W 619/5 R
W Series Stainless Steel Flanged Miniature Bearings
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Part No.
Part No.
W 619/5 R
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.0024 kg
Tolerance class
P0
Seal type
Open
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
70 X 1000 rpm
Lubrication
None
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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W 619/5 R Bearing Product Overview & Core Advantages
The W 619/5 R is a metric single row deep groove ball bearing designed for exceptional performance in compact applications. This open-type bearing is engineered to primarily handle radial loads with high efficiency. Constructed entirely from stainless steel, it offers superior corrosion resistance, making it ideal for applications requiring cleanliness and durability. Its miniature size (5mm bore) and lightweight design (0.0024 kg) provide a reliable, high-precision solution for space-constrained assemblies.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| W | Stainless Steel Deep Groove Ball Bearing series |
| 619/5 | Bearing series and size designation (5 mm bore) |
| R | Flanged outer ring design |
W 619/5 R Bearing Structural Features & Performance Benefits
- Flanged Design: The integrated flange (15 mm outer diameter) on the outer ring simplifies bearing mounting and positioning, enhancing assembly accuracy and stability in housings.
- All-Stainless-Steel Construction: The bearing rings, balls, and cage are manufactured from stainless steel, providing excellent corrosion resistance and suitability for harsh environments or washdown applications.
- High-Speed Capability: With a limiting speed of 70,000 rpm, this bearing is engineered for high-rotation applications, supported by its precision deep groove raceway and stainless steel cage.
- Precision & Rigidity: Manufactured to P0 tolerance class and standard CN radial internal clearance, it ensures consistent running accuracy and smooth operation under radial dynamic load ratings of 171 lbf.
- Maintenance-Free Operation: The open seal type and no lubrication specification make it a clean, maintenance-free component, ideal for applications where lubricant contamination is a concern.
W 619/5 R Bearing Typical Application Areas
This bearing is ideally suited for:
- Precision Instruments: Optical encoders, medical devices, and small measuring instruments.
- Small Electric Motors: Miniature and micro motors requiring high-speed operation.
- Office Automation Equipment: Printers, scanners, and copiers.
- Radio Control Models: Drones, RC cars, and aircraft.
- Any compact machinery requiring a corrosion-resistant, high-speed, and lightweight ball bearing solution.
