Detailed description
Bearing model:91-20 0311/1-07103 Four-point Contact Ball Slewing Bearing with External gear
Inner Diameter (ID) :204 mm
Outer diameter (OD) :404 mm
Width/Height: 56 mm
External Gear Teeth
Moudle: M=5
NO. of teeth: Z=79
Modification coefficient: X=0
Material:50Mn/42CrMo
Radial clearance:0-0.03mm
Axial clearance:0-0.03mm
Seals type: Rubber/Fluororubber seals
Lubrication: Grease
It is widely used in hoister transportation, mining, architecture, harbor machinery, shipping mechanism, radar machinery of high accuracy, and large-scale rotary devices on aspect of missile launcher.












