Conveyor rollers consists of which two
Refers to a built-in motor driven roller roller, here we are with sprockets, timing belt pulleys, etc can be geared motor-driven rollers. Structure and no power is basically the same, only built-in or installed outside of the motor sprocket or pulley can be driven by the gear motor parts. Non-powered conveyor roller free roller is determined by the cylinder, shaft cores, deep groove ball bearings and bearing mounts, and in use as a secondary roll itself is power, relying on external rolling.
Next: No Information