Deep groove ball bearings are non-separable, comparatively rigid radial bearings; their balls are guided in deep radial running grooves. They are characterized by a high radial and axial load carrying capacity and can operate at very high speed. Combined loads are accommodated to an optimum degree. In fact, at higher speeds they are often better suited to transmit thrust loads than the ball thrust bearing. For these reasons and also economical price, it is the most widely used bearing.
Deep groove ball bearings are available with the following options:
• one or two non-rubbing metal shields (Z, ZZ)
• rubbing seals (RS, 2RS) made from synthetic rubber
Bearings with two shields or two seals are pre-lubricated with the correct quantity of lithium base grease. This permits operating temperatures of – 30°C + 110°C.
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