... High-power density Long life and low friction SKF NSK NTN Deep groove ball Bearing 6011: ModelMaterialI.DO.DThicknessNumber of RowDelivery ... steel5.We can provide any brands,for example, SKF,NSK, NTN, KOYO,TIMKEN, IJK, UBC, NACHI,KOYO, WESTON,THK, LYC, etc ...