10Pcs V624ZZ V Groove Ball Bearings, Guide Pulley Bearing Carbon Steel Double Shielded Replacement Bearings for Linear Rail 4*13*6mm

【Carbon Steel Material】: These V624ZZ V groove ball bearings are made of high quality carbon steel material, high hardness and polished surface, high efficiency and low noise, which has long service life. 【Deep V Groove】: This guide pulley ball bearing has 1.5mm deep V groove that generally ride on a rail or track, which is safe and time-saving, precision machining to get the best performance. 【Double Shielded】: The carbon steel ball bearing is wear resistance and high temperature resistance, with double shielded to avoid contaminants entering and save lubricant. 【Package Include】: Our double shielded replacement ball bearings are used in many linear motion systems. There comes total 10pcs bearings which you may use for many different projects. 【Service Guarantee】: We provide 24-hour after-sales service, if you have any questions about the guide pulley, please feel free to contact us, we will try our best to solve your problem.