S7024 ACD/P4ATBTA
Sealed Super Precision Angular Contact Ball Bearings
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S7024 ACD/P4ATBTA Bearing Product Overview & Core Advantages
The S7024 ACD/P4ATBTA is a precision angular contact ball bearing configured as a triplex back-to-back (TBT) matched set. Engineered to the exacting P4A tolerance class, this bearing delivers exceptional rotational accuracy and high rigidity. Its primary advantage lies in its ability to handle significant combined loads (radial and axial) simultaneously, making it ideal for applications demanding extreme precision and operational reliability. The matched set of three bearings ensures optimized load distribution and superior system stability.
S7024 ACD/P4ATBTA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| S7024 | Basic bearing series and size designation (120mm bore, 180mm OD). |
| ACD | Angular Contact Design with a 25° contact angle. |
| P4A | Indicates a high-precision tolerance class (superior to ABEC 7/ISO P4). |
| TBT | Specifies the Triplex Back-to-Back arrangement of the matched set. |
| A | Denotes an Extra Light preload for minimal friction and high-speed capability. |
S7024 ACD/P4ATBTA Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The triplex back-to-back arrangement creates a highly rigid bearing system capable of withstanding heavy combined loads and moment loads. This configuration provides excellent stability for spindles and shafts.
Precision & High-Speed Performance: Manufactured to P4A tolerances and featuring a lightweight, robust phenolic cage, this bearing achieves smooth operation and a high limiting speed of 10,000 rpm. The 25° contact angle is optimized for high axial load capacity.
Durability & Reliability: Constructed from chrome steel for both rings and balls, the bearing offers high fatigue life. The sealed design and factory-applied grease lubrication protect against contamination and provide long-term, maintenance-free operation within a temperature range of -30°C to 110°C.
S7024 ACD/P4ATBTA Bearing Typical Application Areas
The S7024 ACD/P4ATBTA is specifically designed for high-performance machinery requiring utmost precision and rigidity. Key applications include:
- Machine Tool Spindles (High-speed milling, grinding, and turning centers)
- Precision Grinding Spindles
- High-Frequency Machining Centers
- Other industrial equipment where high rigidity and rotational accuracy are critical.
