10pcs Deep Groove Ball Bearing Metal Shielded Bearing (686-ZZ 6x13x5mm) $ 21.34 Made of premium steel material, anti-corrosion and rustproof, durable in use. 22. High accuracy, stable performance, long service life and high reliability. 33. Double-sided metal shielded design, waterproof and dustproof. 44. Exquisite mechanical design makes little noise when rotating. 55. Fine workmanship, smooth surface, excellent mechanical properties.
