7022 CD/P4ATBTC
7000 Series Super Precision Angular Contact Ball Bearings
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7022 CD/P4ATBTC Bearing Product Overview & Core Advantages
The 7022 CD/P4ATBTC is a precision angular contact ball bearing configured in a Triplex Back-to-Back (TBT) matched set. Engineered for high rigidity and exceptional performance in demanding applications, this pre-lubricated set is designed to handle significant combined loads (radial and axial) simultaneously. Its P4A tolerance class ensures superior running accuracy, making it ideal for high-precision, high-reliability machinery requiring stable rotational characteristics.
7022 CD/P4ATBTC Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7022 | Basic bearing designation indicating the bearing size (110 mm bore, 170 mm OD). |
| CD | Indicates a specific internal design and 15° contact angle. |
| P4A | Denotes a high-precision tolerance class exceeding ABEC 7/ISO P4 standards. |
| TBT | Specifies the Triplex Back-to-Back matched arrangement of three bearings. |
| C | Indicates a Moderate preload applied to the matched set for optimal stiffness. |
7022 CD/P4ATBTC Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The Triplex Back-to-Back (TBT) arrangement provides exceptional system rigidity, enabling the bearing set to withstand heavy combined loads and create a moment load capacity. The 15° contact angle is optimized for supporting substantial axial loads in both directions.
Precision & High-Speed Performance: Manufactured to P4A tolerance class, this bearing guarantees minimal runout and smooth operation. The phenolic cage contributes to lower friction and is suitable for high-speed operation up to the specified limiting speed.
Optimized Design: The use of chrome steel for rings and balls ensures high durability and fatigue life. The set is pre-lubricated and comes with a moderate preload (Class C), simplifying installation and ensuring immediate, optimal performance.
7022 CD/P4ATBTC Bearing Typical Application Areas
This high-precision, high-rigidity bearing set is typically employed in:
- Machine Tool Spindles (e.g., for milling, grinding, and turning centers)
- High-Frequency Motors and Spindles
- Precision Gearboxes and Transmission Systems
- Industrial Pumps and Compressors
- Other machinery requiring high stiffness and accurate rotational guidance
