S7012 CE/P4ADFA
Sealed Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
S7012 CE/P4ADFA
Basic Information
System of measurement
Metric
Weight
0.86 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
7.938 mm
Ball quantity
25
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
6210 lbf
Radial static load rating
5738 lbf
Limiting speed
36 X 1000 rpm
Lubrication
Grease
Matched arrangement
Duplex Face-to-Face (DF)
Number of bearings in matched set
2
Universal matching bearing
No (Standard)
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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S7012 CE/P4ADFA Bearing Product Overview & Core Advantages
The S7012 CE/P4ADFA is a precision duplex angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. This matched set features a Face-to-Face (DF) arrangement and an Extra Light (A) preload, making it ideal for high-speed spindles and other precision machinery. Its primary advantage lies in its ability to support combined loads (radial and axial) simultaneously from both directions, providing superior stiffness and rotational stability in a compact design.
S7012 CE/P4ADFA Bearing Model Code Explained, Specifications & Naming Convention
The model number S7012 CE/P4ADFA provides detailed technical specifications:
- S7012: Standard bore (60mm), outside diameter (95mm), and width (36mm) dimensions.
- C: 15° contact angle, optimized for high-speed operation and axial load capacity.
- E: High-Grade Phenolic Resin Cage, contributing to lower friction, reduced weight, and superior high-speed performance.
- P4A: High-Precision Tolerance Class, ensuring extremely tight dimensional and running accuracy for demanding applications.
- DF: Duplex Face-to-Face arrangement. This configuration increases system rigidity and is particularly effective for withstanding overturning moments.
- A: Extra Light Preload, which minimizes friction and heat generation, making it suitable for very high-speed applications.
S7012 CE/P4ADFA Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The duplex DF arrangement and two-piece phenolic cage create an exceptionally rigid bearing unit capable of handling significant combined radial and bidirectional axial loads.
- Superior High-Speed Performance: The combination of the 15° contact angle, lightweight phenolic cage, and extra light preload allows for a high limiting speed of 36,000 rpm, making it an excellent high-speed bearing.
- Precision & Accuracy: Manufactured to P4A tolerance class with tight bore, OD, and width tolerances, this bearing guarantees minimal runout and vibration for ultra-precise applications.
- Sealed & Lubricated for Life: As a sealed bearing pre-lubricated with grease, it is protected from contamination and is maintenance-free within its specified temperature range (-30°C to 110°C).
S7012 CE/P4ADFA Bearing Typical Application Areas
This precision angular contact ball bearing is engineered for high-performance applications, including:
- Machine Tool Spindles (High-speed milling, grinding, and turning centers)
- Precision Grinding Spindles
- High-Frequency Machining Centers
- High-Speed Pumps and Compressors
- Other precision rotary equipment requiring high rigidity, speed, and accuracy.
