7207 ACD/P4ATGB
7200 & 7300 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7207 ACD/P4ATGB
Basic Information
System of measurement
Metric
Weight
0.86 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
72 mm
Outside diameter tolerance
-0.004mm to 0
Width
51 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
11.112 mm
Ball quantity
13
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
14918 lbf
Radial static load rating
13950 lbf
Limiting speed
41 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Universal Matchable (SU)
Number of bearings in matched set
3
Universal matching bearing
Universal Matchable (SU)
Preload
Light / Class B
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
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In Stock
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7207 ACD/P4ATGB Bearing Product Overview & Core Advantages
The 7207 ACD/P4ATGB is a high-precision double row angular contact ball bearing engineered for demanding applications requiring exceptional accuracy and rigidity. Its design enables it to simultaneously handle combined loads—significant radial loads and axial loads in both directions. Manufactured to a P4A tolerance class and featuring a universal matchable (SU) designation, this bearing is ideal for high-speed spindles and precision machinery where high rigidity and operational reliability are paramount. The phenolic cage and optimized internal geometry contribute to its superior performance.
7207 ACD/P4ATGB Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7207 ACD | Double row angular contact ball bearing with a 25° contact angle. |
| P4A | Indicates a high-precision tolerance class with enhanced running accuracy requirements. |
| TGB | Specifies the cage material: Phenolic (Textolite), which is ideal for high-speed operation. |
7207 ACD/P4ATGB Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The double row design provides a robust, compact solution that offers significantly higher rigidity and load-carrying capacity compared to single row bearings. It is optimally designed to handle combined radial and axial loads from both directions.
- Superior High-Speed Performance: The lightweight and robust phenolic cage (TGB) ensures stable operation and reduced centrifugal forces, enabling high limiting speeds of up to 41,000 rpm. The 25° contact angle provides an excellent balance between axial load capacity and speed capability.
- Precision & Reliability: Manufactured to P4A tolerance standards with tight dimensional control on the bore diameter, outside diameter, and width, this bearing guarantees minimal runout and vibration, which is critical for precision applications.
- Universal Matchability (SU): This bearing is universally matchable, allowing for flexible mounting arrangements (back-to-back, face-to-face, or tandem) in sets to achieve specific preload and stiffness characteristics without selective assembly.
7207 ACD/P4ATGB Bearing Typical Application Areas
This precision bearing is ideally suited for:
- Machine Tool Spindles
- High-Speed Machining Centers
- Precision Grinding Spindles
- Industrial Pumps and Compressors
- Robotic Arms and Precision Drives
