... groove profile with 120 degrees Angle. 3.Low resistance LV Track Roller –Vee Tracker -V groove profile with 120degrees Angle.- ... Seals-Low resistance, Long Service Life, Widely-Use-Easy InstallationLV track roller bearing, guide bearing, linear bearing, V bearing. Load ... Runners, idler rollers, rail bearing, load rails Track rollers with Gothic arch groove - type LV Series LV rollers ...