Professional-grade 687-2Z deep groove ball bearing featuring double metal shields for high-speed dust protection. Engineered with 7mm bore, 14mm OD, and 5mm width for reliable industrial performance. Delivers exceptional dynamic load capacity of 1.73kN and static load capacity of 0.85kN with smooth operation up to 34000 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.