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539A-533DC TDO (Two-Row Double-Outer Race) (Imperial)

539A-533DC TDO (Two-Row Double-Outer Race) (Imperial)

The 539A-533DC is a double-row tapered roller bearing with a 2.125″ bore and 4.375″ outer diameter, built from sturdy chrome steel for heavy-duty use. It handles combined loads up to 79800 lbf and operates smoothly in temperatures from -30°C to 110°C.

Its open design allows easy lubrication, while the steel cage ensures durability under high stress. The bearing’s double-row construction provides extra stability for demanding applications.

This model is part of the 535 series, offering standard radial clearance with options for C3/C4/C5 fits. Ideal for industrial gearboxes or heavy machinery where both radial and thrust loads are present.

Weighing 7.24 lb, it’s a robust choice for imperial-sized systems. Compliant with RoHS and REACH standards for safe operation.

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Product Parameters

  • Part Number 539A-533DC
  • Brand TFL
  • Size 2.125" x 4.375" x 1.455"
  • Bore Dia 2.125"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.375"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 2.5"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 1.455"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 3.125"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.06"
  • Cone Backface Backing Diameter 2.83"
  • Cup Frontface Backing Diameter 3.96"
  • Cage Cone Backface Clearance 0.08"
  • Dynamic Radial Load 79800 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 539A
  • Cup Part Number 533DC
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 535
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 11900 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 6040 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 20700 lbf
  • Lubrication Required
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant
  • Weight 7.24 lb

Features

How Is 539A-533DC Bearing Engineered for Reliability?

539A-533DC Bearing features a double-row tapered roller design, providing strong resistance to combined loads.
Its chrome steel construction ensures durability, with a dynamic radial load capacity of 79,800 lbf.

The steel cage maintains roller alignment, reducing friction and extending service life.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

Optimised lubrication channels ensure smooth operation, even under heavy loads.
The standard radial clearance options offer flexibility for different applications.

Application

Industrial Uses of 539A-533DC Bearing
The 539A-533DC Bearing is commonly used in heavy machinery, such as construction equipment and mining vehicles, where its double-row design handles combined radial and thrust loads effectively. Its chrome steel construction ensures durability in demanding environments.

Where Is 539A-533DC Bearing Used?
You’ll often find the 539A-533DC Bearing in agricultural machinery, like tractors and harvesters, where its tapered roller design provides reliable performance under varying loads. The open seal type allows for easy lubrication, extending its service life.

Built for Heavy-Duty Use: 539A-533DC Bearing
This bearing excels in industrial gearboxes, where its high dynamic radial load capacity ensures smooth operation. The steel cage adds strength, making it suitable for applications with frequent load changes.

Automotive vs Aerospace: Applications of 539A-533DC Bearing
In automotive systems, the 539A-533DC Bearing supports axles and wheel hubs, thanks to its robust design. While not typically used in aerospace, its precision makes it a fit for ground support equipment.

Essential Roles of 539A-533DC Bearing
The 539A-533DC Bearing is vital in conveyor systems, where its tapered rollers manage heavy loads efficiently. Its inch sizing makes it compatible with many North American industrial standards.

Q&A

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