The L44643L bearing is a single-row deep groove ball bearing with a cylindrical bore, designed to accommodate both radial and axial loads. It is manufactured to meet the ISO 15:1998 standard, ensuring consistent quality and performance across the industry.
Due to their versatility and durability, L44643L bearings find widespread application in various industries and machinery, including:
L44643L bearings offer several advantages that make them a preferred choice for demanding applications:
When selecting an L44643L bearing for your application, consider the following factors:
Proper installation and maintenance are crucial for maximizing the performance and lifespan of L44643L bearings. Here are some guidelines:
If you encounter any issues with L44643L bearings, consider the following troubleshooting tips:
Story 1: A mechanic was replacing L44643L bearings in an industrial motor. After installing the new bearings, he realized he had forgotten to lubricate them. The motor started running, and within minutes, the bearings seized up, causing the motor to overheat and fail.
Lesson: Always follow proper maintenance procedures and never neglect lubrication.
Story 2: A farmer was using an L44643L bearing in his tractor's water pump. One day, the pump started making a squealing noise. The farmer inspected the bearing and found that it had become rusty due to water contamination.
Lesson: Protect bearings from contamination and ensure proper sealing in harsh operating environments.
Story 3: A construction worker was operating a jackhammer with L44643L bearings. The jackhammer suddenly stopped working, and the worker discovered that the bearings had shattered due to excessive load and vibration.
Lesson: Consider the load capacity and operating conditions when selecting bearings, and avoid overloading or subjecting them to extreme conditions.
Table 1: Dimensions of L44643L Bearing | ||
---|---|---|
Bore Diameter (mm) | Outer Diameter (mm) | Width (mm) |
60 | 110 | 27 |
Table 2: Static and Dynamic Load Ratings (kN) | ||
---|---|---|
Radial Load (Cr) | Dynamic Load (C0) | Radial Load (Cor) |
22.8 | 42 | 16 |
Table 3: Lubrication Recommendations for L44643L Bearing | ||
---|---|---|
Lubricant Type | Consistency | Temperature Range (°C) |
Lithium-based grease | NLGI 2 | -20 to 120 |
Oil mist | ISO VG 32 | -10 to 80 |
Q1: What is the difference between L44643L and L44643LU bearings?
A: The L44643LU bearing is a variant of the L44643L bearing with a rubber seal on one side. The seal protects the bearing from dirt and moisture, making it suitable for applications in harsh environments.
Q2: Can I use any grease to lubricate L44643L bearings?
A: No, it is recommended to use a high-quality grease specifically designed for bearing lubrication. Lithium-based greases are commonly used for L44643L bearings.
Q3: How often should I replace L44643L bearings?
A: The replacement frequency depends on the operating conditions and maintenance practices. Regular monitoring and proper lubrication can extend the lifespan of bearings significantly.
Q4: What is the maximum operating temperature for L44643L bearings?
A: The maximum operating temperature for L44643L bearings is typically around 120°C (248°F).
Q5: Can I use L44643L bearings in high-speed applications?
A: Yes, L44643L bearings can be used in high-speed applications, but it is important to consider the speed rating and consult with the manufacturer for specific recommendations.
Q6: How do I calculate the lifespan of L44643L bearings?
A: The lifespan of L44643L bearings can be estimated using the L10 life equation. The L10 life represents the number of operating hours at a given load and speed before 10% of the bearings will fail.
**Q7: What are the signs of bearing failure?
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