... , facilitate again enclosure installation. 4.Maximum duty bearing size and standard bearing the same, but the inner and outer have ... S form double row).Copper alloy or phenolic resin cutting system maintain shelf, synthetic resin forming keep frame 6.Main ... loading/unloading machinery, agricultural machinery, various industrial machinery. 8. bearing number :6300 2rs,6301 2rs, 6302 2rs,6303 2rs ,6203 ...