LM121948D
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Overview |
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| Part Number | LM121948D |
| Bearing Part Number | LM121948D-LM121911 |
Characteristics |
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| System of Measurement | Inch |
| Bearing Type | Roller |
| Roller Bearing Type | Tapered |
| Type | Cones |
| Seal Type | Open |
| For Load Direction | Combined |
| Construction | Double Row |
| Series | LM121900 |
| ABEC Rating | ABEC-1 |
Dimensions |
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| Bore Dia | 4.25" |
| Bore Dia Tolerance | +0.001" to 0 |
| Double Cone Width | 2.5625" |
| Double Cone Width Tolerance | +0.003" to -0.01 |
| Cone Backface ToClear Radius | 0.03" |
| Cone Frontface Backing Diameter | 4.53" |
| Cone Backface Backing Diameter | 4.53" |
| Cage Cone Frontface Clearance | -0.03" |
| Heat Generation Factor(Roller Raceway)(G1) | 218 |
Material |
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| Roller Material | Chrome Steel |
| Cage Material | Steel |
Performance |
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| Static Radial Load | 70200 lbf |
| Radial Clearance | Standard (Available in C3/C4/C5) |
| Dynamic Thrust Rating(90 Million Revolutions) | 4740 lbf |
| Dynamic Radial Rating(Two Row 90 Million Revolutions) | 17100 lbf |
| Dynamic Radial Rating(90 Million Revolutions) | 9810 lbf |
| Dynamic Radial Rating(Two Row 1 Million Revolutions) | 65900 lbf |
| Dynamic Radial Rating(1 Million Revolutions) | 37800 lbf |
| Temperature Range | -30° to 110 °C |
Properties |
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| RoHS | Compliant |
| REACH | Compliant |
Design Features of LM121948D Bearing
LM121948D bearing features two tapered roller assemblies combined in a single cone, providing stable support for heavy radial and axial loads. LM121948D double cone width is 2.5625". Its bore dia is 4.25". This design enhances load distribution, making it ideal for applications requiring precise alignment and durability.
What Benefits Can LM121948D 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 LM121948D 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.
