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39581-39520DC TDO (Two-Row Double-Outer Race) (Imperial)

39581-39520DC TDO (Two-Row Double-Outer Race) (Imperial)

The 39581-39520DC is a double-row tapered roller bearing with a 2.25″ bore and 4.4375″ outer diameter, built from sturdy chrome steel for long-lasting performance.
It handles combined loads up to 65300 lbf radially and 5650 lbf thrust-wise, making it suitable for heavy-duty applications.
The open design allows for easy lubrication, while the steel cage ensures smooth operation even under high stress.

This bearing works well in temperatures from -30°C to 110°C, ideal for industrial machinery or vehicle axles.
Its double-row construction provides extra stability, distributing loads evenly across both rows of rollers.
The standard radial clearance offers reliable performance, with options for C3/C4/C5 clearances if needed.

Weighing 6.38 lb, it’s robust yet manageable for its size.
Compliant with RoHS and REACH standards, it’s a safe choice for various engineering applications.
The ABEC-1 rating ensures consistent quality for general industrial use.

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Product Parameters

  • Part Number 39581-39520DC
  • 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 3.19"
  • 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 39581
  • 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 6.38 lb

Features

How Does 39581-39520DC Bearing Handle Combined Loads?

39581-39520DC Bearing features a double-row tapered roller design, providing excellent resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 65,300 lbf, making it suitable for heavy-duty applications.
The chrome steel construction ensures durability and long service life, even in demanding conditions.
With a standard radial clearance, it offers reliable performance across various operating environments.

What Makes 39581-39520DC Bearing Suitable for Heavy-Duty Applications?

39581-39520DC Bearing is built with chrome steel rollers and rings, enhancing its load-bearing capacity.
The double-row design distributes loads evenly, reducing stress on individual components.
Its temperature range of -30° to 110°C allows for consistent performance in varying conditions.
The steel cage maintains roller alignment, ensuring smooth operation and extended lifespan.

Engineered for Reliability: 39581-39520DC Bearing

39581-39520DC Bearing’s tapered roller design minimises friction, improving efficiency under combined loads.
The chrome steel materials resist wear, maintaining performance over time.
With a dynamic radial rating of 16,900 lbf for two rows, it handles high loads with ease.
Its standard radial clearance ensures compatibility with various industrial applications.

Application

Industrial Uses of 39581-39520DC Bearing
The 39581-39520DC Bearing is commonly used in heavy machinery like construction equipment and mining vehicles, where its double-row design handles combined radial and thrust loads effectively. Its chrome steel construction ensures durability in tough working conditions.

Where Is 39581-39520DC Bearing Used?
You’ll often find the 39581-39520DC Bearing in agricultural machinery, such as tractors and harvesters, where its tapered roller design provides stability under heavy loads. The inch sizing makes it a good fit for North American equipment standards.

Built for Heavy-Duty Use: 39581-39520DC Bearing
In industrial gearboxes, the 39581-39520DC Bearing offers reliable performance due to its high dynamic radial load capacity. The open seal type allows for easy lubrication, extending its service life in demanding applications.

Automotive vs Aerospace: Applications of 39581-39520DC Bearing
In automotive drivetrains, the 39581-39520DC Bearing supports axles and differentials, while in aerospace, its precision helps in landing gear systems. The steel cage adds strength without compromising on weight.

Essential Roles of 39581-39520DC Bearing
For conveyor systems in warehouses, the 39581-39520DC Bearing ensures smooth operation with its standard radial clearance. Its ABEC-1 rating balances performance and cost for general industrial use.

Q&A

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