The deep groove ball bearings with protective washers are filled with lubricant at the manufacturing plant and do not require maintenance during operation.
Field of application: rigid two-pivot shafts of machines and mechanisms of various branches of mechanical engineering (80000, 180000 series), as well as units of control mechanisms of aircrafts operating under rocking motion (780000, 781000, 980000, 981000 and other series)..
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