7308 BECBP
Single Row Angular Contact Ball Bearings
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Part No.
Part No.
7308 BECBP
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.62 kg
Tolerance class
P6 (ABEC-3)
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
40 mm
Bore diameter tolerance
-0.01mm to 0
Outside diameter
90 mm
Outside diameter tolerance
-0.013mm to 0
Width
23 mm
Width tolerance
-0.05mm to 0
Chamfer dimension
1.5 mm
Contact angle
40 °
Distance from side face to load point
39 mm
Inner Ring Dimensions
Inner ring large-side shoulder diameter
59.7 mm
Inner ring small-side shoulder diameter
49.55 mm
Outer Ring Dimensions
Shoulder diameter outer ring
71.6 mm
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
11250 lbf
Radial static load rating
7312 lbf
Limiting speed
10 X 1000 rpm
Lubrication
Lubricated
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Nylon
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 27.56
/ each
In Stock
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7308 BECBP Bearing Product Overview & Core Advantages
The 7308 BECBP is a precision angular contact ball bearing designed for demanding applications requiring high rotational accuracy and rigidity. Engineered with a 40° contact angle and manufactured to P6 (ABEC-3) tolerance class, this single-row bearing excels at supporting combined loads, managing both high radial loads and substantial axial loads in one direction. Its optimized internal geometry and nylon cage contribute to superior high-speed performance, making it an ideal component for high-precision, high-reliability machinery.
7308 BECBP Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7308 | Basic bearing designation indicating a metric series angular contact ball bearing with a 40mm bore, 90mm OD, and 23mm width. |
| BE | Designates a 40° contact angle, optimized for supporting high axial loads. |
| CBP | Indicates a specific internal design with enhanced precision, including a nylon cage and P6 tolerance class. |
7308 BECBP Bearing Structural Features & Performance Benefits
- High Rigidity and Load Capacity: The 40° contact angle and robust chrome steel construction provide exceptional resistance to deformation under combined radial and axial loads, ensuring stable operation and long service life.
- Optimized High-Speed Performance: The lightweight nylon cage reduces centrifugal forces, minimizes friction, and allows for a high limiting speed of 10,000 rpm, making it suitable for high-speed applications.
- Precision Engineering: Manufactured to P6 (ABEC-3) tolerance class with strict dimensional control on the bore, outside diameter, and width, ensuring precise shaft positioning and smooth running.
- Superior Material Quality: Constructed from high-grade chrome steel for both rings and balls, offering excellent wear resistance and durability under demanding operating conditions.
7308 BECBP Bearing Typical Application Areas
The 7308 BECBP is ideally suited for high-performance applications across various industries, including:
- Machine Tool Spindles: Providing high precision and rigidity for milling, grinding, and turning centers.
- High-Speed Electric Motors and Spindles: Where low friction and high rotational speeds are critical.
- Precision Gearboxes and Pumps: Handling combined loads while maintaining accurate shaft alignment.
- Industrial Robotics and Automation: Used in arm joints and drive systems requiring high dynamic response and reliability.
