7014 FEGA/P4A
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7014 FEGA/P4A
Basic Information
System of measurement
Metric
Weight
0.61 kg
Tolerance class
P4A
Seal type
Open
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
18 °
Ball & Washer Dimensions
Ball diameter
9.525 mm
Ball quantity
25
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
5265 lbf
Radial static load rating
4118 lbf
Limiting speed
28 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Number of bearings in matched set
2
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
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7014 FEGA/P4A Bearing Product Overview & Core Advantages
The 7014 FEGA/P4A is a high-precision angular contact ball bearing designed for applications demanding exceptional accuracy and rigidity. Manufactured to P4A tolerance class, this bearing delivers superior running precision. Its 18° contact angle and phenolic cage are optimized for high-speed operation, with a limiting speed of 28,000 rpm. As a Universal Matchable (SU) bearing, it is supplied in a set of two for preloaded arrangements, enabling it to handle combined loads (radial and axial) simultaneously with high rigidity and minimal runout, making it ideal for high-reliability, precision machinery.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| 7014 | Basic bearing series, defining the standard dimensions: 70mm bore, 110mm OD, 20mm width. |
| FE | Designates a Universal Matchable (SU) bearing. Two bearings are supplied as a matched set for precise preload configurations. |
| GA | Indicates the preload level: Extra Light (Class A). This minimizes friction and heat generation at high speeds. |
| P4A | Specifies the tolerance class, denoting very high dimensional and running accuracy exceeding ABEC 7 standards. |
7014 FEGA/P4A Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: Manufactured to P4A tolerance standards with extremely tight bore, outer diameter, and width tolerances, this bearing ensures minimal vibration and precise shaft positioning, which is critical for high-precision applications.
- Optimized for High Speeds: The lightweight phenolic resin cage and 18° contact angle work in concert to reduce centrifugal forces and friction, enabling stable operation at the high limiting speed of 28,000 rpm.
- Superior Load Capacity: The angular contact design allows the 7014 FEGA/P4A to efficiently support combined radial and axial loads, with a dynamic load rating of 5265 lbf and a static load rating of 4118 lbf.
- Universal Matching (SU): Supplied as a pre-matched pair, these bearings are designed to be mounted in a duplex arrangement (e.g., back-to-back or face-to-face) to create a preloaded system that enhances rigidity and rotational accuracy.
7014 FEGA/P4A Bearing Typical Application Areas
This precision bearing is engineered for demanding applications where high speed, accuracy, and rigidity are paramount. Key industries and equipment include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Spindles: PCB drilling and routing machines.
- High-Frequency Motors: Spindles for integrally mounted motor spindles.
- Robotics: High-accuracy joints and rotary actuators.
- Medical Equipment: Dental handpieces and laboratory centrifuges.
