L44649 Bearing Specs: A Comprehensive Guide
Introduction
L44649 bearings, also known as 44649 bearings, are a type of cylindrical roller bearing widely used in various industrial applications. Characterized by their high load-carrying capacity, low friction, and long service life, these bearings offer a reliable solution for demanding applications.
Specifications and Dimensions
L44649 Bearing Specifications
| Specification |
Value |
| Type |
Cylindrical roller bearing |
| Bore diameter (d) |
40 mm |
| Outer diameter (D) |
72 mm |
| Width (B) |
17.9 mm |
| Number of rollers |
15 |
| Roller diameter (dr) |
5.2 mm |
| Roller length |
17.9 mm |
| Static load rating (C0) |
20.8 kN |
| Dynamic load rating (C) |
12.7 kN |
| Limiting speed (dn) |
15,000 rpm |
| Weight |
0.162 kg |
Dimensional Drawing
[Image of L44649 bearing dimensional drawing]
Material and Manufacturing
L44649 bearings are typically manufactured from high-quality bearing steel, such as AISI 52100. The bearing rings are hardened and ground to ensure precision and durability. The rollers are also hardened and ground to provide optimal load distribution and minimize wear.
Applications
L44649 bearings find applications in a wide range of industries, including:
- Automotive
- Aerospace
- Construction
- Power generation
- Mining
- Oil and gas
They are commonly used in applications that involve heavy loads, high speeds, and demanding operating conditions.
Benefits of Using L44649 Bearings
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High load-carrying capacity: Designed to withstand substantial loads, making them suitable for heavy-duty applications.
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Low friction: Precision engineering and smooth surfaces reduce friction, minimizing energy loss and heat generation.
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Long service life: Durable materials and robust construction ensure extended bearing life, reducing maintenance costs.
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Reliability: Consistent performance under demanding conditions, minimizing downtime and ensuring operational efficiency.
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Versatility: Suitable for a wide range of applications across various industries.
Comparison of Pros and Cons
Pros:
- High load capacity and long service life
- Low friction and noise levels
- Easy to install and maintain
- Widely available and cost-effective
Cons:
- Sensitive to misalignment and contamination
- Not suitable for applications where lubrication is difficult
Tips and Tricks for Maintenance
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Proper lubrication: Use high-quality bearing grease and follow the manufacturer's recommended relubrication intervals.
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Cleanliness: Keep bearings clean and free from contaminants to prevent premature wear.
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Mounting: Ensure proper alignment and tighten mounting bolts to the specified torque.
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Inspection: Regularly inspect bearings for signs of wear, damage, or contamination.
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Storage: Store bearings in a cool, dry place when not in use.
FAQs
1. What is the difference between L44649 and L44649A bearings?
L44649A bearings have an additional seal on one side, providing better protection against contamination.
2. What is the recommended grease for L44649 bearings?
A general-purpose lithium-based bearing grease is recommended.
3. How often should L44649 bearings be relubricated?
The frequency of relubrication depends on the application. Consult your bearing manufacturer's instructions.
4. Can L44649 bearings operate in water environments?
No, L44649 bearings are not designed for water environments.
5. What is the maximum temperature at which L44649 bearings can operate?
Generally, the maximum operating temperature is around 120°C (250°F). However, refer to the manufacturer's specifications for specific limits.
6. What causes premature failure of L44649 bearings?
Common causes include improper lubrication, contamination, misalignment, and overloads.
Call to Action
If you require L44649 bearings for your industrial applications, contact your trusted bearing supplier today. With their high load-carrying capacity, low friction, and long service life, L44649 bearings provide a reliable and cost-effective solution for your most demanding applications.
