7219 BECBY
Single Row Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Inner Ring Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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7219 BECBY Bearing Product Overview & Core Advantages
The 7219 BECBY is a precision angular contact ball bearing designed for applications requiring exceptional high-speed performance and the ability to handle combined loads. Engineered with a 40° contact angle, this single-row bearing efficiently supports substantial axial loads in one direction alongside radial loads. Manufactured to P6 (ABEC-3) tolerance class, it ensures high running accuracy and reliability in demanding industrial environments. Its open design facilitates optimal lubrication management for maximum performance.
7219 BECBY Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Interpretation | Technical Significance |
|---|---|---|
| 7219 | Basic Bearing Number | Defines the bearing dimensions: 95 mm bore, 170 mm OD, 32 mm width. |
| BE | High Capacity & Optimized Internal Design | Indicates an internal geometry designed for increased load capacity. |
| CB | Contact Angle & Clearance | Specifies a 40° contact angle and a specific internal radial clearance for precision applications. |
| Y | Special Cage Design | Denotes a brass cage, offering excellent strength and durability for high-speed operation. |
7219 BECBY Bearing Structural Features & Performance Benefits
This bearing's performance is derived from its specific construction:
- High Load Capacity: The 40° contact angle and optimized internal geometry (BE design) provide superior resistance to combined radial and axial loads.
- High-Speed Capability: The robust brass cage (Y) ensures stability and guidance of the balls at the limiting speed of 4,800 rpm, minimizing friction and heat generation.
- Precision & Rigidity: Manufactured to P6 tolerance, it guarantees precise shaft positioning and contributes to overall system high rigidity.
- Material Integrity: Components made from chrome steel provide high hardness, wear resistance, and a long operational lifespan under heavy loads.
7219 BECBY Bearing Typical Application Areas
The 7219 BECBY is ideally suited for high-performance machinery where precision, speed, and load capacity are critical. Key industries and equipment include:
- Machine Tool Spindles
- High-Speed Pumps and Compressors
- Precision Gearboxes
- Industrial Robotics and Automation Systems
