High-quality BEPCO standard size main bearing pair, part number 836119458, designed for a wide range of Massey Ferguson tractors and Perkins engines. This essential engine component ensures smooth crankshaft rotation and reliable performance. It is a direct replacement for OEM part numbers including 3637175M91, 3637176M91, 741697M91, and 741698M91. Confirmed fitment across numerous MF 100, 200, 300, 500, 600, 1000, 2000, 3000, 4000, 5000, 6000, and 8000 series models, as well as Perkins A4.212, A4.236, A4.248, AD4.236, AT4.236, T4.236, A6.354, AT6.354, T6.354, 1004.4, 1004.4T, 1006.6, and 1006.6T engines. Weighs 1.00 kg.