S7012 ACDTP/P4B
Sealed Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7012 ACDTP/P4B
Basic Information
System of measurement
Metric
Weight
0.41 kg
Tolerance class
P4 (ABEC-7)
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
60 mm
Bore diameter tolerance
-0.007mm to 0
Outside diameter
95 mm
Outside diameter tolerance
-0.008mm to 0
Width
18 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
11.112 mm
Ball quantity
19
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
8775 lbf
Radial static load rating
7538 lbf
Limiting speed
13 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Preload
Available
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 501.03
/ each
In Stock
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S7012 ACDTP/P4B Bearing Product Overview & Core Advantages
The S7012 ACDTP/P4B is a high-precision angular contact ball bearing engineered for applications demanding exceptional rigidity and rotational accuracy. As a single-row bearing with a 25° contact angle and P4 (ABEC-7) tolerance class, it is designed to handle combined loads—significant radial loads and unidirectional axial loads—simultaneously. Its preloaded configuration ensures minimal axial and radial play, providing superior stiffness and smooth operation, making it ideal for high-speed spindles and other precision machinery.
S7012 ACDTP/P4B Bearing Model Code Explained, Specifications & Naming Convention
The model designation S7012 ACDTP/P4B provides detailed technical specifications:
- S70: Denotes a high-precision bearing series.
- 12: Indicates a bore diameter of 60 mm (12 x 5 = 60 mm).
- AC: Angular Contact design with a defined contact angle.
- DT: Signifies a matched set (Duplex Tandem) arrangement, though this specific model is supplied as a single, preloaded unit.
- P: Indicates a phenolic resin cage, which is lightweight and suitable for high-speed operation.
- P4B: Specifies the tolerance class P4 (ABEC-7) and likely includes additional precision running accuracy requirements.
S7012 ACDTP/P4B Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: Manufactured to P4 tolerance class with a preload, this bearing offers exceptional running accuracy and system stiffness, critical for minimizing deflection under load.
- Superior Load Capacity: The 25° contact angle and optimized internal geometry enable high radial dynamic load rating (8775 lbf) and excellent capacity for unidirectional axial loads.
- High-Speed Performance: The lightweight phenolic cage and precision-ground chrome steel components contribute to a high limiting speed of 13,000 rpm, reducing centrifugal forces and operational temperatures.
- Durability and Reliability: Constructed from high-grade chrome steel for rings and balls, the bearing ensures long service life and consistent performance within a temperature range of -30°C to 110°C.
S7012 ACDTP/P4B Bearing Typical Application Areas
This bearing is ideally suited for high-performance applications requiring precision and speed, including:
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Spindles
- Industrial Pumps and Compressors
- Aerospace Control Systems
