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25580-25520D TDO (Two-Row Double-Outer Race) (Imperial)

25580-25520D TDO (Two-Row Double-Outer Race) (Imperial)

The 25580-25520D is a two-row tapered roller bearing with a 1.75″ bore and 3.265″ outer diameter, built from sturdy chrome steel for long-lasting performance. It handles combined loads with a dynamic radial capacity of 35400 lbf and operates smoothly in temperatures from -30°C to 110°C.

Its double-row design provides extra stability under heavy loads, while the open seal allows for easy lubrication. The steel cage ensures durability, making it a reliable choice for demanding applications.

This bearing is ideal for industrial machinery or automotive systems where high radial and thrust loads are common. It comes in standard radial clearance but can also be ordered in C3, C4, or C5 options for specific needs.

Weighing 2.82 lb, it’s a robust yet manageable size for its capacity. Compliant with RoHS and REACH standards, it meets international safety and environmental requirements.

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Product Parameters

  • Part Number 25580-25520D
  • Brand TFL
  • Size 1.75" x 3.265" x 1"
  • Bore Dia 1.75"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.265"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 1.875"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 1"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 2.25"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 2.24"
  • Cup Frontface Backing Diameter 3.05"
  • Cage Cone Backface Clearance 0.01"
  • Dynamic Radial Load 35400 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 25580
  • Cup Part Number 25520D
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 25500
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 5270 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 3020 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 9180 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 2.82 lb

Features

Performance Features of 25580-25520D Bearing

25580-25520D Bearing is built with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 35,400 lbf, making it suitable for heavy-duty applications.

The double-row tapered roller design ensures stability and efficient load distribution.
This construction enhances durability while maintaining smooth operation in various conditions.

25580-25520D Bearing operates within a temperature range of -30° to 110°C, adapting to diverse environments.
Its standard radial clearance options provide flexibility for different operational needs.

With a weight of 2.82 lb, it balances strength and manageability.
The open seal type allows for easy lubrication, ensuring consistent performance over time.

Application

Industrial Uses of 25580-25520D Bearing
25580-25520D 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. The chrome steel construction ensures durability in tough working conditions.

In automotive applications, 25580-25520D Bearing supports wheel hubs and differential systems, providing reliable performance under varying loads. Its inch sizing makes it a good fit for American and British vehicle models.

For industrial conveyor systems, 25580-25520D Bearing’s open design allows for easy lubrication, extending service life in high-load environments. The standard radial clearance offers flexibility for different operational needs.

What Makes 25580-25520D Bearing a Preferred Choice?
25580-25520D Bearing is often chosen for agricultural machinery due to its ability to withstand dusty and high-vibration environments. The tapered roller design ensures smooth rotation even under heavy loads.

In material handling equipment, 25580-25520D Bearing’s robust construction reduces downtime, making it a cost-effective solution. The steel cage adds extra strength, ideal for continuous operation.

Built for Heavy-Duty Use: 25580-25520D Bearing
25580-25520D Bearing excels in forestry equipment, where its combined load capacity handles the demands of log splitters and harvesters. The ABEC-1 rating ensures consistent performance without unnecessary precision costs.

For railway applications, 25580-25520D Bearing’s temperature range suits both cold and moderate climates. Its standard lubrication requirement simplifies maintenance in remote locations.

Automotive vs Aerospace: Applications of 25580-25520D Bearing
In automotive systems, 25580-25520D Bearing is trusted for drivetrain components, balancing durability and cost-efficiency. The inch measurements align with many classic car restoration projects.

For aerospace ground support equipment, 25580-25520D Bearing’s weight-to-load ratio makes it suitable for tow tractors and cargo loaders. The chrome steel rollers resist wear during frequent start-stop cycles.

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