7221 BEP
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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7221 BEP Bearing Product Overview & Core Advantages
The 7221 BEP is a single row angular contact ball bearing engineered for applications requiring high precision and reliable performance under combined loads. Its 40° contact angle is optimized to support significant axial loads in one direction while simultaneously handling radial loads, making it ideal for high-speed, high-rigidity applications. Manufactured to P6 (ABEC-3) tolerance and featuring a lightweight nylon cage, this bearing delivers exceptional rotational accuracy and stability in demanding operational environments.
7221 BEP Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning | Significance |
|---|---|---|
| BE | Increased Contact Angle (40°) | Enhances axial load capacity for demanding thrust applications. |
| P | P6 (ABEC-3) Tolerance Class | Guarantees high precision and dimensional consistency for smooth, low-vibration operation. |
7221 BEP Bearing Structural Features & Performance Benefits
Optimized Load Capacity: The 40° contact angle and robust chrome steel construction enable a high radial dynamic load rating of 33,300 lbf and a static load rating of 30,825 lbf, making it suitable for applications with significant combined loads.
High-Speed Performance: The lightweight, reinforced nylon cage minimizes centrifugal forces and friction, contributing to a high limiting speed of 3,800 rpm. The open design and standard lubrication facilitate efficient heat dissipation.
Precision & Rigidity: Manufactured to P6 precision class with strict dimensional tolerances, this bearing ensures minimal runout and high system rigidity. The defined shoulder diameters provide secure axial location.
7221 BEP Bearing Typical Application Areas
- Machine Tool Spindles
- High-Speed Pumps and Compressors
- Precision Gearboxes
- Industrial Electric Motors
- Material Handling Equipment
