1 ISO9001 ,ISO/TS16949 certificated 2 precision :P6,P5,P4 3.general industrial and automotive applications Bitmap Bitmap Bitmap Bitmap Bearing No.Dimension(mm)Limited speedLoad weight(r/min)(N)dDTBCRrgreasingoil eYKgCrCorJRM3939/3972XD3972 18.5373.51.13900500063000940000.472.140.665JRM3838/3870XD3870 19383.514000510063000940000.472.140.63JRM4040/4072XD4072 18.5373.51.13800420063000940000.472.140. ...