331148 A

Design Features of 331148 A Bearing

331148 A is designed to handle heavy radial and axial loads simultaneously, making it ideal for high-load applications. 331148 A outer dia is 762 mm. Its bore dia is 584.2 mm. Its structure allows for excellent load distribution and increased rigidity, ensuring reliable performance in demanding environments such as rolling mills.

 

What Benefits Can 331148 A Bearing Provide?

  • High Load Capacity: It can support heavy radial and axial loads, making it suitable for demanding applications such as heavy machinery and rolling mills.
  • Improved Durability: Its robust design ensures even load distribution, reducing wear and extending the bearing’s service life.
  • Enhanced Rigidity: The four-row configuration increases the overall rigidity of the bearing, improving stability in high-load environments.
  • Efficient Operation: It reduces friction and heat generation, allowing for smoother operation and improved energy efficiency in large industrial machines.

 

What Can 331148 A Bearing Be Used for?

  • Rolling Mills: Essential for supporting large radial and axial loads in steel, aluminum, and other metal rolling operations.
  • Heavy Machinery: Used in construction and mining equipment where high load-bearing capacity and durability are required.
  • Gearboxes: Provides reliable support in high-torque, heavy-load systems.
  • Railway Axles: Ensures smooth and stable operation under heavy loads in rail transport.
  • Wind Turbines: Applied in turbine rotor shafts for high load capacity and long-lasting performance.

Part Number 331148 A
System of Measurement Metric
Type Bearing
Bearing Type Roller
Roller Bearing Type Tapered
For Load Direction Combined
Construction Four-Row
Seal Type Open
Bore Dia 584.2 mm
Bore Dia Tolerance -0.05mm to 0
Outer Dia 762 mm
Outer Dia Tolerance -0.075mm to 0
Total Bearing Width Over Inner Rings 396.875 mm
Total Bearing Width Over Inner Rings Tolerance -0.25mm to 0
Total Bearing Width Over Outer Rings 401.638 mm
Total Bearing Width Over Outer Rings Tolerance +0.4mm to -0.4mm
Abutment Diameter Shaft 620 mm
Abutment Diameter Housing 620 mm
Chamfer Dimension Inner Ring min.3.3 mm
Ring Material Chrome Steel
Roller Material Chrome Steel
Cage Material Steel
Dynamic Radial Load 1721250 lbf
Static Radial Load 5040000 lbf
Fatigue Load Limit 351000 lbf
Comparative Radial Load Rating 459000 lbf
Comparative Axial Load Rating 106200 lbf
Lubrication Required
Temperature Range -30° to 110 °C
ABEC Rating ABEC-1
Radial Clearance Standard (Available in C3/C4/C5)
RoHS Compliant
REACH Compliant
Weight 1069.24 lb

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