7211 BECBPH
Single Row Angular Contact Ball Bearings
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Part No.
Part No.
7211 BECBPH
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.62 kg
Tolerance class
P6 (ABEC-3)
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
55 mm
Bore diameter tolerance
-0.012mm to 0
Outside diameter
100 mm
Outside diameter tolerance
-0.013mm to 0
Width
21 mm
Width tolerance
-0.05mm to 0
Chamfer dimension
1.5 mm
Contact angle
40 °
Distance from side face to load point
43 mm
Inner Ring Dimensions
Inner ring large-side shoulder diameter
72.45 mm
Inner ring small-side shoulder diameter
63.62 mm
Outer Ring Dimensions
Shoulder diameter outer ring
83.3 mm
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
11025 lbf
Radial static load rating
9000 lbf
Limiting speed
8 X 1000 rpm
Lubrication
Lubricated
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Nylon
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
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In Stock
Price available upon request.
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7211 BECBPH Bearing Product Overview & Core Advantages
The 7211 BECBPH is a single row angular contact ball bearing engineered for applications requiring high precision and reliable performance under combined loads. This metric bearing features a 40° contact angle, optimized to support significant axial loads in one direction alongside radial loads. Manufactured to P6 (ABEC-3) tolerance class, it delivers exceptional running accuracy, making it ideal for high-speed applications with a limiting speed of 8,000 rpm. Its open design and pre-lubrication ensure versatility across a wide operating temperature range from -30°C to 110°C.
7211 BECBPH Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Significance & Advantage |
|---|---|---|
| BE | High Capacity / Optimized Internal Design | Indicates an enhanced internal geometry that increases the load rating and improves performance. |
| CB | Specific Internal Clearance & Contact Angle | Defines the standard contact angle of 40° and internal clearance, crucial for precise axial positioning and load handling. |
| PH | Glass Fiber Reinforced Nylon Cage | Specifies the use of a lightweight, robust nylon cage that contributes to quiet operation, lower friction, and suitability for high-speed operation. |
7211 BECBPH Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: The single row angular contact design, combined with P6 precision class manufacturing, provides excellent dimensional stability and rotational accuracy, essential for maintaining system rigidity.
- Superior Load Capacity: The 40° contact angle is specifically engineered to handle high axial loads in one direction in addition to radial loads, offering a dynamic load rating of 11,025 lbf and a static load rating of 9,000 lbf.
- Optimized High-Speed Performance: The lightweight nylon cage (PH) minimizes centrifugal forces and ensures stable operation at the limiting speed of 8,000 rpm. The optimized internal geometry further enhances high-speed capability.
- Durability and Reliability: Constructed from chrome steel for both rings and balls, the bearing offers high wear resistance and long service life. The open design allows for customized lubrication regimes to suit specific application needs.
7211 BECBPH Bearing Typical Application Areas
The 7211 BECBPH is ideally suited for demanding applications across various industries, including:
- Machine Tool Spindles: For high-precision machining centers requiring high speed, rigidity, and accuracy.
- Pumps and Compressors: Where reliable performance under combined radial and axial loads is critical.
- Gearboxes and Transmissions: To support shafts and handle thrust loads efficiently.
- Electric Motors: Particularly in high-performance variants that demand precise bearing solutions.
- Material Handling Equipment: For use in high-cycle, reliable machinery.
