W 6204-2Z/R799
W Series Stainless Steel Bearings
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Basic Information
Main Dimensions
Performance
Materials
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W 6204-2Z/R799 Bearing Product Overview & Core Advantages
The W 6204-2Z/R799 is a single row deep groove ball bearing designed for high reliability and long service life in demanding applications. Constructed entirely from stainless steel, it offers excellent corrosion resistance. A key feature is its integrated shields (2Z) on both sides, which effectively retain the factory-applied R799 high-performance grease and protect against contaminants, making it a maintenance-free solution. This bearing is engineered to handle primarily radial loads and is characterized by its low friction and smooth operation, supported by a precision ABEC 1 tolerance class for consistent performance.
Model Code Breakdown
| Model Segment | Technical Meaning | Benefit |
|---|---|---|
| W | Stainless Steel Bearing | Provides excellent corrosion resistance for use in harsh environments. |
| 6204 | Standard Bearing Series & Size Code | Defines the bearing dimensions: 20mm bore, 47mm OD, 14mm width. |
| -2Z | Shielded on Both Sides | Protects the internal components from contamination and retains lubrication. |
| /R799 | High-Performance Grease | Ensures optimal lubrication for the bearing's entire temperature range (-30° to 120°C), contributing to long life and maintenance-free operation. |
W 6204-2Z/R799 Bearing Structural Features & Performance Benefits
The performance of the W 6204-2Z/R799 is a direct result of its robust construction and design choices:
- Full Stainless Steel Construction: Both rings and balls are made from stainless steel, providing superior resistance to rust and corrosion, which is critical for applications exposed to moisture or chemicals.
- Deep Groove Raceway & Single Row Design: This geometry is optimized for handling radial loads efficiently, ensuring smooth rotation and low operational torque.
- Integrated Shields & Pre-Lubrication: The combination of non-contact shields (2Z) and R799 grease creates a sealed, maintenance-free system. This protects the bearing from particulate contamination and prevents lubricant washout, significantly extending service life.
- Chrome Steel Cage: The cage, manufactured from chrome steel, provides high strength and durability, ensuring stable ball guidance and reliable performance at the bearing's limiting speed.
- Standardized Dimensions & Precision: Manufactured to ABEC 1 (ISO P0) tolerance and standard bearing dimensions, this bearing ensures easy replacement and reliable interoperability in assemblies.
W 6204-2Z/R799 Bearing Typical Application Areas
The W 6204-2Z/R799 is ideally suited for a wide range of applications where corrosion resistance, reliability, and minimal maintenance are paramount. Key sectors include:
- Food and Beverage Processing Equipment: Conveyors, mixers, and bottling machinery.
- Medical and Laboratory Devices: Diagnostic equipment, small pumps, and dental handpieces requiring clean, corrosion-resistant components.
- Chemical Handling Pumps and Valves: Where exposure to aggressive chemicals is common.
- Marine and Outdoor Applications: Electric motors, actuators, and instrumentation exposed to humid or saline environments.
- General Machinery: Electric motors, gearboxes, and fans that benefit from a sealed, pre-lubricated bearing solution.
