W 619/5 R-2Z
W Series Stainless Steel Flanged Miniature Bearings
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Part No.
Part No.
W 619/5 R-2Z
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.0026 kg
Tolerance class
P0
Seal type
Shielded
For load direction
Radial
Main Dimensions
Bore diameter
5 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
13 mm
Outside diameter tolerance
-0.008mm to 0
Width
4 mm
Width tolerance
-0.12mm to 0
Outer Ring Dimensions
Flange outer diameter
15 mm
Flange thickness
1 mm
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
171 lbf
Radial static load rating
75 lbf
Limiting speed
56 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
No drawings available at the moment, will be launched soon
In Stock
Price available upon request.
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W 619/5 R-2Z Bearing Product Overview & Core Advantages
The W 619/5 R-2Z is a miniature deep groove ball bearing designed for compact, high-precision applications. Constructed entirely from stainless steel, it offers excellent corrosion resistance. Its key advantages include the ability to handle radial loads efficiently, complemented by shielded (2Z) construction that retains lubrication and protects against contaminant ingress. This makes it a low-maintenance, long-lasting solution for applications demanding reliability in constrained spaces.
Model Code Breakdown
| Code Segment | Meaning | Technical Significance |
|---|---|---|
| W 619/5 | Bearing Series & Size | Indicates a miniature deep groove ball bearing series with a 5 mm bore diameter. |
| R | Flanged Outer Ring | Features an outer ring with an integral flange, simplifying mounting and axial location. |
| 2Z | Shielded (Both Sides) | Equipped with non-contact shields on both sides, offering effective protection against contaminants while allowing for high-speed operation. |
W 619/5 R-2Z Bearing Structural Features & Performance Benefits
- Compact & Robust Design: The single row deep groove geometry and stainless steel construction provide a robust yet lightweight solution for miniature applications.
- Simplified Mounting: The flanged outer ring allows for easy axial positioning and secure mounting within a housing, reducing assembly complexity.
- Enhanced Contamination Protection: The 2Z shields protect the bearing's internals from dust and other particles, extending service life and maintaining performance.
- Ready-to-Use & Corrosion Resistant: Pre-lubricated with grease and made entirely from stainless steel, the bearing is maintenance-free and suitable for use in humid or corrosive environments.
W 619/5 R-2Z Bearing Typical Application Areas
This bearing is ideally suited for applications requiring small bearings with high reliability, including:
- Precision Instruments and optical devices
- Small Electric Motors (e.g., in drones, RC models)
- Medical and Dental Handpieces
- Office Automation Equipment
- Low-Torque, High-Speed Spindles
