7014 CE/P4ADBB
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7014 CE/P4ADBB
Basic Information
System of measurement
Metric
Weight
1.22 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
40 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
9.525 mm
Ball quantity
25
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
8775 lbf
Radial static load rating
8212 lbf
Limiting speed
22 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Duplex Back-to-Back (DB)
Number of bearings in matched set
2
Universal matching bearing
No (Standard)
Preload
Light / Class B
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
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In Stock
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7014 CE/P4ADBB Bearing Product Overview & Core Advantages
The 7014 CE/P4ADBB is a precision angular contact ball bearing configured as a duplex back-to-back (DB) matched set. This configuration is engineered to provide exceptional system rigidity and the ability to withstand combined loads, including significant radial loads and bidirectional axial loads. Manufactured to the exacting P4A tolerance class, it delivers superior running accuracy, making it an ideal choice for high-precision, high-reliability applications requiring stable rotational performance.
7014 CE/P4ADBB Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7014 | Basic bearing series, with a 70 mm bore, 110 mm OD, and 40 mm width. |
| CE | Specific internal design with a 15° contact angle and optimized internal geometry. |
| P4A | Indicates a high-precision tolerance class with very tight dimensional and running accuracy limits. |
| DBB | Denotes a Duplex Back-to-Back arrangement. This preloaded set enhances system rigidity and moment load capacity. |
7014 CE/P4ADBB Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The duplex back-to-back (DB) mounting creates a rigid bearing system that effectively resists moment loads and supports heavy combined radial and axial loads from both directions.
- Precision Performance: The P4A tolerance class ensures minimal runout and vibration, which is critical for applications demanding high rotational accuracy.
- Optimized Internal Design: The 15° contact angle provides an excellent balance between radial load capacity and axial load capacity. The phenolic cage offers high strength with low weight, contributing to smooth operation at high speeds.
- Premium Materials: Constructed from chrome steel for both rings and balls, ensuring high durability, wear resistance, and a long operational lifespan.
7014 CE/P4ADBB Bearing Typical Application Areas
This precision duplex bearing set is specifically designed for demanding applications, including:
- Machine Tool Spindles (e.g., for milling, grinding, and turning centers)
- High-Precision Gearboxes
- Industrial Pumps and Compressors
- Precision Measuring and Testing Equipment
