High-Quality Deep Groove Ball Bearings 6311-2RS/6311-ZZ (55*120*29mm)
Premium-grade chrome steel construction ensures superior durability and corrosion resistance for extended service life. Precision-engineered raceways and high-grade steel balls guarantee ultra-smooth rolling with minimal friction and noise. Sealed variants (2RS/ZZ) feature reinforced rubber shields or metal covers to block dust and moisture, ideal for harsh environments like industrial machinery, agricultural equipment, and automotive applications. Heat-treated for high load capacity (dynamic/static: 100kN/63kN), perfect for heavy-duty use in conveyor systems, electric motors, and power tools. Globally certified (ISO 9001) with strict tolerance control (ABEC-1 standard). Bulk discounts available—worldwide shipping, wholesale pricing. Stock up for seamless operations!