305272 DA
Double Row Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Basic Information
Main Dimensions
Inner Ring Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
305272 DA Bearing Product Overview & Core Advantages
The 305272 DA is a metric double row angular contact ball bearing engineered for applications requiring exceptional precision and load handling capabilities. This precision bearing is designed to accommodate combined loads—simultaneously supporting significant radial loads and bidirectional axial loads. Its double-row design provides high rigidity, making it ideal for high-precision machinery where shaft stability is critical. Manufactured with chrome steel rings and balls, and featuring an open construction, it delivers reliable performance in demanding operational environments.
305272 DA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning |
|---|---|
| DA | Indicates a double row angular contact ball bearing design, optimized for combined radial and axial loads. |
| Open | No integral seals or shields, allowing for higher speed capability and custom lubrication solutions. |
305272 DA Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The double row design provides superior radial and axial stiffness, enabling stable operation under combined loads. With a dynamic load rating of 70,200 lbf and static load rating of 117,000 lbf, it handles demanding applications with ease.
- Precision Engineering: Manufactured to P6 (ABEC-3) tolerance class, this bearing ensures precise running accuracy and minimal vibration for high-performance machinery.
- Optimized Material Selection: Constructed with chrome steel rings and balls for durability, and a stainless steel cage for corrosion resistance and reliable high-speed operation.
- Versatile Performance: The open design and pre-lubrication allow for operation within a temperature range of -30°C to 110°C, suitable for various industrial environments.
305272 DA Bearing Typical Application Areas
This bearing is ideally suited for heavy-duty industrial applications requiring high precision and rigidity, including:
- Machine Tool Spindles
- Industrial Gearboxes
- Large Pumps and Compressors
- Material Handling Equipment
- Precision Industrial Machinery
