S7014 ACDGA/P4A
Sealed Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7014 ACDGA/P4A
Basic Information
System of measurement
Metric
Weight
0.61 kg
Tolerance class
P4A
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
70 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
110 mm
Outside diameter tolerance
-0.004mm to 0
Width
20 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
12.7 mm
Ball quantity
19
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
10980 lbf
Radial static load rating
9900 lbf
Limiting speed
22 X 1000 rpm
Lubrication
Grease
Matched arrangement
Single
Number of bearings in matched set
4
Universal matching bearing
Universal Matchable (SU)
Preload
Extra light / Class A
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 138.83
/ each
In Stock
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S7014 ACDGA/P4A Bearing Product Overview & Core Advantages
The S7014 ACDGA/P4A is a super-precision angular contact ball bearing engineered for the most demanding high-speed and high-rigidity applications. As a single-row bearing with a 25° contact angle and P4A tolerance class, it delivers exceptional rotational accuracy and dimensional stability. Its core advantage lies in its ability to handle combined loads (radial and axial) efficiently while operating at limiting speeds up to 22,000 rpm. The phenolic cage and universal matchable (SU) design make it ideal for preloaded duplex arrangements, providing superior system rigidity and performance in precision machinery.
S7014 ACDGA/P4A Bearing Model Code Explained, Specifications & Naming Convention
The S7014 ACDGA/P4A model designation provides detailed technical specifications:
- S7014: Basic series code for a 70mm bore, 110mm OD super-precision bearing.
- AC: Angular Contact design.
- D: Contact angle of 25°.
- GA: Internal clearance specification for preload.
- P4A: Tolerance class superior to ABEC 7, indicating extremely tight dimensional and running accuracy.
S7014 ACDGA/P4A Bearing Structural Features & Performance Benefits
- High Rigidity & Precision: Manufactured to a P4A tolerance class with bore and outside diameter tolerances of -0.004mm to 0, ensuring minimal runout and vibration for superior positional accuracy.
- Optimized for High-Speed Operation: The lightweight phenolic cage minimizes centrifugal forces, while the 25° contact angle provides an excellent balance between axial load capacity and speed capability, achieving a limiting speed of 22,000 rpm.
- Superior Load Capacity: With a dynamic load rating of 10,980 lbf and a static load rating of 9,900 lbf, it reliably sustains significant combined radial and axial loads.
- Universal Matching (SU): The bearing is universally matchable, allowing for simplified assembly of preloaded duplex pairs (e.g., DB, DF, DT) without selective mounting, enhancing system rigidity and simplifying logistics.
- Sealed & Pre-Lubricated: The sealed design with grease lubrication protects against contamination and provides maintenance-free operation within a temperature range of -30°C to 110°C.
S7014 ACDGA/P4A Bearing Typical Application Areas
This high-performance bearing is specifically designed for applications requiring extreme precision and speed, including:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Spindles: PCB drilling and routing spindles.
- High-Frequency Motors: Spindles for electric motors and generators.
- Medical Equipment: High-speed centrifuges and dental handpieces.
- Aerospace & Defense Systems: Gyroscopes, radar systems, and other precision instrumentation.
