BEARING UNIT FOR A DOUBLE DISC COULTER

摘要

The invention concerns a compact bearing unit 1 for a double disc coulter 2 with ball bearing 23 with an inner ring 3, outer ring 5 with flange facing and a protective cap 7, which contains a multi-stage sealing system, whereby a first seal 11 is provided between the inner ring 3 and an internal ring race 17 of the outer ring 5, and at least one additional seal 14 is arranged between the protective cap 7 and a ring race 13, 17 of the outer ring 5, whereby said seal does not make any additional installation space necessary in the axial direction of the bearing unit 1.