7007 CD/P4ATBTA
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7007 CD/P4ATBTA
Basic Information
System of measurement
Metric
Weight
0.46 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
42 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
7605 lbf
Radial static load rating
6412 lbf
Limiting speed
56 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
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7007 CD/P4ATBTA Bearing Product Overview & Core Advantages
The 7007 CD/P4ATBTA is a precision angular contact ball bearing designed for demanding applications requiring exceptional rotational accuracy and rigidity. This triplex back-to-back (TBT) matched set offers superior performance in handling combined loads (radial and axial) simultaneously. Manufactured to the stringent P4A tolerance class, it ensures minimal runout and vibration, making it ideal for high-precision, high-rigidity spindles and machinery. The extra light preload (Class A) minimizes deflection under light loads, contributing to outstanding operational precision.
7007 CD/P4ATBTA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| CD | Indicates a 15° contact angle, optimized for high-speed operation and good axial load capacity. |
| P4A | Specifies the high-precision tolerance class, exceeding ABEC 7/ISO P4 standards for enhanced running accuracy. |
| TBT | Denotes the bearing is part of a Triplex Back-to-Back matched set of three bearings, providing maximum rigidity and moment load capacity. |
| A | Signifies the extra light preload applied to the matched set, reducing deflection and improving positional accuracy. |
7007 CD/P4ATBTA Bearing Structural Features & Performance Benefits
- High Rigidity & Moment Load Capacity: The triplex back-to-back (TBT) arrangement creates a highly rigid bearing system capable of withstanding significant moment loads, making it exceptionally stable under complex loading conditions.
- Precision & High-Speed Performance: The 15° contact angle and P4A tolerance class ensure smooth, quiet operation at high speeds (limiting speed of 56,000 rpm). The phenolic cage offers low weight and excellent performance at high rotational speeds.
- Superior Load Ratings: With a dynamic load rating of 7605 lbf and a static load rating of 6412 lbf, this bearing set is engineered for long service life under demanding combined radial and axial loads.
- Optimized Material Selection: Components made from chrome steel provide high hardness and durability, while the phenolic cage contributes to the bearing's high-speed capability.
7007 CD/P4ATBTA Bearing Typical Application Areas
This precision bearing set is ideally suited for applications where high rigidity, accuracy, and speed are paramount. Key industries and equipment include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Spindles: PCB drilling, engraving, and high-frequency motor spindles.
- Robotics: High-accuracy robotic arms and joints.
- Medical Equipment: Dental handpieces and high-speed medical drills.
- Aerospace & Defense: Gyroscopes, navigation systems, and other critical instrumentation.
