VOBOR 10pcs V624ZZ Miniature Steel V Groove Guide Pulley Rail Ball Bearing Double Shield 4x13x7mm for Track Liner Motion System

𝐒𝐢𝐳𝐞: Model: Guide Pulley Rail Ball Bearings U624ZZ, U Groove Width: 5.2mm / 0.2"; U Groove Depth: 1.8mm / 0.07" 𝐃𝐨𝐮𝐛𝐥𝐞 𝐒𝐡𝐢𝐞𝐥𝐝𝐞𝐝: Our U624ZZ Bearings with feature of double-shielded to prevent contaminants from entering and save lubricant 𝐏𝐫𝐞𝐦𝐢𝐮𝐦 𝐌𝐚𝐭𝐞𝐫𝐢𝐚l: These bearings are made of premium carbon steel, durablily, wear-resistant, and high-temperature resistant, and have a long service life 𝐔-𝐆𝐫𝐨𝐨𝐯𝐞: Carbon Steel Miniature Bearings has a 1.8mm deep U-shaped groove and is usually driven on the track. These are professional bearings that are used in many linear motion systems 𝐂𝐮𝐬𝐭𝐨𝐦𝐞𝐫 𝐒𝐞𝐫𝐯𝐢𝐜𝐞: If you have any questions before, during, or after your purchase of the u-groove bearing, please contact our customer service. We will do our best to resolve any problems you may encounter