Premium P5-Grade 6311-2RS Deep Groove Ball Bearings

High-precision sealed bearings with 55x120x29mm dimensions for industrial and automotive applications. Waterproof and dustproof dual rubber seals (2RS) ensure extended lifespan in harsh environments. Ultra-smooth operation with low noise and vibration due to precision-ground steel races and high-grade balls.

Ideal for heavy machinery, electric motors, pumps, and conveyor systems requiring reliable rotation under load. Heat-treated chrome steel construction enhances durability and wear resistance. Optimized internal geometry reduces friction for energy-efficient performance.

Global wholesale pricing available for bulk orders with guaranteed lowest market rates. Direct-from-factory quality with strict ISO standards compliance. Suitable for OEM replacements or high-performance equipment upgrades.