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TS (Single Row Tapered Roller Bearings) (Imperial) 25880-25821

TS (Single Row Tapered Roller Bearings) (Imperial) 25880-25821

The 25880-25821 is a single-row tapered roller bearing with a 1.44″ bore and 2.88″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 19100 lbf radially and 2460 lbf thrust, making it versatile for various applications.

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

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for use in gearboxes, axles, or industrial machinery where combined loads are present.

Weighing just 1lb, it’s lightweight yet robust. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 25880-25821
  • Brand TFL
  • Interchangeable Timken
  • Size 1.4365" x 2.875" x 0.9375"
  • Bore Dia 1.4365"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 2.875"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.9688"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.75"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.9375"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.06"
  • Cup Backface ToClear Radius 0.03"
  • Cone Frontface Backing Diameter 1.65"
  • Cone Backface Backing Diameter 1.73"
  • Cup Frontface Backing Diameter 2.72"
  • Cup Backface Backing Diameter 2.56"
  • Cage Cone Frontface Clearance 0.09"
  • Cage Cone Backface Clearance 0.02"
  • Effective Center Location -0.32"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 25880
  • Cup Part Number 25821
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 25800
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 19100 lbf
  • Static Radial Load 21900 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 4960 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 2460 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 lb

Features

Performance Features of 25880-25821 Bearing

25880-25821 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 19,100 lbf, ensuring reliable performance in various applications.
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 diverse environments.

How Is 25880-25821 Bearing Engineered for Reliability?

25880-25821 Bearing features a tapered roller design, providing efficient load distribution and reduced wear.
The chrome steel construction enhances durability, making it suitable for heavy-duty use.
Its standard radial clearance ensures smooth operation, even under varying conditions.
The bearing’s ABEC-1 rating confirms its precision and consistent performance.

Built for Durability: 25880-25821 Bearing

25880-25821 Bearing’s single-row construction simplifies installation while maintaining high load capacity.
The open seal design allows for easy lubrication, ensuring long service life.
With a static radial load of 21,900 lbf, it handles demanding applications with ease.
The bearing’s inch measurements make it compatible with imperial system machinery.

Application

Industrial Uses of 25880-25821 Bearing
25880-25821 Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability in demanding environments.

Where Is 25880-25821 Bearing Used?
You’ll often find 25880-25821 Bearing in automotive applications, particularly in wheel hubs and differential systems. Its inch sizing makes it a reliable choice for American-made vehicles.

Built for Heavy-Duty Use: 25880-25821 Bearing
25880-25821 Bearing excels in industrial gearboxes, providing smooth operation under high radial and thrust loads. The steel cage adds extra strength for long-term performance.

Automotive vs Aerospace: Applications of 25880-25821 Bearing
In automotive systems, 25880-25821 Bearing supports wheel assemblies, while in aerospace, it’s used in auxiliary gearboxes. Its ABEC-1 rating ensures consistent precision for both sectors.

Perfect Fit for Automation: 25880-25821 Bearing
25880-25821 Bearing works well in automated conveyor systems, where its standard radial clearance allows for smooth movement. The open design simplifies lubrication and maintenance.

Q&A

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