Japanese essence is versed in (weigh NSK below) the bearing of epoch-making tall function of the customer that development gave to get used to all property dividing line (HPSTM moves series of heart roller bearing automatically) begin to sell. The service life of this kind of bearing is before 2 times of the service life of kind of norms bearing samer, go up to be able to be achieved greatly most in circumgyrate number at the same time of 20% rise. Reducing the respect such as design of cost, economic energy resources to make quite large contribution. The bearing photograph that moves heart roller bearing and other type automatically is compared, because have capacity of high load capacity while also have the sex that move a heart (the place that can be being used is not same heart) , because this is being used,go up very convenient, the industry waits in machinery of steely, papermaking, mine, construction by extensive use. While this asks bearing rises in turning quality, macrobian lot also must be had. To achieve these goals, NSK moves heart roller bearing automatically in the tall function that began a sale 1998 (EA series) got domestic and international accord reputably, the HPSTM that begins a sale this moved series of heart roller bearing automatically to get rising considerably again on function, came true high-powered change. HPSTM moves series of heart roller bearing automatically is course height the bearing of roller of heart of high-powered automatic attune that analytic technology develops with strict test. NSK undertook bearing external diameter to the 42 sort of 260mm from 80mm systematization, expect to be in domestic and international the market of extensive diverse dividing line undertakes selling. CNC Milling