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

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

The 25580-25520DC 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.

Its open design allows for 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 is part of the 25500 series, with standard radial clearance and ABEC-1 precision. Ideal for heavy-duty applications like truck axles or industrial gearboxes where reliability is key.

Weighing 2.82 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for most environments.

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Product Parameters

  • Part Number 25580-25520DC
  • 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 2.24"
  • 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 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 2.82 lb

Features

How Does 25580-25520DC Bearing Handle Combined Loads?

25580-25520DC Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 35,400 lbf, ensuring reliable performance in demanding applications.
The steel cage keeps the rollers aligned, reducing wear and extending service life.
With a temperature range of -30° to 110°C, it performs well in various operating conditions.

What Makes 25580-25520DC Bearing Durable?

25580-25520DC Bearing features a double-row tapered roller design, providing enhanced load distribution and durability.
The chrome steel construction ensures resistance to wear, even under heavy combined loads.
Its standard radial clearance allows for smooth operation, reducing friction and heat generation.
The bearing’s robust design makes it suitable for industrial applications requiring long-term reliability.

Engineered for Precision: 25580-25520DC Bearing

25580-25520DC Bearing is designed with precise tolerances, ensuring consistent performance in combined load scenarios.
The tapered roller construction minimises friction, contributing to efficient operation.
Its ABEC-1 rating guarantees a level of precision suitable for various industrial uses.
The bearing’s open design simplifies lubrication, maintaining optimal performance over time.

Steel vs Ceramic Bearings: Strengths of 25580-25520DC Bearing

25580-25520DC Bearing utilises chrome steel for both rings and rollers, offering a balance of strength and cost-effectiveness.
This material choice ensures durability and resistance to wear in demanding environments.
The steel cage provides stability, keeping rollers aligned under heavy loads.
With a weight of 2.82 lb, it maintains a practical balance between strength and manageability.

Application

Industrial Uses of 25580-25520DC Bearing
25580-25520DC Bearing is commonly used in heavy machinery like construction equipment, where its double-row design handles combined radial and thrust loads effectively. The chrome steel construction ensures durability in demanding environments.

In automotive applications, 25580-25520DC Bearing supports wheel hubs and drivetrain components, providing reliable performance under varying loads. Its inch sizing makes it compatible with many North American vehicle models.

For industrial automation, 25580-25520DC Bearing’s open design allows for easy lubrication, extending service life in high-speed conveyor systems. The steel cage adds stability during prolonged operation.

Where Is 25580-25520DC Bearing Used?
You’ll often find 25580-25520DC Bearing in agricultural machinery, where its tapered roller design manages heavy loads efficiently. The standard radial clearance suits most farming equipment needs.

Built for Heavy-Duty Use: 25580-25520DC Bearing
25580-25520DC Bearing excels in mining equipment, thanks to its robust construction and high dynamic load capacity. The double-row setup distributes stress evenly, reducing wear.

Automotive vs Aerospace: Applications of 25580-25520DC Bearing
In trucks, 25580-25520DC Bearing handles wheel loads reliably, while in aircraft ground support gear, it withstands frequent starts and stops. The temperature range suits both applications well.

Q&A

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