7226 BCBM
Single Row Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Inner Ring Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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7226 BCBM Bearing Product Overview & Core Advantages
The 7226 BCBM is a precision angular contact ball bearing designed for demanding applications requiring high rotational accuracy and rigidity. Engineered as a single row bearing, it excels at handling combined loads, efficiently supporting both radial and significant one-direction axial loads simultaneously. Its 40° contact angle and P6 (ABEC-3) tolerance class ensure superior running accuracy, making it an ideal choice for high-speed spindles and other high-precision machinery where reliability and performance are critical.
7226 BCBM Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7226 | Standard bearing series designation indicating a 130mm bore, 230mm OD, and 40mm width. |
| B | Signifies a 40° contact angle, optimized for supporting high axial loads. |
| C | Indicates the bearing is manufactured to a P6 (ABEC-3) tolerance class for high precision. |
| BM | Denotes the bearing is lubricated and features a brass cage (M) for high-speed stability and strength. |
7226 BCBM Bearing Structural Features & Performance Benefits
The performance of the 7226 BCBM is derived from its robust construction and material selection. The single row design with a 40° contact angle provides exceptional axial load capacity and system rigidity. The use of a brass cage (BM) ensures excellent dimensional stability and low wear at high rotational speeds, contributing to the bearing's high-speed capability with a limiting speed of 3,800 rpm. Manufactured from chrome steel for both rings and balls, the bearing offers high fatigue life and durability. The P6 precision tolerance guarantees smooth and quiet operation, minimizing vibration in sensitive applications. The optimized shoulder diameters on both rings facilitate secure mounting and accurate axial positioning.
7226 BCBM Bearing Typical Application Areas
This angular contact ball bearing is specified for high-performance applications across various industries, including:
- Machine Tool Spindles: For high-speed milling, grinding, and turning centers.
- Precision Gearboxes: Where high rigidity and accurate shaft positioning are required.
- Pumps and Compressors: For handling significant axial thrust loads.
- Industrial Robotics: In arm joints and rotary actuators demanding high moment stiffness.
- Medical and Laboratory Equipment: For centrifuges and other high-speed, precision instruments.
