EE REPORTED HE WAS REMOVING AN OLD BEARING. EE'S PARTNER STRUCK THE BEARING RACE WITH A HAMMER AND A PIECE OF STEEL FLEW OFF AND HIT EE IN THE LEFT UPPER SHOULDER AREA. A SMALL PIECE OF STEEL (APPROX. 3/8"" X 1/8"") WAS REMOVED BY DOCTOR. EE WAS PLACED ON RESTRICTED DUTIES AT THE TIME OF THE REMOVAL OF THE STEEL.