3R8-79P9

Part Number 3R8-79P9
Brand: BearingMaker Interchangeable With: ROTEK
System of Measurement Inch
Series 10000 Series
Gear Without Gear
Type Roller
Bearing Type Standard
Product Type Slewing Bearing
Inside Diameter Of Inner Ring 71.65″
Outside Diameter Of Outer Ring 85.43″
Internal Diameter On Outer Ring 77.72″
External Diameter On Inner Ring 77.44″
Height Of Overall Bearing Assembly 5.79″
Height Of Inner Ring 4.49″
Height Of Outer Ring 5.43″
Bolt Circle In Inner Ring 73.819″
Bolt Circle In Outer Ring 83.268″
Size Holes In Inner Ring 1.3
Size Holes In Outer Ring 1.3
Number Holes In Inner Ring 44
Number Holes In Outer Ring 44
Basic Static Load Rating(C0a) 2779000 lbs
Basic Static Load Rating(C0r) 396000 lbs
Moment Load Rating 3997000 ft-lbs
Correspond 3
Ring Material 42CRO or 50MN
Ball Materrial Chrome Steel
Cage Material Nylon or 300 Series Stainless Steel
Seal Material NBR
RoHS Compliant
Weight 2006 lbs
K 1.3

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Design Features of 3R8-79P9 Bearing

The 3R8-79P9 is designed with three raceways arranged in a cross pattern, allowing it to handle radial, axial, and tilting moments simultaneously. 3R8-79P9 inside diameter of inner ring is 71.65″. Its outside diameter of outer ring is 85.43″. This structure ensures high load capacity, stability, and precision, making it ideal for heavy-duty applications like cranes and heavy machinery.

 

What Benefits Can 3R8-79P9 Bearing Provide?

  • High Load Capacity: It can handle axial, radial, and tilting moments all at once, making it ideal for heavy loads.
  • Compact Design: It has a more compact and lighter design compared to other types of bearings, saving space in machinery.
  • Precision and Stability: The cross roller structure helps with smooth and precise motion, improving stability during operation.
  • Versatility: Suitable for various applications, including cranes, excavators, and robotics, due to its ability to support a wide range of forces.
  • Durability: It has a long service life due to its high load-bearing capacity and stability under harsh conditions.

 

What Can 3R8-79P9 Bearing Be Used for?

  • Cranes: For rotating the crane’s boom.
  • Excavators: To help the bucket rotate.
  • Medical equipment: In machines like CT scanners.
  • Wind turbines: For smooth turning of the blades.
  • Robots: In robotic arms for precise rotation.
  • Mining machines: For rotating heavy parts.
  • Construction equipment: For rotating the machine body.

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