7012 CE/P4ADBB
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7012 CE/P4ADBB
Basic Information
System of measurement
Metric
Weight
0.84 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
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
34 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Duplex Back-to-Back (DB)
Number of bearings in matched set
2
Universal matching bearing
No (Standard)
Preload
Light / Class B
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
In Stock
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7012 CE/P4ADBB Bearing Product Overview & Core Advantages
The 7012 CE/P4ADBB is a precision angular contact ball bearing designed for demanding applications requiring exceptional rotational accuracy and rigidity. This duplex back-to-back (DB) matched set delivers superior performance under combined loads, effectively handling radial and axial forces simultaneously. Manufactured to P4A tolerance class and featuring a light preload (Class B), it ensures smooth operation, minimal runout, and high system stability, making it ideal for high-precision, high-reliability machinery.
7012 CE/P4ADBB Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| CE | Indicates a duplex bearing with a specific internal clearance and preload selection. |
| P4A | Denotes an ultra-precision tolerance class with enhanced dimensional and running accuracy, superior to ABEC 7. |
| DB | Specifies the matched arrangement as Back-to-Back, providing high moment rigidity and excellent stability. |
7012 CE/P4ADBB Bearing Structural Features & Performance Benefits
- High Rigidity & Stability: The duplex back-to-back (DB) arrangement creates a wide, rigid support system that effectively resists moment loads and shaft deflection, ensuring precise alignment and positioning.
- Superior Load Capacity: With a 15° contact angle and a dynamic load rating of 6210 lbf, this bearing is engineered to handle significant combined radial and axial loads.
- Optimized High-Speed Performance: The phenolic resin cage offers low weight and excellent performance at high speeds, contributing to a limiting speed of 34,000 rpm. The design minimizes friction and heat generation.
- Precision Engineering: Manufactured from chrome steel for both rings and balls, and held to a P4A tolerance class, this bearing guarantees exceptional dimensional stability and smooth, quiet operation.
7012 CE/P4ADBB Bearing Typical Application Areas
This bearing is specifically designed for high-performance applications, including:
- Machine Tool Spindles (e.g., CNC milling, grinding, and turning centers)
- High-Speed Precision Spindles for PCB drilling and routing
- Industrial Pumps and Compressors
- Robotic Arm Joints and Precision Gearboxes
