Bearing unit for a double disc coulter
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United States of America Patent
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Oct 24, 2017
Issued Date -
N/A
app pub date -
Jul 9, 2013
filing date -
Jul 9, 2012
priority date (Note) -
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Abstract
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) has a multi-stage sealing system. A first seal (11) is provided between the inner ring 3 and an internal ring race (17) of the outer ring (5). 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).
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