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39580-39520DC TDO (Two-Row Double-Outer Race) (Imperial)

39580-39520DC TDO (Two-Row Double-Outer Race) (Imperial)

The 39580-39520DC is a double-row tapered roller bearing with a 2.25″ bore and 4.4375″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 65300 lbf and is designed for long-lasting performance in demanding conditions.

Its open design allows for easy lubrication, while the steel cage ensures smooth operation. The bearing works well in temperatures from -30°C to 110°C, making it versatile for various environments.

This model features a standard radial clearance and is ABEC-1 rated for reliable precision. Ideal for heavy-duty applications like industrial gearboxes or machinery where combined loads are common.

Weighing 6.45 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for most industrial settings.

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Product Parameters

  • Part Number 39580-39520DC
  • Brand TFL
  • Size 2.25" x 4.4375" x 1.1875"
  • Bore Dia 2.25"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.4375"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 2.1875"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 1.1875"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 2.6875"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 2.91"
  • Cup Frontface Backing Diameter 4.25"
  • Cage Cone Backface Clearance 0.05"
  • Dynamic Radial Load 65300 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 39580
  • Cup Part Number 39520DC
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 39500
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 9730 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 5650 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 16900 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 6.45 lb

Features

How Is 39580-39520DC Bearing Engineered for Reliability?

39580-39520DC Bearing features a double-row tapered roller design, providing strong resistance to combined radial and thrust loads.
Its chrome steel construction ensures durability, with a dynamic radial load capacity of 65,300 lbf.

The steel cage maintains roller alignment, reducing friction and extending service life.
With a standard radial clearance, it offers reliable performance in various industrial applications.

39580-39520DC Bearing operates efficiently within a temperature range of -30° to 110°C.
Its precise tolerances and robust design make it suitable for heavy-duty machinery.

Application

Industrial Uses of 39580-39520DC Bearing
The 39580-39520DC Bearing is commonly used in heavy machinery, such as construction equipment and mining tools, where its double-row design handles combined radial and thrust loads effectively.
Its chrome steel construction ensures durability in demanding environments, making it a reliable choice for industrial applications.

What Makes 39580-39520DC Bearing a Preferred Choice?
In automotive applications, 39580-39520DC Bearing is often found in wheel hubs and differential systems, providing smooth performance under heavy loads.
The inch sizing makes it compatible with many North American vehicle models, offering versatility across different makes and models.

Built for Heavy-Duty Use: 39580-39520DC Bearing
For agricultural machinery, 39580-39520DC Bearing supports components like tractor axles and harvesters, where its robust design withstands constant use.
The open seal type allows for easy lubrication, ensuring long service life even in dusty conditions.

Automotive vs Aerospace: Applications of 39580-39520DC Bearing
In automotive settings, 39580-39520DC Bearing excels in transmissions and drivetrains, handling high torque efficiently.
While in aerospace, its precision and load capacity make it suitable for landing gear and other critical components.

Where Is 39580-39520DC Bearing Used?
You’ll often find 39580-39520DC Bearing in industrial fans and pumps, where its tapered roller design manages both radial and axial forces.
The standard radial clearance ensures consistent performance, even in high-speed operations.

Q&A

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