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25578 Single Cones (Imperial)
25578 Single Cones (Imperial)

25578 Single Cones (Imperial)

The 25578 single cone is a tapered roller bearing with a 1.6875-inch bore, designed for combined loads. Made from durable chrome steel, it handles dynamic radial loads up to 20300 lbf and operates smoothly in temperatures from -30°C to 110°C.

Its open design allows easy maintenance, while the steel cage ensures reliable performance. The bearing is part of the 25500 series and is interchangeable with Timken models, making it a versatile choice for replacements.

With a standard radial clearance and ABEC-1 rating, it offers consistent performance. Ideal for industrial machinery or automotive applications where combined loads are common.

Compliant with RoHS and REACH standards, this bearing is both robust and safe for various uses. Its compact design, at just 1-inch width, makes it suitable for space-constrained installations.

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Product Parameters

  • Part Number 25578
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number 25578-25518 , 25578-25519 , 25578-25520 , 25578-25521 , 25578-25522 , 25578-25523 , 25578-25524 , 25578-25526 , 25578-25527 , 25578-25528 , 25578-25530RB , 25578-25547RB
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Series 25500
  • Bore Dia 1.6875"
  • Bore Dia Tolerance +0.005" to 0
  • Cone Width 1"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.09"
  • Cone Frontface Backing Diameter 1.95"
  • Cone Backface Backing Diameter 2.09"
  • Cage Cone Frontface Clearance 0.06"
  • Cage Cone Backface Clearance 0.01"
  • Effective Center Location -0.25"
  • Ring Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 20300 lbf
  • Static Radial Load 24900 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 5270 lbf
  • Dynamic Radial Rating(Two Row 1 Million Revolutions)(C1) 35400 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 3020 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 9180 lbf
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant

Features

Why Choose 25578 Single Cones for Combined Loads?

25578 Single Cones are crafted from chrome steel, offering strong resistance to both radial and thrust loads.
Their dynamic radial load capacity reaches 20,300 lbf, making them suitable for demanding applications.
The steel cage ensures proper roller alignment, reducing wear and extending service life.
With a temperature range of -30° to 110°C, they perform reliably in various conditions.

How Is 25578 Single Cones Engineered for Reliability?

25578 Single Cones feature a tapered roller design, optimised for combined load handling.
The chrome steel construction provides durability, while the steel cage maintains roller positioning.
They meet ABEC-1 standards, ensuring consistent performance in industrial applications.
Their standard radial clearance can also be adjusted to C3, C4, or C5 as needed.

Built for Durability: 25578 Single Cones

25578 Single Cones are designed with a robust chrome steel structure, capable of withstanding heavy loads.
The tapered roller configuration efficiently distributes stress, enhancing longevity.
Their open seal type allows for easy inspection and maintenance when required.
Operating between -30° to 110°C, they maintain performance across various environments.

Application

Industrial Uses of 25578 Single Cones
25578 Single Cones are commonly used in heavy machinery like construction equipment and mining tools, where their tapered roller design handles combined loads effectively. The open seal type allows for easy lubrication, extending service life in tough conditions.

In automotive applications, 25578 Single Cones support wheel hubs and drivetrain components, ensuring smooth operation under radial and thrust forces. Their inch sizing makes them compatible with many North American vehicle models.

For industrial gearboxes, 25578 Single Cones provide reliable performance due to their chrome steel construction and steel cage. The standard radial clearance options make them adaptable to various precision requirements.

Where Is 25578 Single Cones Used?
You’ll often find 25578 Single Cones in agricultural machinery, such as tractors and harvesters, where durability is key. Their tapered rollers distribute loads evenly, reducing wear over time.

In conveyor systems, 25578 Single Cones help maintain smooth operation under heavy loads. The steel cage ensures stability, even in high-speed applications.

Built for Heavy-Duty Use: 25578 Single Cones
25578 Single Cones excel in applications like railroad axles, where their robust design handles constant stress. The chrome steel rings resist wear, making them a long-lasting choice.

For wind turbine gearboxes, 25578 Single Cones offer reliable performance in varying weather conditions. Their temperature range suits both cold and moderately hot environments.

Automotive vs Aerospace: Applications of 25578 Single Cones
In automotive systems, 25578 Single Cones are ideal for wheel bearings due to their load capacity and durability. They’re a trusted choice for everyday driving conditions.

In aerospace ground equipment, 25578 Single Cones support heavy loads while maintaining precision. Their inch measurements align with many industry standards.

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