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25582-25520DC TDO (Two-Row Double-Outer Race) (Imperial)

25582-25520DC TDO (Two-Row Double-Outer Race) (Imperial)

The 25582-25520DC is a double-row tapered roller bearing with a 1.75″ bore and 3.265″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 35400 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 ranging 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 vehicle axles where combined loads are common.

Weighing 2.79 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for most industrial uses.

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Product Parameters

  • Part Number 25582-25520DC
  • 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 2.36"
  • 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 25582
  • Cup Part Number 25520DC
  • 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 2.79 lb

Features

How Is 25582-25520DC Bearing Engineered for Reliability?

25582-25520DC Bearing features a double-row tapered roller design, providing excellent load distribution and stability.

Its chrome steel construction ensures durability and resistance to wear, even under heavy combined loads.

With a dynamic radial load capacity of 35400 lbf, it handles demanding applications with ease.

The standard radial clearance options allow for flexibility in various operating conditions.

What Makes 25582-25520DC Bearing Suitable for High-Temperature Applications?

25582-25520DC Bearing operates reliably in temperatures ranging from -30° to 110 °C.

Its chrome steel rollers and rings maintain performance under thermal stress, ensuring consistent operation.

The open design allows for effective lubrication, further enhancing its high-temperature resilience.

This makes it ideal for industrial environments where temperature fluctuations are common.

Built for Durability: 25582-25520DC Bearing

25582-25520DC Bearing is constructed with high-quality chrome steel for both rollers and rings.

Its double-row design distributes loads evenly, reducing stress and extending service life.

The steel cage keeps rollers aligned, minimising wear and ensuring smooth operation.

With a weight of 2.79 lb, it offers a robust yet manageable solution for heavy-duty applications.

Steel vs Ceramic Bearings: Strengths of 25582-25520DC Bearing

25582-25520DC Bearing uses chrome steel for its rollers and rings, providing excellent strength and durability.

This material choice ensures reliable performance under high radial and thrust loads.

The steel cage adds structural integrity, keeping components aligned during operation.

While ceramic options exist, 25582-25520DC Bearing’s steel construction offers proven reliability in industrial settings.

Application

Industrial Uses of 25582-25520DC Bearing
25582-25520DC Bearing is commonly used in heavy machinery, such as construction equipment and agricultural 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, 25582-25520DC Bearing supports wheel hubs and drivetrain components, providing reliable performance under varying loads. Its inch sizing makes it a suitable choice for North American vehicle models.

For industrial automation, 25582-25520DC Bearing’s open design allows for easy lubrication, maintaining smooth operation in conveyor systems and robotic arms. The standard radial clearance offers flexibility for different operational needs.

Where Is 25582-25520DC Bearing Used?
You’ll often find 25582-25520DC Bearing in mining equipment, where its tapered roller design manages heavy loads and harsh environments. The steel cage adds extra strength, making it a dependable choice.

In manufacturing plants, 25582-25520DC Bearing is ideal for gearboxes and power transmission systems, thanks to its high dynamic radial rating. The ABEC-1 rating ensures consistent performance for general industrial use.

Built for Heavy-Duty Use: 25582-25520DC Bearing
25582-25520DC Bearing excels in applications like forklifts and cranes, where its combined load capacity and robust construction are essential. The standard lubrication requirement keeps it running smoothly over time.

For railway applications, 25582-25520DC Bearing’s temperature range and durability make it suitable for bogies and axle boxes. The inch measurements ensure compatibility with imperial system components.

Automotive vs Aerospace: Applications of 25582-25520DC Bearing
In automotive settings, 25582-25520DC Bearing is often used in differentials and axles, handling high torque and variable speeds. Its chrome steel rollers provide long-lasting performance.

For aerospace ground equipment, 25582-25520DC Bearing supports loading systems and maintenance tools, where precision and reliability are key. The open seal type allows for easy inspection and maintenance.

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