... -1,ABEC-3 4.Wide range Angular Contact lfr track roller bearing 1. Quality level: reach the same level as the Japanese ... : Series 78, 79, 70, 72, 73 - Single and duplex arrangement, high precision grade: Series 78C, 79C, 70C, 72C, 73C- Double row type ... equipment, pumps and printing presses Packing:Work house: lfr track roller bearing