Roller Slewing Rings
This type of slewing ring is built with three independent rows of rollers, the upper, lower, and radial raceways are separated so that a load of each row of rollers can be accurately determined. It can bear various loads at the same time and has the largest loading capacity among all types of slewing rings. It has large dimensions and robust structure, especially suited for heavy machinery that requires larger diameters.
Available with inner gear, outer gear or no gear
Can accomodate very high loads and tilting moments
Equipped with sealing and lubrication system
Dimensions and Tolerances
Clearance for slewing rings is not standardized. ALPHA slewing rings can be supplied with different clearance or preload tolerances, based on the application type.