Professional-grade 6806-2Z deep groove ball bearing featuring double metal shields for high-speed dust protection. Engineered with 30mm bore, 42mm OD, and 7mm width for reliable industrial performance. Delivers exceptional dynamic load capacity of 5.05kN and static load capacity of 4.0kN with smooth operation up to 13000 RPM. Ideal for motors, machinery, automation equipment, and transmission systems. Available for retail purchase, wholesale orders, and OEM customization. Fast delivery, competitive pricing, and quality guaranteed.