7015 CE/P4ADBA
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7015 CE/P4ADBA
Basic Information
System of measurement
Metric
Weight
1.29 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
75 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
115 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
26
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
9518 lbf
Radial static load rating
9675 lbf
Limiting speed
24 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
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
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7015 CE/P4ADBA Bearing Product Overview & Core Advantages
The 7015 CE/P4ADBA is a precision angular contact ball bearing designed for demanding applications requiring exceptional rotational accuracy and rigidity. This duplex back-to-back (DB) arrangement bearing set is preloaded to Extra Light (Class A) specifications, delivering superior system stiffness and minimal runout. Engineered to handle combined loads (radial and axial), it is ideal for high-precision, high-reliability machinery where positional accuracy is paramount. The P4A tolerance class ensures ultra-precise dimensional and running accuracy, making it a cornerstone for advanced mechanical systems.
7015 CE/P4ADBA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Significance & Advantage |
|---|---|---|
| CE | High Capacity / Optimized Internal Design | Indicates an enhanced internal geometry that increases the load rating and potentially the limiting speed. |
| P4A | High Precision Tolerance Class | Denotes extremely tight tolerances on bore, outside diameter, and width, along with very low running noise and vibration for superior performance in precision applications. |
| DB | Duplex Back-to-Back Arrangement | Two bearings are mounted together to withstand moment loads and provide high rigidity. This arrangement offers excellent operational stability. |
| A | Extra Light Preload | Specifies the preload level applied to the matched set, minimizing deflection and maximizing system stiffness without generating excessive heat. |
7015 CE/P4ADBA Bearing Structural Features & Performance Benefits
- High Rigidity & Stability: The duplex back-to-back (DB) arrangement creates a rigid bearing system that effectively resists moment loads and shaft deflection, ensuring precise alignment and stable operation under heavy combined loads.
- Superior Load Capacity: The 15° contact angle and optimized CE internal design provide an excellent balance between radial and axial load carrying capacity, making it suitable for applications with significant thrust forces.
- Precision & High-Speed Performance: Manufactured to P4A tolerance class and featuring a lightweight phenolic cage, this bearing achieves low vibration levels and a high limiting speed of 24,000 rpm, which is critical for high-speed spindles.
- Durability & Reliability: Constructed from high-grade chrome steel for both rings and balls, the bearing offers excellent wear resistance and long service life in precision machinery.
7015 CE/P4ADBA Bearing Typical Application Areas
This bearing is specifically engineered for high-performance applications, including:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Grinding Spindles: Applications demanding extreme accuracy and surface finish.
- High-Frequency Motors: Spindles for PCB drilling and other high-RPM electric motors.
- Industrial Pumps & Compressors: Where high rigidity and precise shaft positioning are required.
