7215 CD/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 CD/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
15 °
Ball & Washer Dimensions
Ball diameter
15.875 mm
Ball quantity
17
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
16088 lbf
Radial static load rating
13950 lbf
Limiting speed
17 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:
$ 837.19
/ each
In Stock
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7215 CD/P4A Bearing Product Overview & Core Advantages
The 7215 CD/P4A is a high-precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. As a single-row bearing with a 15° contact angle, it is optimized to support combined loads, handling significant radial forces alongside thrust loads in one direction. Its P4 (ABEC-7) tolerance class ensures ultra-precise running, making it ideal for high-speed spindles and other high-reliability machinery. The phenolic cage and preload availability contribute to its stable performance under demanding operational conditions.
7215 CD/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7215 | Basic bearing series; 75 mm bore, 130 mm OD, 25 mm width. |
| C | Designates a 15° contact angle. |
| D | Indicates the bearing is manufactured with a preload for enhanced rigidity. |
| P4A | Specifies the tolerance class P4 (ABEC-7), denoting very high running accuracy. |
7215 CD/P4A Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: The single-row angular contact design with a 15° contact angle and available preload provides high system stiffness and minimizes axial and radial runout, which is critical for precision machining.
- Superior Load Capacity: Engineered to support combined loads effectively, with a high dynamic load rating of 16,088 lbf and a static load rating of 13,950 lbf.
- Optimized High-Speed Performance: The lightweight phenolic resin cage reduces centrifugal forces, enabling a high limiting speed of 17,000 rpm. The open design facilitates efficient lubrication management.
- Durable Construction: Components made from chrome steel offer high hardness and wear resistance, ensuring long service life in demanding applications.
7215 CD/P4A Bearing Typical Application Areas
This precision angular contact ball bearing is ideally suited for:
- Machine Tool Spindles (e.g., CNC milling, grinding, and turning centers)
- High-Speed Motors and Spindles
- Precision Gearboxes
- Pumps and Compressors
- Medical and Laboratory Equipment
