Double-row ball slewing bearing

Double-row ball slewing ring with same diameter balls is usually used for wind driven generators and concrete pump trucks. In wind driven generator applications, double-row ball slewing ring is often installed at the bottom of propellers for variable pitch control which requires zero clearance, large start friction moment and high running accuracy.

With compact construction, the double-row ball slewing ring bearing decreases the diameter of mounting holes in the inner and outer ring and increases the loading capacity.

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Double-row ball slewing ring slewing ring ball bearing bearing for wind generator roller bearing Bearing supplier
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