7012 FE/HCP4AH1DT
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7012 FE/HCP4AH1DT
Basic Information
System of measurement
Metric
Weight
0.78 kg
Tolerance class
P4A
Seal type
Open
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
18 °
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
35 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Duplex Tandem (DT)
Number of bearings in matched set
2
Universal matching bearing
No (Standard)
Preload
Available
Materials
Ring material
Chrome Steel
Ball material
Ceramic
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 362.5
/ each
In Stock
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7012 FE/HCP4AH1DT Bearing Product Overview & Core Advantages
The 7012 FE/HCP4AH1DT is a precision duplex tandem angular contact ball bearing set designed for applications demanding exceptional rigidity and accuracy under combined loads. This P4A super-precision class bearing features a ceramic ball and phenolic cage construction, enabling superior high-speed performance up to 35,000 rpm. Its duplex tandem (DT) arrangement is preloaded, providing maximum axial stiffness and precise shaft positioning, making it ideal for high-reliability, high-precision machinery.
7012 FE/HCP4AH1DT Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| FE | Precision grinding of raceways and high-precision geometry. |
| HC | Hybrid Ceramic: Signifies the use of ceramic balls for reduced friction, higher speed capability, and longer service life. |
| P4A | Super Precision Tolerance Class, offering extremely tight dimensional and running accuracy. |
| H1 | Preload designation for the matched set. |
| DT | Duplex Tandem arrangement. Two bearings are mounted together to share axial loads in the same direction, significantly increasing axial load capacity and rigidity. |
7012 FE/HCP4AH1DT Bearing Structural Features & Performance Benefits
- High Rigidity and Load Capacity: The duplex tandem (DT) arrangement with applied preload creates an exceptionally rigid bearing system. This configuration is optimized to handle heavy combined loads (radial and axial) and provides superior axial stiffness for precise shaft control.
- Superior High-Speed Performance: The combination of ceramic balls (lower density, reduced centrifugal force) and a lightweight phenolic resin cage allows for a very high limiting speed of 35,000 rpm. This design minimizes friction and heat generation.
- Precision and Accuracy: Manufactured to P4A tolerance class with a 18° contact angle, this bearing ensures minimal runout and vibration, which is critical for applications requiring high rotational accuracy.
- Pre-Lubricated for Immediate Use: The bearing comes lubricated, ready for installation and immediate operation within its specified temperature range.
7012 FE/HCP4AH1DT Bearing Typical Application Areas
This bearing set is ideally suited for high-performance applications in:
- Machine Tool Spindles (High-speed machining centers, grinding spindles)
- Precision Grinding Equipment
- High-Frequency Motors and Spindles
- Aerospace Actuation Systems
- Medical and Dental Drill Handpieces
