DEVICE FOR SUPPLYING OIL FOR STUD TYPE TRACK ROLLER BEARING

摘要

PURPOSE: A device for supplying oil for a stud type track roller bearing is provided to effectively supply the oil to the track roller bearing by supplying the oil to both sides of the track roller bearing. CONSTITUTION: A track roller bearing(100) has hexagonal wrench grooves(111) formed at a head unit(110) and a helix unit(130) in an oil passage(140) formed in a shaft(120). A nipple(200) is fit into the hexagonal wrench grooves. An insertion unit(210) is formed at one end of the nipple, and has an inner passage(211). A flange unit(220) is formed at the other end of the nipple, and has a nozzle inserting hole(221). A ball(212) and a spring(213) are installed at the passage. The ball opens/closes the nozzle inserting hole.