Chinese Superior quality BK BF Ball screw End support Bearing 1)BK Fixed End are comes with high accuracy Angular contact bearing,not cheaper Deep groove ball bearing. 2)Simplicity of Design and Assembly3)High Precision4)Dust-Proof EffectFBT can offer BK BF End support in full size,which include: BK10 / BF10 , BK12 / BF12 , BK15 / BF15 , BK17 / BF17 , BK20 / BF20 , BK25 / BF25 , BK30 / BF30 , BK35 / BF35 , BK40/BF40
