S7016 CEGA/P4A
Sealed Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
S7016 CEGA/P4A
Basic Information
System of measurement
Metric
Weight
0.9 kg
Tolerance class
P4A
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
80 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
125 mm
Outside diameter tolerance
-0.004mm to 0
Width
22 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
11.112 mm
Ball quantity
25
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
7605 lbf
Radial static load rating
6300 lbf
Limiting speed
28 X 1000 rpm
Lubrication
Grease
Matched arrangement
Single
Number of bearings in matched set
2
Universal matching bearing
Universal Matchable (SU)
Preload
Extra light / Class A
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
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In Stock
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S7016 CEGA/P4A Bearing Product Overview & Core Advantages
The S7016 CEGA/P4A is a high-precision double row angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. Engineered with extra light preload (Class A) and P4A super-precision tolerance, this bearing delivers superior running performance and positional stability. Its double row design enables it to support combined radial and axial loads simultaneously, making it an ideal compact solution for high-speed, high-rigidity spindles and precision machinery where reliability is paramount.
S7016 CEGA/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Advantage |
|---|---|---|
| CEGA | Universal Matchable bearing set (SU designation), designed for specific preload and alignment when paired. | Ensures optimal performance and simplified installation in matched arrangements. |
| P4A | Super-precision tolerance class, exceeding ABEC 7/ISO P4 standards. | Delivers extremely low runout and vibration for superior precision in demanding applications. |
S7016 CEGA/P4A Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The double row angular contact design and 15° contact angle provide high radial and axial stiffness, capable of handling significant combined loads from multiple directions.
- Super-Precision Performance: Manufactured to P4A tolerance class with bore and OD tolerances of -0.004mm to 0, ensuring exceptional dimensional accuracy and minimal runout for ultra-precise positioning.
- Optimized High-Speed Operation: The lightweight phenolic cage and optimized internal geometry contribute to lower centrifugal forces, supporting a high limiting speed of 28,000 rpm.
- Pre-Lubricated & Sealed: Comes grease lubricated and sealed for immediate use, offering protection against contamination and providing long-term, maintenance-free operation within a temperature range of -30°C to 110°C.
- Universal Matching: Designed as a Universal Matchable (SU) bearing, allowing for precise preload and alignment control when used in pairs, which is critical for spindle applications.
S7016 CEGA/P4A Bearing Typical Application Areas
This bearing is ideally suited for high-performance applications, including:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Grinding Spindles: Applications requiring extreme accuracy and smooth operation.
- High-Frequency Motors: Spindles for PCB drilling and other high-RPM electric motors.
- Industrial Pumps & Compressors: Where reliability and precision under load are critical.
