330803 A

Design Features of 330803 A Bearing

330803 A is designed to handle heavy radial and axial loads simultaneously, making it ideal for high-load applications. 330803 A outer dia is 1035.05 mm. Its bore dia is 730.25 mm. Its structure allows for excellent load distribution and increased rigidity, ensuring reliable performance in demanding environments such as rolling mills.

 

What Benefits Can 330803 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 330803 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 330803 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 730.25 mm
Bore Dia Tolerance -0.08mm to 0
Outer Dia 1035.05 mm
Outer Dia Tolerance -0.13mm to 0
Total Bearing Width Over Inner Rings 755.65 mm
Total Bearing Width Over Inner Rings Tolerance -0.3mm to 0
Total Bearing Width Over Outer Rings 755.65 mm
Total Bearing Width Over Outer Rings Tolerance +0.45mm to -0.45mm
Abutment Diameter Shaft 793 mm
Abutment Diameter Housing 793 mm
Chamfer Dimension Inner Ring min.3.3 mm
Ring Material Chrome Steel
Roller Material Chrome Steel
Cage Material Steel
Dynamic Radial Load 4612500 lbf
Static Radial Load 13162500 lbf
Fatigue Load Limit 810000 lbf
Comparative Radial Load Rating 1237500 lbf
Comparative Axial Load Rating 204525 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 4784.03 lb

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