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Single Row Deep Groove Ball Bearings 619/670 MA

Single Row Deep Groove Ball Bearings 619/670 MA

The 619/670 MA is a single-row deep groove ball bearing with a large 670mm bore and 900mm outer diameter, crafted from sturdy chrome steel. It supports heavy radial loads up to 151,971 lbf and operates at speeds up to 1000 RPM.

Its open design simplifies maintenance, while the stainless steel cage enhances durability. The bearing performs reliably in temperatures ranging from -30°C to 120°C.

This model is interchangeable with SKF bearings, offering a practical replacement option. Suitable for heavy-duty applications like industrial machinery or large equipment where radial load capacity is key.

Weighing 192kg, it’s built for robust performance. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 619/670 MA
  • Brand TFL
  • Interchangeable SKF
  • System of Measurement Metric
  • For Load Direction Radial
  • Construction Single Row
  • Bearing Type Ball
  • Seal Type Open
  • Tolerance Class P6
  • Radial Clearance Trade No CN
  • Bore Dia 670 mm
  • Bore Dia Tolerance -0.05mm to 0
  • Outer Dia 900 mm
  • Outer Dia Tolerance -0.06mm to 0
  • Width 103 mm
  • Width Tolerance -0.75mm to 0
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Stainless Steel
  • REACH Compliant
  • Temperature Range -30° to 120 °C
  • Dynamic Radial Load 151971 lbf
  • Static Radial Load 337213 lbf
  • Max Speed 1000 rpm
  • Weight 192 kg
Single Row Deep Groove Ball Bearings 619/670 MA dimension drawing
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Features

How Does 619/670 MA Bearing Handle Radial Loads?

619/670 MA Bearing is built with chrome steel rings and balls, offering strong resistance to heavy radial loads.
Its dynamic radial load capacity reaches 151,971 lbf, ensuring reliable performance in demanding applications.
The stainless steel cage maintains ball alignment, reducing wear and extending service life.
With a maximum speed of 1,000 rpm, it balances durability and efficiency for industrial use.

Application

Industrial Uses of 619/670 MA Bearing
This bearing is commonly found in large industrial machinery, such as heavy-duty gearboxes and large conveyor systems, where its high radial load capacity is essential. The open design allows for easy lubrication, making it suitable for continuous operation in demanding environments.

In wind turbine applications, 619/670 MA Bearing handles the radial loads generated by rotor blades, ensuring smooth rotation even under varying wind conditions. Its chrome steel construction provides durability in outdoor settings.

For mining equipment, 619/670 MA Bearing supports crushers and screens, where its robust design withstands harsh conditions. The stainless steel cage adds extra resistance to wear, extending the bearing’s service life.

Automotive vs Aerospace: Applications of 619/670 MA Bearing
In automotive manufacturing, this bearing is used in large presses and assembly line equipment, where precision and reliability are key. Its metric sizing ensures compatibility with European machinery standards.

In aerospace, 619/670 MA Bearing can be found in ground support equipment, such as aircraft tugs and loading systems. The high static radial load capacity makes it ideal for handling heavy loads safely.

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