7015 ACD/P4ATBTA
7000 Series Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
7015 ACD/P4ATBTA
Basic Information
System of measurement
Metric
Weight
1.88 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
60 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
12.7 mm
Ball quantity
20
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
24300 lbf
Radial static load rating
31500 lbf
Limiting speed
28 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Triplex Back-to-Back (TBT)
Number of bearings in matched set
3
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
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
7015 ACD/P4ATBTA Bearing Product Overview & Core Advantages
The 7015 ACD/P4ATBTA is a precision angular contact ball bearing designed for demanding applications requiring exceptional rigidity and accuracy. This triplex back-to-back (TBT) matched set is preloaded to Extra Light (Class A) specifications, providing a compact, high-stiffness solution for spindles and other precision machinery. Its design is optimized to handle combined radial and axial loads simultaneously, making it ideal for high-speed, high-reliability environments where rotational accuracy is paramount.
7015 ACD/P4ATBTA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7015 | Basic bearing series, with 75 mm bore and 115 mm outside diameter. |
| ACD | Angular Contact design with a 25° contact angle. |
| P4A | Indicates a high-precision tolerance class (superior to ABEC 7), ensuring minimal runout and vibration. |
| TBT | Triplex Back-to-Back arrangement. Three bearings are matched and preloaded as a set to provide maximum system rigidity. |
| A | Specifies the Extra Light preload level, balancing low operating torque with high rigidity. |
7015 ACD/P4ATBTA Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The triplex back-to-back arrangement creates an exceptionally stiff bearing system, capable of withstanding heavy combined loads and moments. This configuration significantly enhances the stability of the shaft.
- Precision Performance: Manufactured to P4A tolerance class, this bearing guarantees superior running accuracy, low noise, and minimal heat generation, which is critical for high-speed applications.
- Optimized High-Speed Operation: The lightweight phenolic cage and 25° contact angle are engineered for stable performance at high rotational speeds, with a limiting speed of 28,000 rpm.
- Durable Construction: Made from chrome steel for both rings and balls, this bearing offers high fatigue life and wear resistance. The open design allows for customized lubrication schemes to suit specific operational needs.
7015 ACD/P4ATBTA Bearing Typical Application Areas
The 7015 ACD/P4ATBTA is engineered for the most demanding precision applications, including:
- Machine Tool Spindles (High-speed machining centers, grinding spindles)
- Precision Rotary Tables
- High-Frequency Motors
- Aerospace & Defense Instrumentation
- Medical Equipment Spindles
