305428 D
Double 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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305428 D Bearing Product Overview & Core Advantages
The 305428 D is a metric double row angular contact ball bearing engineered for applications requiring high rigidity and precision performance. This bearing is designed to simultaneously handle combined loads (radial and bidirectional axial loads) with exceptional stability. Featuring an open design with P6 (ABEC-3) tolerance class, it delivers superior running accuracy for demanding industrial environments. Its optimized internal geometry and premium material construction ensure reliable operation in high-performance systems.
305428 D Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning | Performance Impact |
|---|---|---|
| D | Double Row Angular Contact Design | Enables handling of bidirectional axial loads and provides enhanced rigidity |
| Open | No seals or shields | Allows for custom lubrication schemes and optimal heat dissipation |
| P6 | Tolerance class equivalent to ABEC-3 | Ensures precise running accuracy and consistent performance |
305428 D Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The double row angular contact construction provides superior stiffness, making this bearing ideal for applications subject to significant combined loads. With a radial dynamic load rating of 54,450 lbf and static load rating of 85,500 lbf, it delivers robust performance under demanding conditions.
Precision Engineering: Manufactured to P6 tolerance class with optimized internal geometry, this bearing ensures minimal runout and vibration. The stainless steel cage maintains precise ball positioning for consistent operation.
Thermal Performance: The open design facilitates efficient lubrication flow and heat dissipation, supporting operation within a temperature range of -30°C to 110°C. The 174 mm distance from side face to load point provides optimal load distribution.
Material Excellence: Constructed from chrome steel rings and balls with stainless steel cage, this bearing offers excellent wear resistance and durability in industrial environments.
305428 D Bearing Typical Application Areas
- Machine Tool Spindles: Precision machining centers requiring high rigidity and accuracy
- Industrial Gearboxes: Power transmission systems handling combined loads
- Heavy-Duty Pumps: Applications demanding reliable performance under radial and axial loads
- Material Handling Equipment: Conveyor systems and positioning equipment
- Industrial Machinery: General machinery requiring precision ball bearings with high load capacity
