Types of conveyor rollers: Type 1: plastic or steel handling surface ball bearing with a flexible shaft with diameter 8 mm plastic rollers with loading capacity up to 7 kgs Type 2: plastic or steel handling surface ball bearings bearing plastic heads plastic rollers with loading capacity up to 100 kgs with a flexible shaft Type 3: plastic or steel handling urface ball bearings bearing plastic heads plastic rollers with loading capacity up to 100 kgs with a screw axis Type 4: steel handling surface there are placed end of axis in plastic sleeves to eliminate surges to the frame of the conveyors ball bearings bearing plastic heads plastic rollers with loading capacity up to 100 kgs with housings More information Less Information