7222 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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7222 BEP Bearing Product Overview & Core Advantages
The 7222 BEP is a precision angular contact ball bearing designed for applications requiring exceptional rotational accuracy and high-speed performance. Manufactured to P6 (ABEC-3) tolerance class, this single-row bearing excels in handling combined loads, particularly high axial loads in one direction due to its 40° contact angle. Its open design, when paired with proper lubrication, enables superior high-speed capabilities up to 3,600 rpm, making it an ideal component for demanding, high-precision machinery where reliability and rigidity are paramount.
7222 BEP Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7222 | Basic bearing designation indicating a metric series angular contact ball bearing with a 110 mm bore, 200 mm OD, and 38 mm width. |
| BE | Designates a 40° contact angle and an optimized internal design for high axial load capacity and high-speed operation. |
| P | Indicates the P6 tolerance class, signifying high dimensional and running accuracy per ISO standards (equivalent to ABEC-3). |
7222 BEP Bearing Structural Features & Performance Benefits
- High-Speed Nylon Cage: The Nylon cage reduces friction, weight, and inertia, contributing to lower operating temperatures and enabling higher limiting speeds while providing excellent guidance and stability.
- Optimized Internal Geometry: The 40° contact angle and precisely calculated shoulder diameters (144.85 mm inner ring large-side) are engineered to support substantial axial loads while maintaining high system rigidity.
- Precision Chrome Steel: Manufactured from high-grade chrome steel for both rings and balls, ensuring high fatigue life, wear resistance, and consistent performance under dynamic (34,425 lbf) and static (32,175 lbf) loads.
- Open Design for Lubrication: The open seal type allows for versatile lubrication schemes, facilitating optimal heat dissipation and performance in high-speed applications within a temperature range of -30° to 110°C.
7222 BEP Bearing Typical Application Areas
This high-precision angular contact bearing is ideally suited for applications where speed, accuracy, and axial load capacity are critical. Common uses include:
- Machine Tool Spindles for milling, grinding, and turning centers
- High-Speed Pumps and Compressors
- Precision Gearboxes and transmission systems
- Industrial Robotics and automation equipment
