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TS (Single Row Tapered Roller Bearings) (Imperial) 25581-25519

TS (Single Row Tapered Roller Bearings) (Imperial) 25581-25519

The 25581-25519 is a single-row tapered roller bearing with a 1.75″ bore and 3.25″ outer diameter, crafted from sturdy chrome steel. It handles combined loads, supporting up to 20300 lbf radially and 3020 lbf in thrust, making it versatile for various applications.

Its open design and steel cage ensure durability, while the tapered rollers provide smooth operation. The bearing requires regular lubrication and performs well in temperatures from -30°C to 110°C.

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

Weighing 1.2 lb, it’s robust yet manageable. Compliant with RoHS and REACH standards, it’s a safe choice for diverse environments. The ABEC-1 rating ensures consistent performance for standard precision needs.

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Product Parameters

  • Part Number 25581-25519
  • Brand TFL
  • Interchangeable Timken
  • Size 1.75" x 3.25" x 0.9376"
  • Bore Dia 1.75"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.25"
  • 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 0.08"
  • Cone Frontface Backing Diameter 1.97"
  • Cone Backface Backing Diameter 2.01"
  • Cup Frontface Backing Diameter 3.05"
  • Cup Backface Backing Diameter 2.87"
  • 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 25519
  • 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

Performance Features of 25581-25519 Bearing

25581-25519 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 20,300 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

Why Choose 25581-25519 Bearing for Precision Tasks?

25581-25519 Bearing features precise dimensions, with bore and outer diameter tolerances ensuring accurate fit.
The tapered roller design efficiently handles both radial and thrust loads, providing smooth operation.
Its ABEC-1 rating guarantees consistent performance in precision applications.
The standard radial clearance allows for flexibility in different operational environments.

Built for Reliability: 25581-25519 Bearing

25581-25519 Bearing’s chrome steel construction enhances durability and wear resistance.
The single-row tapered roller design ensures stable performance under combined loads.
With a static radial load capacity of 24,900 lbf, it excels in demanding industrial settings.
Proper lubrication further extends its service life, reducing maintenance needs.

Steel vs Ceramic Bearings: Strengths of 25581-25519 Bearing

25581-25519 Bearing uses chrome steel for both rings and rollers, offering excellent strength and durability.
This material choice makes it more cost-effective than ceramic bearings while maintaining high performance.
The steel cage provides robust support, ensuring reliable operation under heavy loads.
Its compatibility with standard lubrication simplifies maintenance compared to specialised ceramic options.

Application

Industrial Uses of 25581-25519 Bearing
The 25581-25519 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability even in demanding environments.

Where Is 25581-25519 Bearing Used?
You’ll often find 25581-25519 Bearing in automotive applications, particularly in wheel hubs and differential systems. Its inch sizing makes it a reliable choice for vehicles using imperial measurements.

Built for Heavy-Duty Use: 25581-25519 Bearing
This bearing excels in industrial settings like conveyor systems, where its single-row design simplifies maintenance. The open seal type allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 25581-25519 Bearing
In automotive systems, 25581-25519 Bearing supports high radial loads in transmissions and axles. While not typically used in aerospace, its precision makes it suitable for ground support equipment.

Key Fields for 25581-25519 Bearing
The 25581-25519 Bearing is ideal for machinery requiring standard radial clearance, such as pumps and compressors. Its steel cage provides stability under varying temperatures and loads.

Q&A

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