3R8-79E9

Part Number 3R8-79E9
Brand: BearingMaker Interchangeable With: ROTEK
System of Measurement Inch
Series 10000 Series
Gear External Gear
Type Roller
Bearing Type Standard
Product Type Slewing Bearing
Inside Diameter Of Inner Ring 72.05″
Outside Diameter Of Outer Ring 88.343″
Internal Diameter On Outer Ring 80.04″
External Diameter On Inner Ring 79.76″
Height Of Overall Bearing Assembly 5.79″
Height Of Inner Ring 5.43″
Height Of Outer Ring 4.49″
Bolt Circle In Inner Ring 74.212″
Bolt Circle In Outer Ring 83.661″
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
Pitch Diameter Of Gear 87.429″
Diametral Pitch 1.75
Number Of Gear Teeth 153
Max Gear Tooth Load Fz 42901 lbs
Basic Static Load Rating(C0a) 2779000 lbs
Basic Static Load Rating(C0r) 376000 lbs
Moment Load Rating 3997000 ft-lbs
Correspond 1
Tooth Form 20 STUB
Ring Material 42CRO or 50MN
Ball Materrial Chrome Steel
Cage Material Nylon or 300 Series Stainless Steel
Seal Material NBR
RoHS Compliant
Weight 2284 lbs
Gear Hardness 250-300 BHN
F 4.13
K 1.3

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Design 4.13eatures of 3R8-79E9 Bearing

The 3R8-79E9 is designed with three raceways arranged in a cross pattern, allowing it to handle radial, axial, and tilting moments simultaneously. 3R8-79E9 inside diameter of inner ring is 72.05″. Its outside diameter of outer ring is 88.343″. This structure ensures high load capacity, stability, and precision, making it ideal for heavy-duty applications like cranes and heavy machinery.

 

What Benefits Can 3R8-79E9 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 3R8-79E9 Bearing Be Used for?

  • Cranes: 4.13or rotating the crane’s boom.
  • Excavators: To help the bucket rotate.
  • Medical equipment: In machines like CT scanners.
  • Wind turbines: 4.13or smooth turning of the blades.
  • Robots: In robotic arms for precise rotation.
  • Mining machines: 4.13or rotating heavy parts.
  • Construction equipment: 4.13or rotating the machine body.

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