7215 ACD/P4A
7200 & 7300 Series Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
7215 ACD/P4A
Basic Information
System of measurement
Metric
Weight
1.21 kg
Tolerance class
P4 (ABEC-7)
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
75 mm
Bore diameter tolerance
-0.007mm to 0
Outside diameter
130 mm
Outside diameter tolerance
-0.009mm to 0
Width
25 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
15.875 mm
Ball quantity
17
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
15502 lbf
Radial static load rating
13162 lbf
Limiting speed
15 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Preload
Available
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:
$ 158.77
/ each
In Stock
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7215 ACD/P4A Bearing Product Overview & Core Advantages
The 7215 ACD/P4A is a single-row angular contact ball bearing engineered for applications demanding exceptional precision and rigidity. Designed to accommodate combined loads, this bearing efficiently handles both radial loads and substantial axial loads in one direction. Its P4 (ABEC-7) precision class and phenolic resin cage make it an ideal solution for high-speed, high-accuracy machinery where superior rotational stability is paramount.
7215 ACD/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| A | Indicates a 25° contact angle, optimized for carrying high axial loads. |
| CD | Specifies a high-precision, duplex bearing arrangement with preload for maximum rigidity. |
| P4A | Denotes a P4 (ABEC-7) tolerance class with specific dimensional and running accuracy requirements. |
7215 ACD/P4A Bearing Structural Features & Performance Benefits
- High Rigidity & Preload: The duplex "CD" arrangement and available preload provide exceptional system stiffness, minimizing deflection under load for superior machining accuracy.
- Optimized Load Capacity: The 25° contact angle is engineered to support significant combined radial and axial loads simultaneously.
- High-Speed Performance: The lightweight and robust phenolic resin cage ensures stable operation and reduced centrifugal forces, contributing to the high limiting speed of 15,000 rpm.
- Precision Engineering: Manufactured to P4 tolerance class, this bearing guarantees minimal runout and vibration, which is critical for precision spindle applications.
7215 ACD/P4A Bearing Typical Application Areas
This precision angular contact bearing is ideally suited for:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Gearboxes: Applications requiring high rigidity and positional accuracy.
- High-Frequency Motors & Spindles: Where minimal vibration and thermal stability are critical.
- Medical & Laboratory Equipment: Centrifuges and other high-speed precision instruments.
