company
hebei conveyor idler manufacturer
bearing
6204/6205/6305/6303/6307/6308
application
mining roller conveyor system
shaft
45#steel (GB) equal to C45 (DIN)
certification
CE,ISO, BV,SGS,IKA,ETC
bearing brand
C&U, HRB,SKF or as requirements
tube material
carbon steel Q235 equal to S235JR sHAFT(DIN)
advantage
standard rollers or as your need