7007 CD/P4ADBA
7000 Series Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
7007 CD/P4ADBA
Basic Information
System of measurement
Metric
Weight
0.31 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
35 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
62 mm
Outside diameter tolerance
-0.004mm to 0
Width
28 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
7.938 mm
Ball quantity
16
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
5738 lbf
Radial static load rating
4275 lbf
Limiting speed
56 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
Price:
$ 127.97
/ each
In Stock
- Fast delivery
- Free shipping on orders over $200
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
7007 CD/P4ADBA Bearing Product Overview & Core Advantages
The 7007 CD/P4ADBA is a precision duplex pair of angular contact ball bearings designed for applications demanding exceptional rotational accuracy and rigidity. This back-to-back (DB) arrangement is preloaded to Extra Light / Class A specifications, making it ideal for managing combined loads (radial and axial) from both directions simultaneously. Manufactured to the stringent P4A tolerance class, it offers superior running accuracy, high-speed capability, and reliable performance in high-precision machinery.
7007 CD/P4ADBA Bearing Model Code Explained, Specifications & Naming Convention
| Code Suffix | Technical Meaning |
|---|---|
| CD | Indicates a duplex pair with a specific preload and universal matching. In this context, it signifies the back-to-back (DB) arrangement. |
| P4A | Denotes a high-precision tolerance class exceeding ABEC 7, with enhanced dimensional and running accuracy specifications. |
| DB | Specifies the back-to-back mounting of the two bearings in the pair. This arrangement provides high moment rigidity. |
| A | Signifies the Extra Light preload category, optimizing the bearing for high-speed operation with minimal friction. |
7007 CD/P4ADBA Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The duplex back-to-back (DB) design creates a wide effective spread, significantly increasing system rigidity and enabling the bearing set to withstand substantial combined radial and axial loads, as well as overturning moments.
- Precision & High-Speed Performance: Manufactured to P4A tolerance class with a 15° contact angle and a lightweight phenolic resin cage, this bearing ensures smooth operation, minimal vibration, and a high limiting speed of 56,000 rpm.
- Optimized Material & Construction: The use of high-grade chrome steel for rings and balls, combined with precise ball diameter and quantity (7.938 mm, 16 balls), ensures long-term durability and consistent performance under demanding conditions.
- Ready-to-Install: The set is supplied pre-lubricated and matched, simplifying installation and ensuring optimal performance from the first rotation.
7007 CD/P4ADBA Bearing Typical Application Areas
The 7007 CD/P4ADBA is engineered for high-performance applications where precision and stiffness are paramount. Key industries and equipment include:
- Machine Tool Spindles: For high-speed milling, grinding, and turning centers.
- Precision Gearboxes: Especially in robotics and high-accuracy drive systems.
- High-Frequency Motors and Spindles: Where low runout and thermal stability are critical.
- Medical and Laboratory Equipment: Such as centrifuges and precision scanners.
- Aerospace Actuation Systems: Demanding high reliability and accuracy.
