... Shock-proof. JQ Roller Belt Conveyor Idler Roller JQ has produced conveyor rollers, conveyor idlers (axes, bases), conveyor spare parts (bearing housings, ... 219mmLength: 190 to 3,500mmOur range of belt conveyor rollers includes belt snubbing, belt tensioning and support rollers ... options including flatted, threaded and cross drilled5. Belt conveyor rollers are silent running Inquiry Please tell us your ...