W 624-2RS1/VT378
W Series Stainless Steel Miniature Bearings
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W 624-2RS1/VT378 Bearing Product Overview & Core Advantages
The W 624-2RS1/VT378 is a single row deep groove ball bearing designed for applications demanding high reliability and compact design. Constructed entirely from stainless steel, it offers excellent corrosion resistance. Its key advantage lies in its sealed design (2RS1), which effectively protects against contaminant ingress, making it suitable for environments where maintenance-free operation is critical. This bearing is engineered to handle primarily radial loads and is capable of high-speed operation up to 32,000 rpm, making it an ideal choice for precision instruments and small machinery.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| W | Stainless Steel Bearing |
| 624 | Basic Bearing Series (6: Extra Small, 24: Bore Dia. 4mm) |
| 2RS1 | Contact Rubber Seals on Both Sides |
| VT378 | Lubrication: Filled with VT378 High-Performance Grease |
W 624-2RS1/VT378 Bearing Structural Features & Performance Benefits
The performance of the W 624-2RS1/VT378 is defined by its robust construction. The single row deep groove raceway is optimized for smooth operation under radial loads. The use of stainless steel for all critical components (rings, balls) ensures superior corrosion resistance and operational longevity in harsh environments. The contact rubber seals (2RS1) provide an effective barrier against dust and moisture, significantly extending service life. Pre-lubrication with VT378 grease ensures immediate, maintenance-free operation right from installation across its specified temperature range of -30°C to 120°C. The combination of a chrome steel cage and precision ABEC 1 (ISO P0) tolerance contributes to stable high-speed performance and low noise levels.
W 624-2RS1/VT378 Bearing Typical Application Areas
This miniature, sealed, and corrosion-resistant bearing is ideally suited for:
- Precision Instruments and measurement devices
- Small Electric Motors and gearboxes
- Medical and Dental Handpieces
- Office Automation Equipment (e.g., printers, scanners)
- Food Processing and Packaging Machinery
- Robotics and Small Actuators
