The L44649 bearing is a cylindrical roller bearing with a drawn cup and a solid inner ring. It is designed to accommodate radial loads and is commonly used in applications such as gearboxes, transmissions, and industrial machinery. This article provides a comprehensive overview of the L44649 bearing specifications, including its dimensions, tolerances, and performance characteristics.
The L44649 bearing has the following dimensions and tolerances:
Dimension | Value | Tolerance |
---|---|---|
Bore Diameter (d) | 45 mm | ±0.005 mm |
Outer Diameter (D) | 80 mm | ±0.010 mm |
Width (B) | 23 mm | ±0.010 mm |
Radial Clearance | C3 | -13 to +25 µm |
Axial Clearance | 0 | ±0.15 mm |
The L44649 bearing has the following performance characteristics:
Characteristic | Value |
---|---|
Dynamic Load Rating (Cr) | 55.6 kN |
Static Load Rating (Cor) | 30.6 kN |
Limiting Speed (n_lim) | 5,000 rpm |
Reference Speed (n_ref) | 3,000 rpm |
The L44649 bearing is suitable for a wide range of applications, including:
The L44649 bearing is a high-performance cylindrical roller bearing that is suitable for a wide range of applications. By understanding the specifications, performance characteristics, and common mistakes to avoid, you can ensure that L44649 bearings are properly selected, installed, and maintained to maximize their service life and performance.
Table 1: L44649 Bearing Dimensions
Dimension | Value |
---|---|
Bore Diameter (d) | 45 mm |
Outer Diameter (D) | 80 mm |
Width (B) | 23 mm |
Tolerance | Value |
---|---|
Bore Diameter (d) | ±0.005 mm |
Outer Diameter (D) | ±0.010 mm |
Width (B) | ±0.010 mm |
Radial Clearance | C3: -13 to +25 µm |
Axial Clearance | 0: ±0.15 mm |
Characteristic | Value |
---|---|
Dynamic Load Rating (Cr) | 55.6 kN |
Static Load Rating (Cor) | 30.6 kN |
Limiting Speed (n_lim) | 5,000 rpm |
Reference Speed (n_ref) | 3,000 rpm |
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