W 619/1.5
W Series Stainless Steel Miniature Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
W 619/1.5
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.0002 kg
Tolerance class
P0
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
1.5 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
5 mm
Outside diameter tolerance
-0.008mm to 0
Width
2 mm
Width tolerance
-0.04mm to 0
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
30 lbf
Radial static load rating
8 lbf
Limiting speed
120 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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In Stock
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W 619/1.5 Bearing Product Overview & Core Advantages
The W 619/1.5 is a metric miniature deep groove ball bearing engineered for applications demanding compact size and reliable performance. As a single row, open bearing, it is designed to primarily accommodate radial loads. Manufactured entirely from stainless steel, it offers excellent corrosion resistance, making it suitable for various industrial environments. Its key advantages include a very small footprint with a 1.5 mm bore, a high limiting speed of 120,000 rpm, and compliance with RoHS and REACH standards for global use.
W 619/1.5 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Interpretation |
|---|---|
| W 619/1.5 | Standard designation for a miniature deep groove ball bearing series with a 1.5 mm bore diameter. |
| Open | No seals or shields, allowing for higher speeds and easy re-lubrication, but requiring a clean operating environment. |
| P0 | Standard tolerance class (Normal), suitable for most general applications. |
| CN | Standard (Normal) radial internal clearance. |
| None | Supplied without lubrication, giving the user flexibility to apply a specialized lubricant for their specific operating conditions. |
W 619/1.5 Bearing Structural Features & Performance Benefits
- Compact and Lightweight Design: With dimensions of 1.5x5x2 mm (Bore x OD x Width) and a weight of just 0.0002 kg, this bearing is ideal for space-constrained and weight-sensitive applications.
- High-Speed Capability: The open design and precision construction contribute to a very high limiting speed of 120,000 rpm, making it an excellent choice for high-speed miniature spindles and motors.
- Corrosion Resistance: All components, including rings, balls, and cage, are made from stainless steel, ensuring long-term performance in humid or corrosive environments.
- Precision Performance: Manufactured to P0 tolerance class with CN radial clearance, providing consistent and reliable operation for precision instruments.
W 619/1.5 Bearing Typical Application Areas
This miniature bearing is commonly specified in:
- Precision Instruments: Optical encoders, gauges, and medical devices.
- Small Motors and Spindles: High-speed DC motors, dental handpieces, and miniature grinding spindles.
- Office Automation Equipment: Printers, scanners, and small fans.
- Robotics and Automation: Small joints, guides, and actuators.
