S7013 CD/HCP4ADGA
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
S7013 CD/HCP4ADGA
Basic Information
System of measurement
Metric
Weight
0.73 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
36 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
11.112 mm
Ball quantity
20
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
15210 lbf
Radial static load rating
16875 lbf
Limiting speed
36 X 1000 rpm
Lubrication
Grease
Matched arrangement
Universal Matchable (SU)
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
Ceramic
Cage material
Phenolic
Technical Drawings
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In Stock
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S7013 CD/HCP4ADGA Bearing Product Overview & Core Advantages
The S7013 CD/HCP4ADGA is a super-precision angular contact ball bearing engineered for the most demanding high-performance applications. Its core advantage lies in its ability to provide exceptional rotational accuracy, high rigidity, and superior speed capability simultaneously. Featuring a universal matchable (SU) design, two bearings can be paired to handle combined loads (radial and axial) from both directions, making it an ideal, compact solution for high-precision spindles requiring ultimate reliability and performance.
Model Code In-Depth Explanation
| Code Segment | Technical Meaning |
|---|---|
| S7013 | Basic bearing series, indicating a 65mm bore, 100mm OD, and 36mm width. |
| C | 15° contact angle, optimized for high-speed applications with moderate axial load capacity. |
| D | Indicates a universal matchable (SU) bearing design. |
| HC | Hybrid Ceramic: Signifies the use of ceramic balls for reduced friction, lower heat generation, and higher speed limits. |
| P4A | Indicates a super-precision tolerance class (equivalent to ABEC 7), ensuring extremely tight running accuracy. |
| DG | "Duplex Grade": Confirms the bearing is supplied as a universally matchable duplex set. |
| A | Specifies an extra light preload for minimal friction and optimal high-speed performance. |
S7013 CD/HCP4ADGA Bearing Structural Features & Performance Benefits
- Hybrid Ceramic Construction: The combination of steel rings and ceramic balls (Si3N4) significantly reduces centrifugal forces, lowers operating temperature, and extends bearing life, enabling a limiting speed of 36,000 rpm.
- High Rigidity & Load Capacity: The universal matchable (SU) duplex arrangement allows two bearings to be mounted face-to-face or back-to-back, creating a highly rigid system capable of supporting significant combined radial and axial loads in both directions.
- Phenolic Resin Cage: The lightweight and robust phenolic cage ensures excellent guidance and stability at ultra-high speeds, contributing to smooth and quiet operation.
- Super-Precision P4A Tolerance: Manufactured to the tightest geometrical and dimensional tolerances, this bearing guarantees exceptional running accuracy and minimal vibration, which is critical for achieving superior surface finishes in machining applications.
- Sealed & Pre-Lubricated: The sealed design with grease lubrication protects against contamination and provides long-term, maintenance-free operation within a wide temperature range.
S7013 CD/HCP4ADGA Bearing Typical Application Areas
This bearing is specifically designed for high-performance machinery where speed, precision, and rigidity are paramount. Key applications include:
- High-Frequency Machine Tool Spindles (for CNC milling, grinding, and drilling)
- Precision Grinding Spindles
- High-speed Robotic Drives and Servo Motors
- Aerospace auxiliary systems and instrumentation
- Other advanced machinery requiring super-precision angular contact bearings.
