618/710 MA
618 & 619 Series Thin Section Bearings
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Part No.
Part No.
618/710 MA
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
93.5 kg
Tolerance class
P6
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
710 mm
Bore diameter tolerance
-0.05mm to 0
Outside diameter
870 mm
Outside diameter tolerance
-0.06mm to 0
Width
74 mm
Width tolerance
-0.75mm to 0
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
106784 lbf
Radial static load rating
247290 lbf
Limiting speed
1 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:
$ 5619.16
/ each
In Stock
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618/710 MA Bearing Product Overview & Core Advantages
The 618/710 MA is a single row deep groove ball bearing engineered for exceptional performance in demanding industrial applications. This metric series bearing features an open design and is manufactured to P6 tolerance class, ensuring high running accuracy and reliability. Its primary advantage lies in its ability to accommodate high radial loads while maintaining stable operation. The robust construction, utilizing chrome steel rings and balls with a stainless steel cage, guarantees durability and a long service life, making it a superior choice for precision machinery.
618/710 MA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning |
|---|---|
| 618 | Series designation for extra light series, single row deep groove ball bearings. |
| 710 | Bore diameter code, indicating a 710 mm bore diameter. |
| MA | Cage type designation, indicating a machined brass cage (commonly used for high-speed and high-load applications). |
618/710 MA Bearing Structural Features & Performance Benefits
- High Load Capacity: The single row deep groove raceway and optimized internal geometry enable it to support a high radial dynamic load rating of 106,784 lbf and a radial static load rating of 247,290 lbf, making it suitable for heavy-duty applications.
- Precision & High-Speed Capability: Manufactured to a P6 tolerance class with a standard (CN) radial internal clearance, this bearing ensures precise shaft guidance and rotational accuracy. The machined brass (MA) cage provides excellent stability and is ideal for applications with a limiting speed of 1,000 rpm.
- Robust Construction & Material Integrity: The rings and balls are made from high-grade chrome steel for superior wear resistance and fatigue life. The stainless steel cage offers high strength and corrosion resistance, contributing to the bearing's overall reliability.
- Versatile Operating Conditions: With an open seal type and no pre-lubrication, it allows for customized lubrication schemes. It operates effectively within a temperature range of -30°C to 120°C.
618/710 MA Bearing Typical Application Areas
This 618/710 MA bearing is ideally suited for large-scale industrial machinery requiring high precision and robust load support. Key applications include:
- Large Electric Motors and Generators
- Industrial Gearboxes and heavy-duty power transmission systems
- Vibrating Screens and other mining equipment
- Crane and Hoist Sheaves
- Large Pumps and Compressors
