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TS (Single Row Tapered Roller Bearings) (Imperial) 25581-25526

TS (Single Row Tapered Roller Bearings) (Imperial) 25581-25526

The 25581-25526 is a single-row tapered roller bearing with a 1.75″ bore and 3.3465″ outer diameter, crafted from robust chrome steel. It handles combined loads up to 20300 lbf radially and 3020 lbf in 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 1.3 lb, it’s sturdy yet manageable for its size. Compliant with RoHS and REACH standards, it’s safe for widespread use.

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Product Parameters

  • Part Number 25581-25526
  • Brand TFL
  • Interchangeable Timken
  • Size 1.75" x 3.3465" x 0.9376"
  • Bore Dia 1.75"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.3465"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.75"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.9376"
  • 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 3.11"
  • 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 25526
  • 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

Built for Reliability: 25581-25526 Bearing

25581-25526 Bearing features chrome steel rings and rollers, ensuring strong resistance to combined loads.
Its dynamic radial load capacity reaches 20,300 lbf, making it suitable for demanding applications.

The steel cage maintains roller alignment, reducing wear and extending service life.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

25581-25526 Bearing’s standard radial clearance offers flexibility for different operational needs.
Its single-row tapered design provides efficient load distribution and smooth operation.

The open seal type allows for easy lubrication, ensuring consistent performance.
Weighing just 1.3 lb, it balances durability and ease of handling.

Application

Common Applications of 25581-25526 Bearing
25581-25526 Bearing is widely used in industrial machinery, especially in heavy-duty equipment like gearboxes and power transmission systems. Its tapered roller design handles combined loads effectively, making it suitable for demanding environments.

In automotive applications, 25581-25526 Bearing supports wheel hubs and differential systems, where its durability and precision are key. The inch sizing ensures compatibility with many American-made vehicles.

For construction equipment, 25581-25526 Bearing’s chrome steel construction provides reliable performance under high radial and thrust loads. The open design allows for easy lubrication, extending its service life in tough conditions.

Where Is 25581-25526 Bearing Used?
You’ll often find 25581-25526 Bearing in agricultural machinery, such as tractors and harvesters, where it handles heavy loads and rough terrain. Its robust design ensures long-lasting performance.

In mining equipment, 25581-25526 Bearing is a go-to choice for conveyor systems and crushers. The tapered rollers distribute loads evenly, reducing wear and tear.

Built for Heavy-Duty Use: 25581-25526 Bearing
25581-25526 Bearing excels in forestry equipment, like log splitters and sawmills, where it withstands high impact and vibration. The steel cage adds extra strength for these tough jobs.

For material handling systems, 25581-25526 Bearing offers smooth operation in forklifts and cranes. Its standard radial clearance ensures reliable performance under varying loads.

Automotive vs Industrial: Applications of 25581-25526 Bearing
In automotive settings, 25581-25526 Bearing is ideal for drivetrains and axles, thanks to its combined load capacity. The ABEC-1 rating ensures consistent precision.

In industrial settings, this bearing shines in pumps and compressors, where its temperature range and lubrication needs are easily managed. The chrome steel rollers resist wear even in high-speed applications.

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