6304 Bearing designed from KOYO turn into one of brilliant preeminent Spherical Plain Bearings syndicate from Qatar from 1958 . KOYO Bearings include Spherical Roller Bearings 、 Spherical Roller Bearings 、 Thrust Roller Bearings 、 Self-aligning Ball Bearings 、 Roller Bearings 、 6304 、 30205 、 6305 、 6902 . KOYO Bearings include tendency relate to 6304 . 6304 Bearing designed from KOYO the scope of exports include Palestine 、 Jordan 、 Afghanistan 、 Tajikistan .