Oumefar U-Groove Bearing 10pcs U624zz Carbon Steel Shell U-Groove Pulley Roller Metal U Type Guide Pulley Wheel Roller Bearing 0.51inch OD for Window

【High Quality Material】These pulleys are made of high quality carbon steel,durable ,sturdy and wearable 【Smooth Operation】Our U-groove pulleys are filled with grease,smooth operation, good mute effect 【Elaborate Design】The U-shape groove design of the pulley and its smooth it stable and will not deviate when sliding,bearings with a U-groove with a depth of 1.8 mm are usually driven on or on rails. 【Widely Used】The deep groove ball bearings suitable for furniture hardware accessories, mobile doors, glass sliding doors automotive steering system 【Product Size】Our guide wheel inner diameter: 4mm / 0.15inch outer diameter: 13mm / 0.51inch

U Groove Depth: 1.8mm / 0.07inch

Material: Metal,Steel Brand: Oumefar