S7024 ACD/P4ATBTC
Sealed Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
S7024 ACD/P4ATBTC
Basic Information
System of measurement
Metric
Weight
6.46 kg
Tolerance class
P4A
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
120 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
180 mm
Outside diameter tolerance
-0.004mm to 0
Width
84 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
19.05 mm
Ball quantity
22
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
53550 lbf
Radial static load rating
77625 lbf
Limiting speed
10 X 1000 rpm
Lubrication
Grease
Matched arrangement
Triplex Back-to-Back (TBT)
Number of bearings in matched set
3
Universal matching bearing
No (Standard)
Preload
Moderate / Class C
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
In Stock
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S7024 ACD/P4ATBTC Bearing Product Overview & Core Advantages
The S7024 ACD/P4ATBTC is a precision angular contact ball bearing configured in a triplex back-to-back (TBT) matched set. This advanced arrangement delivers exceptional system rigidity and stability, making it ideal for applications requiring high rotational accuracy under combined radial and axial loads. Manufactured to P4A tolerance class with a 25° contact angle and preloaded for immediate, precise operation, this bearing set is engineered for demanding, high-performance machinery.
S7024 ACD/P4ATBTC 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 high precision tolerance class (superior to ABEC 7). |
| TBT | Specifies a Triplex Back-to-Back matched set of three bearings. |
| Sealed | Features integral seals for contaminant exclusion and grease retention. |
S7024 ACD/P4ATBTC Bearing Structural Features & Performance Benefits
- Exceptional Rigidity and Stability: The triplex back-to-back (TBT) arrangement creates a highly rigid bearing system that effectively resists moment loads and shaft deflection, ensuring precise alignment and minimal runout under heavy combined loads.
- High Load Capacity: The 25° contact angle and robust construction, featuring chrome steel rings and balls, provide a high radial dynamic load rating of 53,550 lbf and a static load rating of 77,625 lbf for the set, enabling reliable performance in strenuous conditions.
- Optimized High-Speed Performance: The lightweight phenolic cage minimizes centrifugal forces, reduces friction, and contributes to a high limiting speed of 10,000 rpm. The set is pre-lubricated with grease suitable for this operational range.
- Pre-Configured for Precision: The set comes with a moderate preload (Class C) applied, ensuring immediate high stiffness and rotational accuracy without the need for complex on-site adjustment. The sealed design protects the preload and lubrication integrity.
S7024 ACD/P4ATBTC Bearing Typical Application Areas
This bearing is designed for high-precision, high-rigidity applications, including:
- Machine Tool Spindles: For CNC milling centers, grinding spindles, and lathes requiring extreme accuracy and rigidity.
- High-Speed Industrial Pumps and Compressors: Where reliable operation under combined loads and elevated speeds is critical.
- Precision Gearboxes and Transmission Systems: Especially in applications demanding minimal axial and radial play.
- Advanced Robotics and Automation: For critical joints and axes that require high moment load capacity and precise positioning.
