Sell 10pcs U624ZZ U Groove Ball Bearing Guide Pulley For Rail Track Linear Motion System 4*13*7mm best price

Features: These bearings are made from high quality carbon steel for durability and long service life. They are double shielded to avoid contaminants entering and save lubricant. Bearings have 1.8mm deep U groove that generally ride on a rail or track. These are specialized bearings that are used in many linear motion systems. There comes total 10 pieces bearings which you may use for many different projects. Specifications: Material: Carbon steel Model: U624ZZ Inner Diameter: 4mm / 0.15" Outer Diameter: 13mm / 0.51" Height: 7mm / 0.27" U Groove Width: 5.2mm / 0.2" U Groove Depth: 1.8mm / 0.07" Quantity: 10pcs Package Includes: 10 x Bearings #UGrooveBearing #UGroovePulley #BallBearing #UBearing #U624ZZBearing