S7015 CB/P4A
Sealed Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7015 CB/P4A
Basic Information
System of measurement
Metric
Weight
0.7 kg
Tolerance class
P4 (ABEC-7)
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
75 mm
Bore diameter tolerance
-0.007mm to 0
Outside diameter
115 mm
Outside diameter tolerance
-0.008mm to 0
Width
20 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
7.938 mm
Ball quantity
30
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
4478 lbf
Radial static load rating
3960 lbf
Limiting speed
16 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:
$ 724.17
/ each
In Stock
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S7015 CB/P4A Bearing Product Overview & Core Advantages
The S7015 CB/P4A is a 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 high-speed operation and significant combined loads (radial and axial). Manufactured to the stringent P4 (ABEC-7) tolerance class, it ensures minimal runout and vibration, making it ideal for high-precision, high-reliability machinery. Its preload availability further enhances system rigidity and positional accuracy.
S7015 CB/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| CB | Specific internal clearance and preload designation, optimized for high rigidity and precision. |
| P4A | Indicates a P4 (ABEC-7) tolerance class with specific accuracy requirements for the outer ring and shaft fits. |
S7015 CB/P4A Bearing Structural Features & Performance Benefits
- High Rigidity & Precision: The single-row design with a 15° contact angle and availability of preload provides excellent stiffness, minimizing deflection under load for superior machining or positioning accuracy.
- Superior Load Capacity: Engineered to handle significant combined radial and axial loads simultaneously, thanks to the optimized raceway geometry and contact angle.
- High-Speed Performance: The lightweight phenolic resin cage reduces centrifugal forces, enabling stable operation at the high limiting speed of 16,000 rpm. The bearing comes pre-lubricated for immediate high-speed operation.
- Enhanced Durability & Sealing: As a sealed bearing, it is protected from contamination. The use of high-grade chrome steel for rings and balls ensures long service life and reliable performance within a temperature range of -30°C to 110°C.
S7015 CB/P4A Bearing Typical Application Areas
This precision angular contact ball bearing is ideally suited for high-performance applications, including:
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Spindles
- Medical and Dental Equipment
- Robotic Arm Joints
