Abstract: A conveying system includes: two axially spaced supporting tubular frames extending substantially parallel in the conveying direction (F) of the conveying system; at least one plurality of driving rollers and/or wheels; at least one plurality of supporting shafts, each adapted to be engaged in at least one of the supporting tubular frames to support at least one driving roller and/or at least one driving wheel; at least one first supporting bearing (7) for each supporting shaft. The conveying system (100) further includes at least one housing (8) for the at least one first supporting bearing (7). The housing includes fastening elements (9) to removably fasten the housing (8) and bearing (7) held therein within at least one supporting tubular frame.