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 Door Linear Motion System
【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 surface make 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