618/800 MA
618 & 619 Series Thin Section Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
618/800 MA
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
130 kg
Tolerance class
P6
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
800 mm
Bore diameter tolerance
-0.05mm to 0
Outside diameter
980 mm
Outside diameter tolerance
-0.06mm to 0
Width
82 mm
Width tolerance
-0.75mm to 0
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
125668 lbf
Radial static load rating
307988 lbf
Limiting speed
0.85 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
No drawings available at the moment, will be launched soon
Price:
$ 5841.29
/ each
In Stock
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618/800 MA Bearing Product Overview & Core Advantages
The 618/800 MA is a single row deep groove ball bearing engineered for demanding industrial applications requiring exceptional radial load capacity and precision. Characterized by its large bore diameter of 800 mm and compact cross-section, this bearing is designed for high reliability and long service life. Its open design allows for versatile lubrication options, while the P6 tolerance class ensures superior running accuracy, making it an ideal choice for heavy-duty machinery and precision equipment where stability is paramount.
618/800 MA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| M | Machined brass cage, providing high strength and excellent guidance for high-speed applications. |
| A | Internal design optimized for enhanced load capacity and performance. |
618/800 MA Bearing Structural Features & Performance Benefits
- High Load Capacity: The robust single row deep groove construction and high-quality chrome steel components enable a substantial radial dynamic load rating of 125,668 lbf and a radial static load rating of 307,988 lbf, ensuring dependable performance under heavy loads.
- Precision & Stability: Manufactured to a P6 tolerance class with a standard CN radial internal clearance, this bearing delivers precise shaft guidance, reduced vibration, and smooth operation, which is critical for maintaining machine accuracy.
- High-Speed Capability: The use of a stainless steel machined cage (M suffix) ensures dimensional stability and reliable ball guidance, contributing to a stable limiting speed performance.
- Material Durability: Rings and balls made from chrome steel offer high hardness and wear resistance, while the cage material provides corrosion resistance, resulting in an extended operational lifespan.
- Versatile Application Range: With an operating temperature range from -30°C to 120°C and an open seal type, it is adaptable to various environmental and lubrication conditions.
618/800 MA Bearing Typical Application Areas
This bearing is specifically suited for large-scale, heavy-duty machinery and precision systems, including:
- Large Industrial Gearboxes and power transmission systems.
- Heavy-Duty Pumps and compressors.
- Mining and Construction Equipment such as crushers and vibrating screens.
- Paper Mill Machinery and other large processing equipment.
- Wind Turbine Main Shafts and other renewable energy applications.
