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25570-25520DC TDO (Two-Row Double-Outer Race) (Imperial)

25570-25520DC TDO (Two-Row Double-Outer Race) (Imperial)

The 25570-25520DC is a double-row tapered roller bearing with a 1.4375″ bore and 3.265″ outer diameter, built from sturdy chrome steel. It handles combined loads well, with a dynamic radial load capacity of 35400 lbf and smooth operation up to 110°C.

Its open design allows for easy lubrication, while the steel cage ensures durability under heavy use. The double-row construction provides extra stability, making it suitable for high-load applications.

This bearing is ideal for industrial machinery or vehicle axles where both radial and thrust loads are present. It comes in standard radial clearance but is also available in C3, C4, or C5 options for different fit requirements.

Weighing 3.27 lb, it’s a robust choice for demanding environments. Compliant with RoHS and REACH standards, it meets ABEC-1 precision levels for reliable performance.

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Product Parameters

  • Part Number 25570-25520DC
  • Brand TFL
  • Size 1.4375" x 3.265" x 1"
  • Bore Dia 1.4375"
  • 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 2.01"
  • 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 25570
  • 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 3.270 lb

Features

How Does 25570-25520DC Bearing Handle Combined Loads?

25570-25520DC 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 double-row tapered roller design distributes loads evenly, reducing wear and extending service life.
With a temperature range of -30° to 110°C, it performs well in various operating conditions.

Why Choose 25570-25520DC Bearing for Heavy-Duty Applications?

25570-25520DC Bearing features a robust steel cage that keeps the rollers aligned, minimising friction and wear.
Its double-row construction provides excellent load distribution, making it suitable for heavy-duty machinery.
The chrome steel materials resist wear and corrosion, ensuring long-lasting performance.
With standard radial clearance options, it offers flexibility for different installation needs.

Engineered for Reliability: 25570-25520DC Bearing

25570-25520DC Bearing is designed with precision tolerances, ensuring smooth operation under combined loads.
The tapered roller design reduces friction, enhancing efficiency and reducing heat generation.
Its open seal type allows for easy lubrication, maintaining optimal performance over time.
With an ABEC-1 rating, it balances precision and durability for industrial applications.

Material Composition of 25570-25520DC Bearing

25570-25520DC Bearing uses high-quality chrome steel for both rings and rollers, ensuring strength and durability.
The steel cage provides stability, keeping the rollers in place during operation.
This material combination resists wear and corrosion, extending the bearing’s service life.
It operates effectively within a wide temperature range, from -30° to 110°C.

Performance Features of 25570-25520DC Bearing

25570-25520DC Bearing offers a dynamic radial load capacity of 35,400 lbf, suitable for heavy loads.
Its double-row design improves load distribution, reducing stress on individual components.
The bearing requires regular lubrication to maintain smooth operation and prevent premature wear.
With standard radial clearance, it provides reliable performance in various industrial applications.

Application

Industrial Uses of 25570-25520DC Bearing
25570-25520DC 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 effectively. The chrome steel construction ensures durability in tough working conditions.

In automotive applications, 25570-25520DC Bearing supports wheel hubs and differential systems, providing reliable performance under varying loads. Its inch sizing makes it compatible with many American and British vehicle models.

For industrial automation, 25570-25520DC Bearing is a solid choice for conveyor systems and robotic arms, where precision and load capacity are key. The open seal type allows for easy lubrication, extending its service life.

25570-25520DC Bearing also finds use in agricultural machinery, such as tractors and harvesters, where its robust design withstands harsh environments. The standard radial clearance offers flexibility for different operational needs.

Q&A

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