Ролик коромысла клапана, внутренний диаметр 20,11 мм Caterpillar 318-2359

A Rocker Arm Valve Roller transmits the rotational motion of the camshaft to the vertical movement required for opening and closing the engine's valves. This mechanism is essential for controlling the intake and exhaust of air and fuel, as well as the expulsion of exhaust gases during the engine's combustion cycle.Attributes:• Minimizes friction for smooth movement.• Enables precise opening and closing of engine valves. • Converts camshaft rotation into vertical valve movement.Applications: A Rocker Arm Valve Roller is for translating the camshaft's rotation into a vertical movement to open and close the engine's valves. As the camshaft rotates, the cam lobe pushes against the roller on the rocker's arm, causing the valve to open or close at precise intervals.