A novel bearing cooling device for CNC machining center

The utility model discloses a novel bearing cooling device for CNC machining center, comprises a bearing, the outside of bearing is equipped with the bearing housing, bearing housing and bearing fixedconnection, the outside of bearing housing is equipped with the outer lane, be equipped with cooling channel between outer lane and the bearing housing, bearing, bearing housing and outer lane all set up on the bearing frame, liquid inlet channel and liquid channel have been seted up respectively to the both ends of bearing frame, liquid inlet channel and liquid channel all are linked together with cooling channel, the utility model discloses a setting up liquid inlet channel and liquid channel, can making oil expenses or water come to lower the temperature to the bearing, in addition when the too big needs of bearing load carry out rapid cooling, puts through semiconductor refrigeration piece and power, then freezes to use and carry out cooling to the bearing again after refrigerated oilor water are lowered the