W 619/6 R-2Z
W Series Stainless Steel Flanged Miniature Bearings
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Part No.
Part No.
W 619/6 R-2Z
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.0043 kg
Tolerance class
P0
Seal type
Shielded
For load direction
Radial
Main Dimensions
Bore diameter
6 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
15 mm
Outside diameter tolerance
-0.008mm to 0
Width
5 mm
Width tolerance
-0.12mm to 0
Outer Ring Dimensions
Flange outer diameter
17 mm
Flange thickness
1.2 mm
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
171 lbf
Radial static load rating
60 lbf
Limiting speed
50 X 1000 rpm
Lubrication
Grease
Radial internal clearance
CN
Materials
Ring material
Stainless Steel
Ball material
Stainless Steel
Cage material
Stainless Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
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In Stock
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W 619/6 R-2Z Bearing Product Overview & Core Advantages
The W 619/6 R-2Z is a single row deep groove ball bearing designed for exceptional performance in compact spaces. Engineered with stainless steel rings, balls, and cage, it offers superior corrosion resistance. Its core advantage lies in its ability to handle primarily radial loads efficiently, while the shielded (2Z) construction seals in factory-applied grease lubrication, providing long-term, maintenance-free operation. This makes it an ideal precision bearing for applications demanding high reliability and cleanliness.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| W 619/6 | Indicates the bearing series and size. A single row deep groove ball bearing with a 6 mm bore. |
| R | Signifies the presence of a flange on the outer ring, facilitating secure and simplified mounting. |
| 2Z | Denotes non-contact shields on both sides. This provides effective protection against contaminant ingress while minimizing friction, contributing to the high limiting speed. |
W 619/6 R-2Z Bearing Structural Features & Performance Benefits
- Compact & Robust Design: With a bore diameter of 6 mm and a compact cross-section, this bearing is perfect for space-constrained applications. The flange outer diameter of 17 mm ensures easy and secure installation.
- Corrosion Resistance: Manufactured entirely from stainless steel, the bearing is highly resistant to rust and corrosion, making it suitable for harsh environments and applications requiring washdown.
- Maintenance-Free Operation: The 2Z shields retain the factory-applied grease, preventing lubricant leakage and contaminant entry. This sealed-for-life design eliminates the need for relubrication.
- High-Speed Capability: The low-friction design, combined with shields and optimized grease, allows for a high limiting speed of 50,000 rpm, suitable for high-speed applications.
- Precision Performance: Built to P0 tolerance class and standard radial internal clearance (CN), it ensures smooth and precise rotation, which is critical for precision instruments.
W 619/6 R-2Z Bearing Typical Application Areas
This versatile bearing is ideally suited for a wide range of applications, including:
- Small Electric Motors and spindles
- Precision Instruments and optical devices
- Medical and dental equipment
- Food processing machinery (due to stainless steel construction)
- Office automation equipment (e.g., printers, scanners)
- Robotics and small gearboxes
