7313 BECBM
Single Row Angular Contact Ball Bearings
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Part No.
Part No.
7313 BECBM
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
2.15 kg
Tolerance class
P6 (ABEC-3)
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
65 mm
Bore diameter tolerance
-0.012mm to 0
Outside diameter
140 mm
Outside diameter tolerance
-0.015mm to 0
Width
33 mm
Width tolerance
-0.05mm to 0
Chamfer dimension
2.1 mm
Contact angle
40 °
Distance from side face to load point
60 mm
Inner Ring Dimensions
Inner ring large-side shoulder diameter
94.15 mm
Inner ring small-side shoulder diameter
78.45 mm
Outer Ring Dimensions
Shoulder diameter outer ring
112.85 mm
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
26100 lbf
Radial static load rating
19462 lbf
Limiting speed
8 X 1000 rpm
Lubrication
Lubricated
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Brass
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 53.09
/ each
In Stock
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7313 BECBM Bearing Product Overview & Core Advantages
The 7313 BECBM is a single row angular contact ball bearing engineered for high-performance applications requiring exceptional precision and reliability. Its defining characteristic is the 40° contact angle, which is optimized to support significant combined loads—handling both radial forces and substantial thrust loads in one direction simultaneously. Manufactured to a P6 (ABEC-3) tolerance class, this bearing ensures high running accuracy. The brass cage and open design contribute to its suitability for high-speed operation up to 8,000 rpm, making it an ideal component for demanding, precision machinery.
7313 BECBM Bearing Model Code Explained, Specifications & Naming Convention
The model number 7313 BECBM can be broken down as follows to reveal its technical specifications:
- 7313: Standard bearing series designation, indicating a medium-duty angular contact bearing with a 65 mm bore, 140 mm outside diameter, and 33 mm width.
- B: Denotes a 40° contact angle, providing a high thrust load capacity.
- E: Signifies an optimized internal design, featuring reinforced structure and higher-grade materials for increased load capacity.
- C: Indicates the use of a brass cage (machined window type), which offers superior strength, stability, and guidance at high speeds.
- BM: Specifies that the bearing is lubricated with a high-performance grease suitable for the specified operating temperature range.
7313 BECBM Bearing Structural Features & Performance Benefits
- High Rigidity and Load Capacity: The single row design with a steep 40° contact angle and optimized internal geometry provides high rigidity, enabling the bearing to handle combined radial and axial loads effectively. The high dynamic and static load ratings (26,100 lbf and 19,462 lbf respectively) ensure long service life under demanding conditions.
- High-Speed Performance: The precision-machined brass cage (C) ensures minimal friction and excellent stability, allowing for a high limiting speed of 8,000 rpm. This makes it suitable for high-speed spindles and other rapid-rotation applications.
- Precision and Accuracy: Manufactured to P6 tolerance, this bearing guarantees precise running accuracy and minimal rotational vibration, which is critical for applications like machine tools.
- Material and Construction: Constructed from chrome steel for both rings and balls, the bearing offers high durability and resistance to wear. The open seal type allows for easy re-lubrication and is ideal for clean environments or where specific lubrication systems are used.
7313 BECBM Bearing Typical Application Areas
The 7313 BECBM angular contact ball bearing is designed for high-precision, high-speed applications across various industries. Key sectors and equipment include:
- Machine Tool Spindles: For high-speed milling, grinding, and turning centers where precision and rigidity are paramount.
- Pumps and Compressors: Ideal for handling axial and radial loads in industrial pumps and compressor systems.
- Precision Gearboxes: Used in applications requiring high-speed power transmission with minimal deflection.
- Agricultural and Construction Machinery: Suitable for heavy-duty applications requiring robust performance and high load capacity.
