LFR series guide roller bearing is the most widely used, economical and practical product in linear guide roller. It can be adapted to cylindrical guide rail, with stable operation, small error, low operation noise and high operation speed. ● the contact between the roller and the guide rail is two-point 60 degree contact, which has good contact performance and small running resistance, so as to achieve a relatively long service life. ● the roller adopts the internal structure design of double row angular contact ball bearing and thickened outer ring, so that the roller has higher bearing capacity. The roller bearing is simple to install after being equipped with eccentric wheel and concentric shaft. The roller is made of high-quality bearing steel or stainless steel, and is processed by heat treatment and precision grinding, and filled with long-life high-quality multi-purpose grease. Metal dust cover (KDD) or rubber sealing ring (NPP) are used for roller dust control.