IBC high precision angular contact ball bearings
with speed-optimized internal design
Series HM 719.. and HM 70..
IBC HM 719.. and HM 70.. high-precision angular contact ball bearings have been developed in response to the continuing trend of higher speeds in machine tool spindles. These series can reach nearly the same speeds as the H-version and at the same time have almost the same load rating as the standard version. The conflicting goals of speed and load rating can therefore be resolved with this design.