77152600 Kolbenschmidt MAIN BRG SET VW/AUDI 1.9 TDI

The Main Bearing Set VW/Audi 1.9 TDI, product number 77152600 from Kolbenschmidt, is a crucial component for engines with 1.9 liter TDI displacement found in Volkswagen and Audi vehicles. It is specifically used within the crankshaft of the engine's crankcase. This main bearing set provides enhanced engine reliability through its precise design and reduced friction, leading to improved performance and longer lifespan. Dimensions are 38.0 x 82.0 x 140.0 mm. 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.