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Description
ISB slewing bearings in the standard ZK or NK lightweight series have one row of four contact point ball bearings with spacers in Nylon.
They are made with forged rings which are then machined to obtain the characteristic double flanged shape.
ISB ZK series slewing bearings have inner gear teeth, whilst the NK series is without gear teeth.
ISB slewing bearings do not have washers, have good sliding properties and can be supplied with standard holes or without holes.
They are supplied pre-greased.
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