The external sphere ball bearing with seat made from stainless or chrome steel has the following features: automatic, aligning, repeated lubrication, dustproof, seal, convenient in installation and disassembly. It is wide used in chemical machinery, foodstuff machinery, medical machinery, textile machinery, metallurgical, mine machinery and all kinds of driving machinery.

    The design of external sphere ball bearing with seat made from stainless or chrome steel, with the Sunxin trademark, is scientific and reasonable. Its process is superior and its application is reliable. Moreover the top inner screw hole of external sphere ball bearing with seat made from stailess or chrome steel can be specially treated with heat treatment in order to enlarge positioning screw`s locking moment and prevent from crack of inner ring in according with the requirements of customers. The outer and inner ring of bearings can be treated sample, this enterprise can also manufacture all kinds of non-standard sphere ball bearings.