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25583-25520DC TDO (Two-Row Double-Outer Race) (Imperial)

25583-25520DC TDO (Two-Row Double-Outer Race) (Imperial)

The 25583-25520DC 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 9180 lbf radially and 3020 lbf thrust, making it a robust choice for heavy-duty applications.

Its open design allows for easy lubrication, while the steel cage ensures durability under high stress. The bearing operates smoothly in temperatures ranging from -30°C to 110°C, suitable for various industrial environments.

This model features standard cups and is part of the 25500 series, offering reliable performance in demanding settings. Ideal for use in gearboxes, axles, or machinery where combined loads are common.

Weighing 3.35 lb, it’s a solid yet manageable component. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

The ABEC-1 rating ensures decent precision, while standard radial clearance (with options for C3/C4/C5) provides flexibility for different applications. A practical choice for engineers and maintenance teams needing dependable performance.

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Product Parameters

  • Part Number 25583-25520DC
  • Brand TFL
  • Size 1.75" x 3.265" x 1.4125"
  • 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 1.4125"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 3.075"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 2.56"
  • Cup Frontface Backing Diameter 3.05"
  • Cage Cone Backface Clearance 0.43"
  • Dynamic Radial Load 35400 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 25583
  • 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 3.35 lb

Features

How Is 25583-25520DC Bearing Engineered for Reliability?

25583-25520DC Bearing features a double-row tapered roller design, providing strong resistance to combined radial and thrust loads.
Its chrome steel construction ensures durability and long service life in demanding conditions.
The bearing’s dynamic radial load capacity reaches 35,400 lbf, making it suitable for heavy-duty applications.
With a standard radial clearance, it offers reliable performance across various operating conditions.

What Makes 25583-25520DC Bearing Suitable for High-Temperature Applications?

25583-25520DC Bearing operates efficiently within a temperature range of -30° to 110°C.
Its chrome steel rings and rollers maintain structural integrity even under thermal stress.
The open seal design allows for proper lubrication, reducing friction and heat buildup.
This ensures consistent performance in high-temperature environments.

Designed for Durability: 25583-25520DC Bearing

25583-25520DC Bearing is built with precision-ground chrome steel rollers for enhanced load distribution.
The double-row configuration increases radial load capacity while maintaining compact dimensions.
Its steel cage keeps rollers aligned, minimising wear and extending operational life.
With standard radial clearance options, it adapts to various installation requirements.

Steel vs Ceramic Bearings: Strengths of 25583-25520DC Bearing

25583-25520DC Bearing utilises chrome steel for both rings and rollers, offering excellent strength-to-weight ratio.
This material choice provides good wear resistance and fatigue life at a competitive cost.
The bearing’s tapered roller design efficiently handles combined loads in industrial applications.
Its ABEC-1 rating ensures consistent performance for general precision requirements.

Application

Industrial Uses of 25583-25520DC Bearing
25583-25520DC 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 even in demanding environments.

In automotive applications, 25583-25520DC Bearing supports wheel hubs and differential systems, providing reliable performance under varying loads. Its inch sizing makes it compatible with many North American vehicle models.

For industrial automation, 25583-25520DC Bearing is ideal for conveyor systems and robotic arms, where precision and load capacity are key. The open seal design allows for easy lubrication, extending its service life.

Where Is 25583-25520DC Bearing Used?
You’ll often find 25583-25520DC Bearing in mining equipment, where its tapered roller design handles heavy radial and axial loads with ease. The steel cage adds extra strength for rugged conditions.

In wind turbines, 25583-25520DC Bearing plays a crucial role in gearbox systems, ensuring smooth rotation under high stress. Its standard radial clearance makes it adaptable to various operational needs.

Built for Heavy-Duty Use: 25583-25520DC Bearing
25583-25520DC Bearing excels in railway applications, particularly in axle boxes where its double-row construction manages dynamic loads efficiently. The ABEC-1 rating ensures consistent performance.

For marine equipment, 25583-25520DC Bearing is a reliable choice for propeller shafts, thanks to its corrosion-resistant chrome steel components. The temperature range suits both cold and warm climates.

Automotive vs Aerospace: Applications of 25583-25520DC Bearing
In automotive systems, 25583-25520DC Bearing is trusted for drivetrain components, offering a balance of strength and precision. The inch measurements align well with standard US designs.

For aerospace ground support equipment, 25583-25520DC Bearing provides dependable performance in load-handling mechanisms. Its compliance with RoHS and REACH standards ensures environmental safety.

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