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BB11020 Four Point Contact Ball Slewing Bearing

BB11020 is a four point contact ball slewing bearing with a 4.331 in inner-ring bore, 6.299 in outer-ring outside diameter and 0.787 in overall assembly height. The four-point contact arrangement supports loads from multiple directions in a compact cross-section. There is no integral drive gear.
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  • BB11020

  • BWK

  • BWK-BB11020

DESCRIPTION

Product Overview

BB11020 is a four point contact ball slewing bearing with a 4.331 in inner-ring bore, 6.299 in outer-ring outside diameter and 0.787 in overall assembly height. The four-point contact arrangement supports loads from multiple directions in a compact cross-section. There is no integral drive gear.

BB11020

Technical Specifications

Model BB11020
Product Type Four Point Contact Ball Slewing Bearing
Structure Single row ball, four-point contact, without gear
System of Measurement Inch (dimensions shown)
Series BB Series
Gear Without Gear
Type Ball
Bearing Type Standard
Inside Diameter Of Inner Ring 4.331 in
Outside Diameter Of Outer Ring 6.299 in
Height Of Overall Bearing Assembly 0.787 in
For Load Direction Four Point Contact
Seal Type Open
Bore Dia Tolerance -0.00079 in
Outer Dia Tolerance -0.00079 in
Width Tolerance -0.0047 in
Dynamic Radial Load 5564 lbs
Dynamic Thrust 8201 lbs
Radial Clearance 0.0016 in
Dynamic Moment 292 lbs
Radial and Axial Runout Inner 0.0006 in
Radial and Axial Runout Outer 0.0008 in
Moment Load Rating 1300 ft-lbs
Ring Material Options 42CrMo or 50MN or 440C; confirm the supplied grade when ordering
Weight 1.36 kg

Applications

Positioning tables, compact rotating assemblies and automation equipment.

Selection and Installation

Check axial load, radial load and overturning moment together, including duty cycle and mounting stiffness. Match the bolt circles, hole sizes and ring heights to the mating structure. Confirm seal configuration, material grade and lubrication requirements before ordering. Install on flat, adequately stiff mounting surfaces. Follow the specified bolt tightening procedure and lubrication schedule. Do not use the limiting moment rating alone as a complete application approval.

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BB11020 four point contact ball slewing bearing slewing ring bearing without gear rotary table bearing BWK