Clevite MS-2208A-.50MM High Performance Main Bearing Set -0.50mm Undersize

The Clevite MS-2208A-.50MM is a high-performance engine crankshaft main bearing set designed for demanding applications. This precision-engineered bearing set features 0.50mm undersize dimensions for use with reground crankshafts, providing the critical oil film separation needed for reliable operation under extreme conditions.

Advanced Bearing Design:

Clevite's main bearing design utilizes optimized grooving to balance lubrication needs with maximum load capacity. The upper main shells feature a 180-degree groove that effectively supplies oil to connecting rod bearings while maintaining optimal oil film thickness. The lower shells are ungrooved, creating a thicker oil film for the shaft to ride on, which provides a greater safety margin and improved bearing life compared to older full-grooved designs.

Key Features:

• 0.50mm undersize for reground crankshafts
• TriMetal bearing construction for strength and durability
• Optimized 180-degree upper shell grooving maximizes rod oiling while preserving oil film integrity
• Ungrooved lower shells for superior load capacity and bearing life
• High crush design ensures maximum bearing retention
• Reduced overlay thickness prevents overlay fatigue
• Engineered to minimize horsepower loss and peak oil film pressure

Performance Series Available:

Clevite offers multiple performance series to match specific engine requirements. The P-Series features maximum eccentricity and full grooving for extreme RPM applications with severe rod bore conditions. The H-Series provides medium eccentricity with enlarged chamfers for oversize crankshaft fillets, making it the recommended starting point for most performance builds. The K-Series adds proprietary TriArmor moly/graphite coating for enhanced protection under high loads and marginal oil flow conditions. The V-Series utilizes lead-indium overlay for superior conformability, while the M-Series features thick babbitt lining for engines experiencing severe crankshaft deflection and edge loading.

This bearing set is ideal for performance and racing applications where precision, durability, and optimized lubrication are critical for engine longevity and power output.