Dustproof deep groove ball bearing

Dustproof deep groove ball bearing

  • CN 105,526,265 A
  • Filed: 09/24/2015
  • Published: 04/27/2016
  • Est. Priority Date: 09/24/2015
  • Status: Active Application
First Claim
Patent Images

1. a dust-proof deep groove ball bearing, comprise bearing outer ring (1), the bearing inner race (2) of this bearing outer ring inside is disposed coaxially on bearing outer ring, multiple bearing ball (3) is arranged between bearing outer ring (1) and bearing inner race (2), and bearing ball (3) rolls in the outer ring raceway of the outer ring raceway of the internal surface of bearing outer ring (1) and the outer surface of bearing inner race (2);

  • Inner chamber between bearing outer ring (1) and bearing inner race (2) is sealed by two O-ring seals (5) that axial opposite is arranged each other, fill with bearing lubricant in inner chamber between bearing outer ring (1) and bearing inner race (2), it is characterized in that;

    The circular crosssection of seal ring (5) has multi-layer structure, comprise;

    outermost radial seal limit (5.4), insert and be fixed on the dust cover (5.5) in radial seal limit (5.4) slot of seal ring (5), attachment and the axial seal lip (5.6) on dust cover;

    Axial seal lip (5.6) has end to the protruding trapezoidal profile of the inner chamber between bearing outer ring (1) and bearing inner race (2);

    At least the seal ring (5) of side is positioned at bearing outer ring (1) alveolus (1.8), outer ring alveolus (1.8) and seal ring outer lip (5.1) axial interference fit, simultaneously between the seal ring (5) and bearing inner race (2) of this side, there is radial clearance, the bearing inner race (2) in this side have compared to bearing outer ring (1) thickness axially deducting seal ring (5) width.

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