Detailed description
Bearing model :A8-17N4D Four point contact ball slewing Bearing with internal gear
Inner Diameter ( ID ) :12.748 inch
Outer diameter (OD) :20.48 inch
Width/Height : 2.13 inch
Internal Gear Teeth
DP: DP=5
NO. of teeth: Z=65
Pressure Angle: a=20°
Modification coefficient: X=0
Material :50Mn
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.












