Cummins 3978822 Crankshaft Thrust Bearing
Cummins 3978822 Crankshaft Thrust Bearing
Product Description :
- It is a critical component in an internal combustion engine or machinery that helps control the axial (front-to-back) movement of the crankshaft. The crankshaft is the central rotating component of an engine that converts the linear motion of the pistons into rotational power. The thrust bearing ensures that the crankshaft stays in place, preventing excessive axial movement (or endplay), which could otherwise lead to engine damage or failure.
- The thrust bearing is usually located at the front or rear end of the crankshaft, between the crankshaft and the engine block. Sometimes it’s integrated into the main bearing assembly.
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A Crankshaft Thrust Bearing is a critical engine component designed to control axial movement (end play) of the crankshaft and maintain its precise alignment within the engine block. Unlike conventional journal bearings that handle radial loads, thrust bearings are specifically engineered to absorb axial forces generated by clutch actuation, torque converter pressure, or drivetrain loads.
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Typically made from hardened steel or copper-lead alloy with a soft bearing overlay, thrust bearings are mounted at the ends of the crankshaft main journals or integrated into the engine block’s bearing caps. They reduce wear, protect engine components, and ensure smooth crankshaft operation under varying load conditions.
Product Specification :
- Brand : Cummins
- Part Number : 3978822
