Part Number | LM772749DW |
System of Measurement | Inch |
Type | Cones |
Bearing Part Number | LM772749DW-LM772710 |
Bearing Type | Roller |
Roller Bearing Type | Tapered |
For Load Direction | Combined |
Construction | Double Row |
Seal Type | Open |
Series | LM772700 |
Bore Dia | 19.253″ |
Bore Dia Tolerance | +0.002″ to 0 |
Double Cone Width | 6.0625″ |
Double Cone Width Tolerance | +0.003″ to -0.01 |
Cone Backface ToClear Radius | 0.13″ |
Cone Frontface Backing Diameter | 20.31″ |
Cone Backface Backing Diameter | 20.31″ |
Cage Cone Frontface Clearance | 0.19″ |
Static Radial Load | 871000 lbf |
Roller Material | Chrome Steel |
Cage Material | Steel |
Dynamic Radial Rating(90 Million Revolutions) | 108000 lbf |
Dynamic Radial Rating(Two Row 1 Million Revolutions) | 728000 lbf |
Dynamic Radial Rating(1 Million Revolutions) | 418000 lbf |
Dynamic Thrust Rating(90 Million Revolutions) | 87800 lbf |
Dynamic Radial Rating(Two Row 90 Million Revolutions) | 189000 lbf |
Heat Generation Factor(Roller Raceway)(G1) | 5450 |
Temperature Range | -30° to 110 °C |
ABEC Rating | ABEC-1 |
Radial Clearance | Standard (Available in C3/C4/C5) |
RoHS | Compliant |
REACH | Compliant |

LM772749DW
Design Features of LM772749DW Bearing
LM772749DW bearing features two tapered roller assemblies combined in a single cone, providing stable support for heavy radial and axial loads. LM772749DW double cone width is 6.0625″. Its bore dia is 19.253″. This design enhances load distribution, making it ideal for applications requiring precise alignment and durability.
What Benefits Can LM772749DW Bearing Provide?
- High Load Capacity: It supports heavy radial and axial loads, making it suitable for demanding applications.
- Improved Stability: The dual tapered rollers enhance balance and reduce deflection under load.
- Durability: Its robust design ensures longer life and less maintenance.
- Precise Alignment: The cone structure aids in accurate alignment, which reduces wear on machinery.
What Can LM772749DW Bearing Be Used for?
- Automotive: Commonly found in wheel hubs, transmissions, and differentials for supporting heavy loads.
- Industrial Machinery: Ideal for conveyor systems, gearboxes, and other equipment requiring high load capacity and stability.
- Double Row Equipment: Used in heavy machinery like excavators and bulldozers to handle demanding conditions.
- Mining Equipment: Suitable for harsh environments due to its durability and ability to support heavy radial and axial loads.
- Aerospace: Utilized in landing gear and other components where precision and reliability are crucial.