S7014 ACD/P4ADBA
Sealed Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
S7014 ACD/P4ADBA
Basic Information
System of measurement
Metric
Weight
1.21 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
40 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
17842 lbf
Radial static load rating
19462 lbf
Limiting speed
22 X 1000 rpm
Lubrication
Grease
Matched arrangement
Duplex Back-to-Back (DB)
Number of bearings in matched set
2
Universal matching bearing
No (Standard)
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
In Stock
Price available upon request.
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S7014 ACD/P4ADBA Bearing Product Overview & Core Advantages
The S7014 ACD/P4ADBA is a precision duplex angular contact ball bearing specifically designed for applications demanding exceptional rotational accuracy and high rigidity. This matched set in a Back-to-Back (DB) arrangement is preloaded to Extra Light (Class A) standards, providing outstanding operational stability. It is engineered to accommodate combined loads (simultaneous radial and axial loads) efficiently, making it an ideal choice for high-speed, high-precision machinery where reliability is paramount. Its sealed design and pre-lubrication ensure long service life with minimal maintenance.
S7014 ACD/P4ADBA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| ACD | Angular Contact, Duplex arrangement. Indicates the bearing is a pre-set pair. |
| P4A | High precision tolerance class, exceeding ABEC 7 standards, ensuring extremely tight running accuracy. |
| DB | Back-to-Back mounting. This arrangement provides high moment rigidity and excellent stability under complex loads. |
| Sealed | Integrated seals protect against contamination and retain grease lubrication, enhancing bearing life. |
S7014 ACD/P4ADBA Bearing Structural Features & Performance Benefits
- High Rigidity & Stability: The duplex Back-to-Back (DB) configuration and Class A preload create a highly rigid bearing system that effectively resists operational deflection and moment loads, ensuring precise shaft positioning.
- Superior Load Capacity: With a 25° contact angle and a robust design featuring 19 balls, this bearing is optimized to handle significant combined radial and axial loads.
- High-Speed Performance: The lightweight phenolic resin cage minimizes centrifugal forces, reduces friction, and contributes to the high limiting speed of 22,000 rpm. The P4A precision grade further ensures smooth, low-vibration operation at high speeds.
- Durability & Reliability: Manufactured from chrome steel for both rings and balls, the bearing offers high wear resistance. The sealed design and factory-applied grease lubrication provide protection in a wide temperature range from -30°C to 110°C, offering a long, maintenance-free service interval.
S7014 ACD/P4ADBA Bearing Typical Application Areas
This bearing is ideally suited for high-performance applications where precision and speed are critical. Key industries and equipment include:
- Machine Tool Spindles: For CNC machining centers, grinders, and milling machines requiring high rigidity and accuracy.
- High-Frequency Motors & Spindles: Used in applications demanding very high rotational speeds.
- Precision Robotics: In robot arm joints and gears where precise movement and high moment load capacity are essential.
- Medical Equipment: For high-speed centrifuges and dental handpieces.
- Aerospace & Defense Systems: In gyroscopes, radar equipment, and other critical navigation and control systems.
