The Volvo Penta 276894 is a genuine OEM standard size (STD) main bearing, specifically designed for crankshaft support in various Volvo Penta marine diesel engines. This critical engine component ensures smooth operation and proper alignment of the crankshaft, contributing to the engine's overall reliability and longevity. It is compatible with a range of Volvo Penta models, including MD2010, MD2020, MD2030, MD2040, D1-13, D1-20, D1-30, and D2-40 series engines, providing precise fitment and dependable performance for demanding marine applications.