Part Number | BT4B 331190 BG/HA1 |
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 | 660.4 mm |
Bore Dia Tolerance | -0.08mm to 0 |
Outer Dia | 812.8 mm |
Outer Dia Tolerance | -0.01mm to 0 |
Total Bearing Width Over Inner Rings | 365.125 mm |
Total Bearing Width Over Inner Rings Tolerance | -0.3mm to 0 |
Total Bearing Width Over Outer Rings | 365.125 mm |
Total Bearing Width Over Outer Rings Tolerance | +0.45mm to -0.45mm |
Abutment Diameter Shaft | 698 mm |
Abutment Diameter Housing | 698 mm |
Chamfer Dimension Inner Ring | min.3.3 mm |
Ring Material | Chrome Steel |
Roller Material | Chrome Steel |
Cage Material | Steel |
Dynamic Radial Load | 1622250 lbf |
Static Radial Load | 5040000 lbf |
Fatigue Load Limit | 344250 lbf |
Comparative Radial Load Rating | 396000 lbf |
Comparative Axial Load Rating | 63900 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 | 921.53 lb |

BT4B 331190 BG/HA1
Design Features of BT4B 331190 BG/HA1 Bearing
BT4B 331190 BG/HA1 is designed to handle heavy radial and axial loads simultaneously, making it ideal for high-load applications. BT4B 331190 BG/HA1 outer dia is 812.8 mm. Its bore dia is 660.4 mm. Its structure allows for excellent load distribution and increased rigidity, ensuring reliable performance in demanding environments such as rolling mills.
What Benefits Can BT4B 331190 BG/HA1 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 BT4B 331190 BG/HA1 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.