S7012 CD/HCP4ADGB
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7012 CD/HCP4ADGB
Basic Information
System of measurement
Metric
Weight
0.69 kg
Tolerance class
P4A
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
60 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
95 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
19
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
14918 lbf
Radial static load rating
15638 lbf
Limiting speed
31 X 1000 rpm
Lubrication
Grease
Matched arrangement
Universal Matchable (SU)
Number of bearings in matched set
2
Universal matching bearing
Universal Matchable (SU)
Preload
Light / Class B
Materials
Ring material
Chrome Steel
Ball material
Ceramic
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
In Stock
Price available upon request.
Our sales team will respond within 24 hours with a competitive quote tailored to your requirements.
REQUEST A QUOTE
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
S7012 CD/HCP4ADGB Bearing Product Overview & Core Advantages
The S7012 CD/HCP4ADGB is a super-precision double row angular contact ball bearing engineered for the most demanding applications. Its primary advantage lies in its ability to handle combined loads (radial and bidirectional axial loads) simultaneously with exceptional accuracy and stability. Featuring a P4A tolerance class, ceramic balls, and a universal matchable (SU) design, this bearing delivers superior high-speed performance, outstanding rigidity, and long-term operational reliability in compact installations.
S7012 CD/HCP4ADGB Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| S7012 | Super-precision angular contact ball bearing series with 60 mm bore. |
| CD | Double row angular contact ball bearing design with a 15° contact angle. |
| HC | Hybrid Ceramic: Features ceramic balls for reduced friction, higher speed, and longer life. |
| P4A | Ultra-precision tolerance class (superior to ABEC 7), ensuring minimal runout and vibration. |
| DGB | Duplex pair, Universal Matchable (SU) arrangement. Two bearings are supplied as a pre-matched set for back-to-back (DB) or face-to-face (DF) mounting. |
S7012 CD/HCP4ADGB Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The double row design provides a significantly wider effective spread than single row bearings, resulting in exceptional rigidity and the ability to support substantial combined loads.
- Superior High-Speed Performance: The combination of ceramic balls (lower density, reduced centrifugal force) and a lightweight phenolic cage allows for a very high limiting speed of 31,000 rpm. This makes it an ideal high-speed bearing.
- Precision & Longevity: Manufactured to P4A tolerance and pre-lubricated with grease, this bearing ensures smooth, quiet, and precise operation with minimal heat generation over an extended service life.
- Universal Matching: The Universal Matchable (SU) designation means the supplied pair of bearings can be mounted in any preload configuration (DB or DF), offering flexibility in application design and simplifying installation.
S7012 CD/HCP4ADGB Bearing Typical Application Areas
The S7012 CD/HCP4ADGB is specified for high-performance machinery requiring utmost precision and speed. Key applications include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Robotic Drives: Articulated arms and high-accuracy positioning systems.
- High-Frequency Motors & Spindles: PCB drilling spindles and dental handpieces.
- Aerospace & Defense Systems: Gyroscopes, radar systems, and other critical navigation components.
