Low LV series bearing can be widely used for cylindrical guide or the 120 ° V type guide rail. Unlike LFR series roller, LV series bearing strong adaptability of the size of guide rail, guide rail diameter size of each specification can adaptation range is larger, can be widely used in heavy rail, mobile devices, straightening machine, etc. The bearing USES double row Angle contact ball bearing internal structure design and thickened outer ring to make bearing have higher bearing capacity. The bearing outer ring of the bearing outer ring has the back knife groove, if the use of the requirement is not allowed to return the knife slot, can also order the bearing that does not bring back knife groove. The guiding system of LV series guide bearing has the following characteristics: 1. Small resistance, long life and wide application: the v-shaped surface of LV series guide bearing is machined with fine grinding and the surface roughness reaches Ra0.32. The V groove of bearing is parallel to the inner ring mounting plane. At work, the bearing and cylindrical guide rail between the force is smooth, friction resistance is small. 2. Simple and convenient installation: with eccentric shaft and concentric shaft of the bearing, it is convenient to install and adjust the eccentric amount of eccentric bearing to get the proper preload.