Description:Bearing Steel Material: Deep groove ball bearings are made of bearing steel, offering good hardness, strength, and wear resistance, ensuring a long service life.Double Shielded Protection: The bearings are equipped with double metal seals that effectively retain internal grease, preventing dust and moisture from entering, protecting the bearing's internal working components, and maintaining optimal performance.Flange Design: The flange edge prevents the bearing from sliding within the wheel hub, and the smooth raceway design ensures quiet operation. They are pre-lubricated with high-speed grease for smooth, maintenance-free operation and easy installation into suitable wheels and rotating components.
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