... bearings 1.Precision: P5,P4 2.Professional manufacturer Double direction axial angular contact ball bearing, please read IXIN pdf ... speedPrecision grade P4-P2, SP, UPWide working temperature Double direction thrust angular contact ball bearingsBearing No.Dimension (mm) dDH234406 ... -M-SP350520212234472-M-SP360540212234772-M-SP370540212 Double direction axial angular contact ball bearing