Ball retaining cage for bearings and a deep groove ball bearing
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United States of America Patent
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Dec 2, 2014
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N/A
app pub date -
Dec 20, 2011
filing date -
Dec 21, 2010
priority date (Note) -
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Abstract
A cage for a ball bearing unit comprises two half-cages (51, 52) which are connected to each other and are symmetrical about a mid-plane (P) of the bearing. Each half-cage has an annular body (53) providing two concentric and circumferentially continuous radial ridges (56, 57) extending radially in opposite directions, of which the first ridge (56) extends in a radially outward direction for sealingly engaging a groove (25) formed in the outer ring of the bearing unit, and the second ridge (57) extends in a radially inward direction for sealingly engaging a groove (35) formed in the inner ring of the bearing unit.
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