The L44649 bearing is a widely employed cylindrical roller bearing known for its exceptional load-carrying capabilities and durability. This article provides an in-depth exploration of its specifications, encompassing dimensions, tolerances, materials, and performance characteristics.
Dimension | Value | Tolerance |
---|---|---|
Inner Diameter | 45 mm | h5 |
Outer Diameter | 75 mm | H7 |
Width | 21 mm | - |
Roller Diameter | 11.11 mm | - |
Number of Rollers | 18 | - |
Rings: High-carbon chromium steel (SAE 52100)
Rollers: Through-hardened, high-carbon chromium steel
Cage: Stamped steel
Characteristic | Value |
---|---|
Load Capacity | 20.8 kN |
Limiting Speed | 2,000 rpm |
Operating Temperature | -20 to 120 °C |
Story 1:
An engineer unknowingly installed a L44649 bearing in a low-load application. The bearing promptly seized due to insufficient lubrication. Lesson: Always ensure that the bearing is appropriate for the load conditions.
Story 2:
A maintenance technician mistakenly used a hammer to remove a seized L44649 bearing. The bearing cage was shattered, and the rollers were damaged. Lesson: Never use excessive force or improper tools when handling bearings.
Story 3:
A factory worker accidentally dropped a L44649 bearing into a vat of hot oil. The bearing was completely destroyed. Lesson: Keep bearings away from contaminants and extreme temperatures.
Adhering to the L44649 bearing specifications is crucial for ensuring proper operation and maximizing its service life. Proper dimensions, tolerances, and materials ensure adequate load distribution, minimize friction, and prevent premature wear.
The L44649 bearing is a robust and reliable component when utilized in accordance with its specifications. By understanding its dimensions, tolerances, materials, and performance characteristics, engineers can optimize its application and reap the benefits of its high load-carrying capacity, durability, and low friction. Adhering to the specified requirements ensures proper operation, extends service life, and enhances the overall performance of the bearing's surroundings.
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