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2581-2523D TDO (Two-Row Double-Outer Race) (Imperial)

2581-2523D TDO (Two-Row Double-Outer Race) (Imperial)

The 2581-2523D is a double-row tapered roller bearing with a 1.3125″ bore and 2.75″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 32800 lbf and is designed for long-lasting performance.

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

This model fits standard 2500 series applications and comes with standard radial clearance. Ideal for heavy-duty machinery or automotive uses where combined loads are common.

Weighing 2.43 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 2581-2523D
  • Brand TFL
  • Size 1.3125" x 2.75" x 0.9983"
  • Bore Dia 1.3125"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 2.75"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 2.25"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 0.9983"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 2.625"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 1.56"
  • Cup Frontface Backing Diameter 2.56"
  • Cage Cone Backface Clearance 0.02"
  • Dynamic Radial Load 32800 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 2581
  • Cup Part Number 2523D
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 2500
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 4880 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 2280 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 8500 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 2.43 lb

Features

How Does 2581-2523D Bearing Handle Combined Loads?

2581-2523D Bearing features a double-row tapered roller design, ideal for handling both radial and thrust loads.
Its chrome steel construction ensures durability, with a dynamic radial load capacity of 32,800 lbf.

The steel cage maintains roller alignment, reducing friction and extending service life.
With standard radial clearance options, it offers flexibility for various applications.

2581-2523D Bearing operates efficiently within a temperature range of -30° to 110°C.
Its open design allows for easy lubrication, ensuring smooth performance over time.

The precise tolerances of 2581-2523D Bearing contribute to its reliable operation.
Weighing just 2.43 lb, it balances strength and portability for industrial use.

Application

Industrial Uses of 2581-2523D Bearing
2581-2523D 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 efficiently. The chrome steel construction ensures durability in demanding environments.

Where Is 2581-2523D Bearing Used?
You’ll often find 2581-2523D Bearing in automotive applications like truck wheel hubs, where its tapered roller design provides smooth performance under heavy loads. The inch sizing makes it a popular choice for North American vehicles.

Built for Heavy-Duty Use: 2581-2523D Bearing
2581-2523D Bearing excels in industrial gearboxes, offering reliable performance even under continuous operation. Its open design allows for easy lubrication, extending service life in high-stress conditions.

Automotive vs Aerospace: Applications of 2581-2523D Bearing
In automotive systems, 2581-2523D Bearing supports heavy axles and transmissions, while in aerospace, it’s used in landing gear mechanisms. The standard radial clearance ensures versatility across different load requirements.

Perfect Fit for Automation: 2581-2523D Bearing
2581-2523D Bearing works well in automated conveyor systems, where its double-row construction maintains alignment under varying loads. The steel cage adds stability, reducing wear over time.

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