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TS (Single Row Tapered Roller Bearings) (Imperial) 25581-25518

TS (Single Row Tapered Roller Bearings) (Imperial) 25581-25518

The 25581-25518 is a single-row tapered roller bearing with a 1.75″ bore and 3.2273″ outer diameter, crafted from robust chrome steel. It handles combined loads up to 20300 lbf radially and 3020 lbf thrust, making it versatile for various applications.

Its open design allows for easy lubrication, while the steel cage ensures durability under heavy use. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for industrial machinery or automotive systems where combined loads are common.

Weighing 1.2 lb, it’s sturdy yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for diverse environments.

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Product Parameters

  • Part Number 25581-25518
  • Brand TFL
  • Interchangeable Timken
  • Size 1.75" x 3.2273" x 0.9401"
  • Bore Dia 1.75"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.2273"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.7525"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.9401"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.02"
  • Cup Backface ToClear Radius 0.04"
  • Cone Frontface Backing Diameter 1.97"
  • Cone Backface Backing Diameter 2.01"
  • Cup Frontface Backing Diameter 3.05"
  • Cup Backface Backing Diameter 2.91"
  • 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 25518
  • 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 1.2 lb

Features

How Does 25581-25518 Bearing Handle Combined Loads?

25581-25518 Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 20,300 lbf, ensuring reliable performance in demanding conditions.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environments.

Why Choose 25581-25518 Bearing for Precision Tasks?

25581-25518 Bearing features a tapered roller design, providing precise load distribution and smooth operation.
The chrome steel construction enhances durability, making it suitable for heavy-duty applications.
Its standard radial clearance ensures consistent performance across different operating conditions.
The bearing’s ABEC-1 rating confirms its precision engineering for reliable use.

Designed for Durability: 25581-25518 Bearing

25581-25518 Bearing’s single-row construction and chrome steel components ensure long-lasting performance.
The tapered rollers reduce stress on contact points, minimising wear and tear.
With a static radial load capacity of 24,900 lbf, it handles high loads with ease.
Its open design allows for easy lubrication, maintaining optimal performance over time.

Application

Common Applications of 25581-25518 Bearing
In industrial machinery, 25581-25518 Bearing handles combined loads effectively, making it suitable for gearboxes and heavy-duty conveyor systems. Its tapered roller design ensures reliable performance under varying stress conditions.

Where Is 25581-25518 Bearing Used?
You’ll often find 25581-25518 Bearing in automotive applications like wheel hubs and differential systems, where its durability and load capacity are key. The inch sizing makes it a natural fit for North American vehicle designs.

Built for Heavy-Duty Use: 25581-25518 Bearing
For construction equipment, 25581-25518 Bearing stands up to rough conditions in excavators and loaders. The chrome steel construction offers excellent wear resistance, even in dusty environments.

Automotive vs Aerospace: Applications of 25581-25518 Bearing
In automotive settings, 25581-25518 Bearing supports drivetrain components, while in aerospace, it’s used in auxiliary systems where precision and reliability matter. The open design simplifies maintenance in both fields.

Practical Applications of 25581-25518 Bearing
Farm machinery benefits from 25581-25518 Bearing’s ability to handle heavy radial and thrust loads in tractors and harvesters. Its steel cage adds durability for long-term use in demanding conditions.

Q&A

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