+43 664 88299952 info@alphabearing.net
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Ball Slewing Rings

double row

This type of slewing ring is composed of one inner ring, one outer ring, steel balls, and spacer retainers. It has higher load capacity compared to single row slewing rings. Double row slewing rings are relatively large and solid in structure.


Available with inner gear, outer gear or no gear


Can accomodate high loads and tilting moments


Equipped with sealing and lubrication system

Dimensions and Tolerances

The general tolerances of slewing rings conform to ISO 286-1 and ISO 286-2. The boundary dimensions of slewing rings are not standardized. Please contact our technical department to get our slewing rings catalogue.

Bearing Clearance or Preload

Clearance for slewing rings is not standardized. ALPHA slewing rings can be supplied with different clearance or preload tolerances, based on the application type.


Nikolaigasse 39 – 9500 Villach (Austria)
+43 664 88299952
UID-Nr / VAT: ATU68405219