Principles of slewing bearing selection and application of slewing 16 Selection bearing type 17 17 17 17 17 17
Accuracy Magnitude and direction of loads Permissible operating temperature Vibration Operating speed Sealing
18
Selection of slewing bearing size
18 Determining bearing loads 19 Determining bearing size 19 Raceway capacity 19 Bolting capacity
26 Slewing bearing gear 27 Pinions
28 Lubrication 28 Bearing lubrication 28 Gear lubrication 29 Relubrication intervals and quantities 29 Bearings 29 Gears
20 Selection example
30 Relubrication procedures 30 Manual relubrication 30 Automatic relubrication
of slewing 21 Application bearings
data sheet 32 Application for slewing bearing
21 21 22 22 23 23
Associated components Support structure Support surfaces Overall flatness tolerance Flatness in the circumferential direction Flatness in the radial direction
2
26 Gear backlash
arrangements
24 Attachment bolts 24 Surface pressure in bolt joints 24 Calculation of bolted joints 25 Sealing arrangements
15