(June 1, 2011)

The Kaydon HS Series slewing ring bearings from RA Rodriguez are designed for medium- to heavy-duty applications such as cranes, aerial lifts, digger derricks, chute swivels and industrial turntables.

Each HS Series slewing ring bearing incorporates a rectangular cross section, four-point contact, gothic arch raceways and maximum ball complement.

This combination of features produces higher thrust and load capacities, which enable the bearings to accommodate moment loads of up to 139,900ft/lb (190KNm).

The space-saving HS Series also provides greater stiffness than comparable bearings thanks to its lower internal diametrical clearance, according to the company.

Outside diameters range from 20in to 47in (500mm to 1,200mm).

Configurations include internal geared, external geared and non-geared.

The gears are involute stub designs with 20deg pressure angles.

All HS models feature two fittings for lubrication and integral seals for protection against contamination.

Geared races have tapped holes and non-geared races through holes.

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