7015 CD/P4ADBC
7000 Series Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
7015 CD/P4ADBC
Basic Information
System of measurement
Metric
Weight
1.26 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
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
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
Moderate / Class C
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 CD/P4ADBC Bearing Product Overview & Core Advantages
The 7015 CD/P4ADBC is a precision duplex angular contact ball bearing set, designed for applications demanding high rigidity and exceptional running accuracy. This matched back-to-back (DB) arrangement is preloaded to provide Moderate (Class C) preload out-of-the-box, ensuring superior system stiffness and minimal axial and radial runout. Its primary advantage lies in its ability to handle combined loads—significant radial loads alongside thrust loads in both directions—making it an ideal choice for high-precision, high-speed spindles and other critical machinery components where positional accuracy is paramount.
7015 CD/P4ADBC Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7015 | Basic bearing series and size designation (75mm bore, 115mm OD, 40mm width). |
| C | 15° contact angle, optimized for high-speed performance and moderate axial load capacity. |
| D | Indicates the bearing is part of a duplex (matched) pair. |
| DB | Specifies the Back-to-Back mounting arrangement, which provides high moment rigidity. |
| P4A | Denotes a high precision tolerance class, exceeding ABEC 7/ISO P4 standards, for applications requiring extreme running accuracy. |
7015 CD/P4ADBC Bearing Structural Features & Performance Benefits
- High Rigidity & System Stability: The back-to-back (DB) duplex arrangement creates a wide effective spread of the load-carrying balls, significantly increasing the bearing set's resistance to moment loads and tilting, resulting in exceptional high rigidity for the entire spindle or shaft system.
- Superior Load Capacity: Engineered to withstand combined loads effectively. The 15° contact angle provides a balanced capacity for both radial and bidirectional axial loads.
- Optimized for High-Speed Operation: The lightweight phenolic resin cage ensures excellent dimensional stability and low friction at high rotational speeds, contributing to a high limiting speed of 22,000 rpm. The moderate preload is calibrated to control skidding and maintain bearing integrity under rapid acceleration.
- Precision & Accuracy: Manufactured to P4A tolerance class with tight bore diameter and outside diameter tolerances, this bearing guarantees minimal runout and superior rotational accuracy, which is critical for machining finish and dimensional consistency.
7015 CD/P4ADBC Bearing Typical Application Areas
This precision bearing set is specifically designed for high-performance applications, including:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers where precision and rigidity are non-negotiable.
- Precision Spindles: Used in PCB drilling, semiconductor manufacturing equipment, and other high-accuracy automated machinery.
- High-Frequency Motors: Spindles for routers and other motorized tools requiring high RPM and low vibration.
- Industrial Pumps & Compressors: Applications demanding precise shaft positioning and robust performance under combined loads.
