7014 ACB/P4A
7000 Series Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
7014 ACB/P4A
Basic Information
System of measurement
Metric
Weight
0.66 kg
Tolerance class
P4 (ABEC-7)
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
70 mm
Bore diameter tolerance
-0.007mm to 0
Outside diameter
110 mm
Outside diameter tolerance
-0.008mm to 0
Width
20 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
7.938 mm
Ball quantity
28
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
4095 lbf
Radial static load rating
3510 lbf
Limiting speed
24 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Preload
Available
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:
$ 509.95
/ each
In Stock
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7014 ACB/P4A Bearing Product Overview & Core Advantages
The 7014 ACB/P4A is a single-row angular contact ball bearing designed for high-precision applications requiring exceptional rotational accuracy and rigidity. Engineered to a P4 (ABEC-7) tolerance class, this bearing is optimized to handle significant combined loads—simultaneous radial and axial loads—in one direction. Its 25° contact angle provides excellent axial load capacity, while the phenolic cage and precision-ground components enable high-speed operation up to 24,000 rpm. This bearing is preloaded, ensuring minimal axial and radial play for superior system stiffness and positioning accuracy in demanding machinery.
7014 ACB/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Significance |
|---|---|---|
| 7014 | Standard bearing series designation | Defines the basic dimensions: 70mm bore, 110mm OD, 20mm width. |
| ACB | Angular Contact Bearing design with specific contact angle and internal clearance | Indicates a 25° contact angle and a preloaded configuration for high rigidity. |
| P4 | Tolerance Class (equivalent to ABEC-7) | Denotes ultra-precision manufacturing tolerances for minimal runout and vibration. |
| A | Internal design suffix | Specifies optimized internal geometry for performance. |
7014 ACB/P4A Bearing Structural Features & Performance Benefits
- High Rigidity & Precision: The single-row angular contact design with a 25° contact angle and factory-applied preload delivers exceptional system stiffness and accurate shaft positioning, critical for high-precision equipment.
- Superior Load Capacity: Engineered to support high combined loads, with a dynamic load rating of 4095 lbf and a static load rating of 3510 lbf, making it suitable for applications with significant radial and one-direction axial forces.
- Optimized High-Speed Performance: The lightweight phenolic resin cage reduces centrifugal forces, while the precision-ground chrome steel rings and balls minimize friction, enabling stable operation at the limiting speed of 24,000 rpm.
- Pre-Lubricated & Open Design: The bearing is supplied lubricated and features an open (non-shielded) seal type, allowing for customized lubrication regimes in clean environments to maximize service life and performance.
7014 ACB/P4A Bearing Typical Application Areas
This precision angular contact bearing is ideally suited for high-performance applications, including:
- Machine Tool Spindles: For high-speed milling, grinding, and turning centers requiring extreme accuracy and rigidity.
- Precision Gearboxes: Where high rotational speeds and load capacity are critical.
- High-Frequency Motors and Spindles: In applications demanding low vibration and high-speed capability.
- Robotic Arms and Actuators: Providing precise motion control and high moment load capacity.
- Medical and Laboratory Equipment: Such as centrifuges and precision scanners that operate at high speeds with minimal runout.
