S7013 CEGA/HCP4A
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
S7013 CEGA/HCP4A
Basic Information
System of measurement
Metric
Weight
0.41 kg
Tolerance class
P4A
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
65 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
100 mm
Outside diameter tolerance
-0.004mm to 0
Width
18 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
8.731 mm
Ball quantity
25
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
4568 lbf
Radial static load rating
3510 lbf
Limiting speed
36 X 1000 rpm
Lubrication
Grease
Matched arrangement
Single
Number of bearings in matched set
4
Universal matching bearing
Universal Matchable (SU)
Preload
Extra light / Class A
Materials
Ring material
Chrome Steel
Ball material
Ceramic
Cage material
Phenolic
Technical Drawings
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In Stock
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S7013 CEGA/HCP4A Bearing Product Overview & Core Advantages
The S7013 CEGA/HCP4A is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional accuracy and performance. This single bearing features a 15° contact angle and extra light preload (Class A), making it ideal for setups requiring minimal deflection and high rotational accuracy. Its standout feature is the use of ceramic balls and a phenolic cage, which contribute to superior high-speed capabilities, reduced weight, and extended service life. Designed to handle combined loads (radial and axial), it offers outstanding rigidity and operational reliability in precision machinery.
S7013 CEGA/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| CEGA | Indicates the bearing is universally matchable (SU) and can be paired in any combination to achieve the desired preload or rigidity without selective mounting. |
| HCP4A | Denotes a P4A tolerance class for ultra-high precision, along with specific internal design and grease lubrication optimized for performance. |
S7013 CEGA/HCP4A Bearing Structural Features & Performance Benefits
- High Rigidity & Precision: The angular contact design with a 15° contact angle and Class A preload provides excellent axial and radial stiffness, minimizing runout and ensuring precise shaft positioning.
- Superior High-Speed Performance: The combination of ceramic balls (lower density, reduced centrifugal force) and a lightweight phenolic resin cage enables very high limiting speeds (36,000 rpm), reducing friction and heat generation.
- Enhanced Durability & Life: Ceramic-ball construction offers superior resistance to wear and is less susceptible to lubrication breakdown, significantly increasing bearing service life under high-speed and temperature-varying conditions.
- Sealed & Lubricated for Life: As a sealed bearing pre-filled with high-performance grease, it is protected from contamination and is effectively maintenance-free within its specified temperature range (-30°C to 110°C).
S7013 CEGA/HCP4A Bearing Typical Application Areas
This bearing is specifically designed for high-performance applications where speed, precision, and reliability are critical. Key industries and equipment include:
- Machine Tool Spindles: For high-speed milling, grinding, and turning centers.
- Precision Robotics: In arm joints and spindle drives requiring high accuracy and rigidity.
- High-Frequency Motors & Spindles: Used in electric motors and motorized spindles for PCB drilling and semiconductor manufacturing.
- Aerospace & Defense Systems: In gyroscopes, navigation systems, and other critical instrumentation.
