Part Number | 330726 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 | 938.212 mm |
Bore Dia Tolerance | -0.1mm to 0 |
Outer Dia | 1270 mm |
Outer Dia Tolerance | -0.165mm to 0 |
Total Bearing Width Over Inner Rings | 825.5 mm |
Total Bearing Width Over Inner Rings Tolerance | -0.3mm to 0 |
Total Bearing Width Over Outer Rings | 825.5 mm |
Total Bearing Width Over Outer Rings Tolerance | +0.45mm to -0.45mm |
Abutment Diameter Shaft | 1004 mm |
Abutment Diameter Housing | 1004 mm |
Chamfer Dimension Inner Ring | min.4.8 mm |
Ring Material | Chrome Steel |
Roller Material | Chrome Steel |
Cage Material | Steel |
Dynamic Radial Load | 5850000 lbf |
Static Radial Load | 18337500 lbf |
Fatigue Load Limit | 1046250 lbf |
Comparative Radial Load Rating | 1563750 lbf |
Comparative Axial Load Rating | 265500 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 | 7120.93 lb |

330726 A
Design Features of 330726 A Bearing
330726 A is designed to handle heavy radial and axial loads simultaneously, making it ideal for high-load applications. 330726 A outer dia is 1270 mm. Its bore dia is 938.212 mm. Its structure allows for excellent load distribution and increased rigidity, ensuring reliable performance in demanding environments such as rolling mills.
What Benefits Can 330726 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 330726 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.