619/500 MA
618 & 619 Series Thin Section Bearings
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Part No.
Part No.
619/500 MA
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
81.5 kg
Tolerance class
P6
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
500 mm
Bore diameter tolerance
-0.035mm to 0
Outside diameter
670 mm
Outside diameter tolerance
-0.045mm to 0
Width
78 mm
Width tolerance
-0.45mm to 0
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
103862 lbf
Radial static load rating
194460 lbf
Limiting speed
1.4 X 1000 rpm
Lubrication
None
Radial internal clearance
CN
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Stainless Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
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In Stock
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619/500 MA Bearing Product Overview & Core Advantages
The 619/500 MA is a single row deep groove ball bearing designed for exceptional performance in demanding applications. Engineered to primarily handle radial loads, this metric bearing features an open design for versatile lubrication options. Its P6 tolerance class ensures high running accuracy, making it suitable for precision arrangements. The bearing is constructed from high-grade chrome steel for durability and long service life, offering a robust solution for industrial machinery requiring reliable radial support.
619/500 MA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Interpretation | Technical Significance |
|---|---|---|
| 619 | Series Designation | Indicates a deep groove ball bearing series with a low cross-section. |
| 500 | Bore Diameter | Specifies a 500 mm bore diameter. |
| M | Cage Design | Denotes a machined brass cage, offering high strength and suitability for high-speed applications. |
| A | Internal Design | Signifies optimized internal geometry for enhanced performance. |
619/500 MA Bearing Structural Features & Performance Benefits
- High Load Capacity: With a radial dynamic load rating of 103,862 lbf and a radial static load rating of 194,460 lbf, this bearing is built to withstand significant radial forces in heavy-duty operations.
- Precision Performance: Manufactured to P6 tolerance class, it guarantees high running accuracy and minimal vibration, which is critical for precision machinery.
- High-Speed Capability: The combination of the machined brass cage (MA designation) and standard CN radial internal clearance contributes to stable operation at the specified limiting speed of 1,400 rpm.
- Robust Construction: The rings and balls made from chrome steel (GCr15) provide excellent wear resistance and fatigue life. The stainless steel cage adds corrosion resistance and cage integrity.
- Versatile Application Range: The open seal type allows for various lubrication methods to be employed, adapting to different operational environments within the temperature range of -30°C to 120°C.
619/500 MA Bearing Typical Application Areas
This 619/500 MA bearing is ideally suited for large-scale industrial equipment where high radial load capacity and precision are paramount. Common applications include:
- Large Electric Motors and Generators
- Industrial Gearboxes and heavy-duty transmission systems
- Vibrating Screens and other mining machinery
- Crane Sheaves and material handling equipment
- Wind Turbine Main Shafts (as a non-located bearing)
