La description
Depending on the application, Slewing rings are divided into five
types:
1. Single-row ball slewing ring
*Four point contact bearing, balls arranged 1:1
*Two seat rings (one on inner- and one on outer ring)
*Compact structure
*Light in weight
*Axial load, radial load and tilting moment simultaneously
2. Single-row roller slewing ring
*Rollers are arranged crossways 1:1
*Two seat rings (one on inner- and one on outer ring)
*Compact in design
*Light in weight
*Small clearance
*Axial load, resultant moment and considerable radial force
3. Double-row ball slewing ring
*Eight point contact bearing, with same or different ball
diameters
*Three seat rings
*Open fitting, convenient for installation purposes
*Suitable for large connecting structures
*Large axial load and tilting moment
4. Three-row roller slewing ring
*Three seat rings
*Suitable for highest axial loads and tilting moments
*Suitable for large connecting structures
5. Ball and Roller combined slewing ring
*Two seat rings
*Raceways diameter from ***0mm to ***6mm
*Suitable for relatively high axial loads
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