7212 ACCBM
Single Row Angular Contact Ball Bearings
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Part No.
Part No.
7212 ACCBM
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.8 kg
Tolerance class
P6 (ABEC-3)
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
60 mm
Bore diameter tolerance
-0.012mm to 0
Outside diameter
110 mm
Outside diameter tolerance
-0.013mm to 0
Width
22 mm
Width tolerance
-0.05mm to 0
Chamfer dimension
1.5 mm
Contact angle
25 °
Distance from side face to load point
30 mm
Inner Ring Dimensions
Inner ring large-side shoulder diameter
79.51 mm
Inner ring small-side shoulder diameter
69.299 mm
Outer Ring Dimensions
Shoulder diameter outer ring
91.41 mm
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
15638 lbf
Radial static load rating
12600 lbf
Limiting speed
11 X 1000 rpm
Lubrication
Lubricated
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Brass
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
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7212 ACCBM Bearing Product Overview & Core Advantages
The 7212 ACCBM is a single row angular contact ball bearing engineered for high-precision applications requiring superior performance under combined loads. This metric bearing is characterized by its ability to support significant radial loads and unidirectional axial loads simultaneously, making it ideal for arrangements requiring high rigidity and rotational accuracy. Manufactured to P6 (ABEC-3) tolerance with a 25° contact angle, it delivers exceptional running accuracy and is pre-lubricated for immediate operation. Its open design allows for custom re-lubrication strategies, offering flexibility in demanding industrial environments.
7212 ACCBM Bearing Model Code Explained, Specifications & Naming Convention
The model number 7212 ACCBM can be broken down as follows to understand its technical specifications:
- 7212: Basic bearing series. "72" denotes a light-weight angular contact series, and "12" indicates a 60 mm bore diameter.
- A: Signifies a 25° contact angle, optimized for supporting high axial loads.
- CC: Indicates a special internal geometry with enhanced load-carrying capacity.
- BM: Designates that the bearing is supplied pre-lubricated.
7212 ACCBM Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: The single row design with a 25° contact angle and P6 precision class provides excellent dimensional stability and running accuracy, which is critical for machine tool spindles and other high-speed applications.
- Superior Load Capacity: Engineered with a robust brass cage and optimized internal geometry (CC design), this bearing achieves a high dynamic load rating of 15,638 lbf and a static load rating of 12,600 lbf, enabling reliable operation under combined radial and axial loads.
- High-Speed Capability: The combination of the brass cage and precision grinding allows for a limiting speed of 11,000 rpm, making it suitable for high-speed applications.
- Material and Compliance: Constructed from chrome steel for both rings and balls, ensuring high durability and wear resistance. The bearing is compliant with ROHS and REACH regulations.
7212 ACCBM Bearing Typical Application Areas
This angular contact ball bearing is ideally suited for applications where high precision and speed are paramount. Key industries and equipment include:
- Machine Tool Spindles
- High-Speed Pumps and Compressors
- Precision Gearboxes
- Industrial Robotics and Automation
- Medical and Laboratory Equipment
