S7015 CD/P4ADGA
Sealed Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7015 CD/P4ADGA
Basic Information
System of measurement
Metric
Weight
1.28 kg
Tolerance class
P4A
Seal type
Sealed
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
12.7 mm
Ball quantity
20
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
19170 lbf
Radial static load rating
22050 lbf
Limiting speed
28 X 1000 rpm
Lubrication
Grease
Matched arrangement
Universal Matchable (SU)
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
No drawings available at the moment, will be launched soon
In Stock
Price available upon request.
Our sales team will respond within 24 hours with a competitive quote tailored to your requirements.
REQUEST A QUOTE
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
S7015 CD/P4ADGA Bearing Product Overview & Core Advantages
The S7015 CD/P4ADGA is a super-precision double row angular contact ball bearing engineered for the most demanding applications. Its primary advantage lies in its ability to simultaneously support high combined loads—significant radial loads and bidirectional axial loads—within a single, compact unit. Manufactured to the stringent P4A tolerance class, this bearing delivers exceptional running accuracy, high rigidity, and superior rotational stability, making it the ideal choice for high-speed spindles and other machinery requiring uncompromising precision and reliability.
S7015 CD/P4ADGA Bearing Model Code Explained, Specifications & Naming Convention
The model designation S7015 CD/P4ADGA provides detailed technical specifications:
- S70: Super-precision angular contact ball bearing series.
- 15: Bore diameter code (75 mm).
- CD: 15° contact angle and universal matchable (SU) design. Two bearings can be mounted in any configuration (back-to-back, face-to-face, or tandem) to achieve the desired preload and stiffness.
- P4A: Tolerance class superior to ABEC 7, specifying extremely tight dimensional and running accuracy limits.
- DG: Indicates the bearing is filled with a specific grease lubrication.
- A: Denotes Extra Light preload for minimal friction and optimal high-speed performance.
S7015 CD/P4ADGA Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The double row design provides a significantly stiffer support system compared to single row bearings, effectively handling complex combined loads. The optimized 15° contact angle is ideal for supporting high radial loads with moderate axial loads in both directions.
- Super-Precision & High-Speed Performance: The P4A tolerance class ensures minimal runout and vibration. Combined with the lightweight phenolic cage and extra light preload, the bearing achieves an exceptionally high limiting speed of 28,000 rpm, which is critical for high-speed spindle applications.
- Universal Matchability & Simplified Mounting: The Universal Matchable (SU) feature allows for flexible and simplified bearing arrangement. Any two bearings can be paired without selective matching, reducing inventory complexity and assembly time.
- Sealed & Pre-Lubricated: The bearing is sealed and pre-lubricated with high-performance grease, offering protection against contamination and providing long-term, maintenance-free operation within its specified temperature range.
S7015 CD/P4ADGA Bearing Typical Application Areas
This precision bearing is specifically designed for high-performance machinery, including:
- Machine Tool Spindles (High-speed milling, grinding, and turning centers)
- Precision Grinding Spindles
- High-Frequency Motors
- Industrial Pumps and Compressors
- Advanced Robotics and Aerospace Actuators
