1 - Full Set of Main Crankshaft Bearings
  • All Necessary Hardware
  • Instructions/Manuals (if applicable)
  • Warranty Information (if applicable)



All new King products are warranted to be free from defects for a period of one (1) year from the date of Activation, and no longer than 2 years from the purchase date.

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