209HS21552000 MAHLE Crankshaft Bearing Set

MAHLE's Engine Bearings, identified by MPN 209HS21552000, are designed for use in crankshafts within engines. With dimensions of 322.0 x 55.0 x 122.0 mm, they provide a precise fit. Manufactured in Slovakia, these bearings offer technical benefits including reduced friction and wear on moving parts, leading to improved engine performance and increased longevity. Dimensions are provided by the supplier and may include packaging dimensions. Crankshaft bearings are precision components facilitating smooth rotary motion between the crankshaft and engine block. Located within the engine’s main and connecting rod bearing bores, these bearings support significant loads and reduce friction generated by reciprocating piston motion. Typically manufactured from tri-metal or polymer-coated steel, they feature a split design for ease of installation and precise clearance control. Oil grooves and channels within the bearing surface maintain a hydrodynamic oil wedge, preventing metal-to-metal contact. Dimensional accuracy and material hardness are critical for maintaining engine performance and longevity, with variations existing for different engine families and load requirements.