The JCB 02912627 is a genuine OEM big end bearing O/S (oversize), designed for the crankshaft assembly in various JCB engines. This critical component ensures smooth operation and proper clearance for the connecting rod on the crankshaft. It measures 95 mm in length, 51 mm in width, and 23 mm in height, with a weight of 0.12 kg, ensuring precise fit and reliable performance in heavy-duty applications.