(1) Without gear bearings  (2) Internal gear bearings  (3) External gear bearings 1）Light slewing bearing without gear Strengths:Th ...
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 (1) Without gear bearings  (2) Internal gear bearings  (3) External gear bearings 1) Single row  crossed roller slew bearings withouut Ge ...
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(1) Internal gear bearings  (2) External gear bearings 1)  Double row  ball slew bearings Internal Gear Strengths:The Oil nipple's loc ...
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