uxcell 625ZZ Deep Groove Ball Bearing 5x16x5mm Double Shielded Chrome Steel Bearings 2-Pack 5mmx16mmx5mm industrial TayMac SE450WH Weatherproof Box Extension

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uxcell 625ZZ Deep Groove Ball Bearing 5x16x5mm Double Shielded Chrome Steel Bearings 2-Pack 5mmx16mmx5mm industrial TayMac SE450WH Weatherproof Box Extensionuxcell 625ZZ Deep Groove Ball Bearing 5x16x5mm Double Shielded Chrome Steel Bearings 2 Pack Deep Groove Ball Bearings Ball bearing, in which the rolling elements are spherical balls. The purpose of a ball bearing is to reduce rotational friction and support radial and axial loads. (Reducing the friction of certain moving parts by replacing sliding friction with rolling friction)With small friction and high limit speed, cost effective and require