7309 BE-2RZP
Single Row Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Inner Ring Dimensions
Performance
Materials
Environment & Compliance
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7309 BE-2RZP Bearing Product Overview & Core Advantages
The 7309 BE-2RZP is a single row angular contact ball bearing designed for high-precision applications requiring exceptional rigidity and speed performance. Engineered to accommodate combined loads—simultaneously handling significant radial loads and unidirectional axial loads—this bearing features a sealed construction for reliable, long-term operation. Its P6 (ABEC-3) tolerance class ensures precise running accuracy, making it ideal for demanding industrial environments where high rigidity and operational reliability are critical.
Model Code Breakdown
| Suffix Code | Technical Meaning | Performance Benefit |
|---|---|---|
| BE | Increased internal clearance and optimized contact angle | Enhanced performance under combined loads and thermal expansion |
| 2RZ | Non-contact rubber seals on both sides | Effective contaminant exclusion with minimal friction for high-speed operation |
| P | Pre-lubricated with high-performance grease | Reduced maintenance requirements and extended service life |
7309 BE-2RZP Bearing Structural Features & Performance Benefits
Optimized Internal Geometry: The 40° contact angle provides superior axial load capacity while maintaining excellent radial load handling. Combined with precision-ground chrome steel components, this design ensures consistent performance under demanding operating conditions.
High-Speed Capability: The nylon cage and non-contact 2RZ seals minimize friction and heat generation, enabling operation at limiting speeds up to 6,700 rpm. The optimized internal clearance (BE designation) further enhances thermal stability during high-speed rotation.
Enhanced Rigidity & Load Capacity: With a radial dynamic load rating of 12,578 lbf and radial static load rating of 8,438 lbf, this bearing delivers robust performance in applications requiring high stiffness and durability. The precise shoulder dimensions ensure proper axial location and support.
Maintenance-Free Operation: Factory-applied lubrication and effective sealing provide long-term protection against contamination and lubricant loss, reducing maintenance needs across the bearing's operational temperature range of -30°C to 110°C.
7309 BE-2RZP Bearing Typical Application Areas
- Machine Tool Spindles: Precision machining centers requiring high rotational accuracy and rigidity
- Industrial Pumps & Compressors: Applications demanding reliable performance under combined radial and axial loads
- Electric Motors: High-speed motor applications where sealed construction extends service life
- Material Handling Equipment: Conveyor systems and positioning equipment requiring durable bearing solutions
- Precision Instrumentation: Medical and laboratory equipment where P6 tolerance ensures accurate operation
