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TS (Single Row Tapered Roller Bearings) (Imperial) 25581-25523

TS (Single Row Tapered Roller Bearings) (Imperial) 25581-25523

The 25581-25523 is a single-row tapered roller bearing with a 1.75″ bore and 3.265″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 20300 lbf radially and 3020 lbf thrust, suitable for various industrial uses.

Its open design allows easy lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures from -30°C to 110°C, making it versatile for different environments.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for heavy-duty applications like gearboxes or vehicle axles where combined loads are common.

Weighing 1.3 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, ensuring safe and eco-friendly use.

The standard radial clearance and ABEC-1 rating provide consistent performance. Its tapered roller design helps distribute loads evenly, extending service life.

Perfect for machinery requiring precise alignment and high load capacity. A practical choice for maintenance or new installations in demanding settings.

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Product Parameters

  • Part Number 25581-25523
  • Brand TFL
  • Interchangeable Timken
  • Size 1.75" x 3.265" x 1.0626"
  • Bore Dia 1.75"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.265"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.875"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.0626"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.02"
  • Cup Backface ToClear Radius 0.090"
  • Cone Frontface Backing Diameter 1.97"
  • Cone Backface Backing Diameter 2.01"
  • Cup Frontface Backing Diameter 3.05"
  • Cup Backface Backing Diameter 2.83"
  • Cage Cone Frontface Clearance 0.06"
  • Cage Cone Backface Clearance 0.01"
  • Effective Center Location -0.25"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 25581
  • Cup Part Number 25523
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 25500
  • Ring Material Chrome Steel
  • Roller 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 Thrust Rating(90 Million Revolutions)(Ca90) 3020 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 1.3 lb

Features

Performance Features of 25581-25523 Bearing

25581-25523 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 20,300 lbf, ensuring reliable performance in demanding conditions.
The steel cage maintains proper roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environments.

How Does 25581-25523 Bearing Reduce Friction?

25581-25523 Bearing’s tapered roller design minimises friction, allowing smooth operation under heavy loads.
The chrome steel construction ensures durability while maintaining efficient performance.
Precision-engineered cage clearance helps keep rollers aligned, further reducing wear.
This design also supports combined load applications, making it versatile for different uses.

Engineered for Precision: 25581-25523 Bearing

25581-25523 Bearing features precise dimensions, with bore and outer diameter tolerances ensuring a perfect fit.
Its effective center location of -0.25″ enhances stability in mounted applications.
The standard radial clearance option allows for flexibility in various operational conditions.
Designed for combined loads, it balances radial and thrust capabilities effectively.

Steel vs Ceramic Bearings: Strengths of 25581-25523 Bearing

25581-25523 Bearing uses chrome steel for both rings and rollers, providing excellent strength and durability.
This material choice ensures reliable performance under high dynamic and static radial loads.
The steel cage further enhances longevity by maintaining proper roller alignment.
With a weight of 1.3 lb, it offers a robust yet manageable solution for industrial applications.

Application

Industrial Uses of 25581-25523 Bearing
25581-25523 Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability in tough working conditions.

In automotive applications, 25581-25523 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a convenient choice for North American vehicle models.

For industrial conveyor systems, 25581-25523 Bearing’s open design allows for easy lubrication, extending service life in high-demand environments. The steel cage adds stability during continuous operation.

Where Is 25581-25523 Bearing Used?
You’ll often find 25581-25523 Bearing in mining equipment, where its robust design withstands heavy radial and thrust loads. The standard radial clearance ensures smooth operation even in dusty conditions.

Built for Heavy-Duty Use: 25581-25523 Bearing
25581-25523 Bearing excels in forestry machinery, handling rough terrain and shock loads with ease. Its tapered rollers distribute stress evenly, reducing wear over time.

Automotive vs Aerospace: Applications of 25581-25523 Bearing
In automotive settings, 25581-25523 Bearing supports drivetrain components, while in aerospace, it’s used in auxiliary systems requiring precise load management. The inch measurements align with industry standards.

Q&A

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