Lower connecting rod bearing

Sulzer AL25/30 Lower Connecting Rod Bearing

Sulzer AL 25/30
The ‌Sulzer AL25/30 lower connecting rod bearing‌ is a critical component in the engine's crankshaft assembly, designed to support the connecting rod and ensure smooth rotation under high loads.
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Description
Sulzer AL25/30 lower connecting rod bearing‌ introduction: 
 
1. Structural Design
1) A split structure is used, bolted to the connecting rod big-end bearing cap to ensure precise fit with the crankpin.
2) The bearing surface typically has a copper alloy lubricating layer and is equipped with oil grooves to optimize lubrication distribution and reduce high-speed friction and wear.
 
‌2. Function‌
 1)Load-bearing‌: Transfers combustion forces from the piston to the crankshaft.
‌ 2)Lubrication‌: Requires proper oil film to prevent metal-to-metal contact and reduce wear.
‌ 3)Alignment‌: Maintains precise alignment between the rod and crankshaft journal.