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25877A Single Cones (Imperial)
25877A Single Cones (Imperial)

25877A Single Cones (Imperial)

The 25877A is a single-row tapered roller bearing cone with a 1.375-inch bore, designed for combined loads. Made from durable chrome steel, it handles dynamic radial loads up to 19100 lbf and operates smoothly in temperatures from -30°C to 110°C.

Its open design allows for easy maintenance, while the steel cage ensures reliable performance. The cone features standard radial clearance, with options for C3, C4, or C5 clearances if needed.

This model is interchangeable with Timken bearings, making it a practical choice for replacements. Ideal for industrial machinery or automotive applications where combined loads are common.

Compliant with RoHS and REACH standards, it meets safety and environmental requirements. The ABEC-1 rating ensures consistent performance for general engineering use.

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Product Parameters

  • Part Number 25877A
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number 25877A-25820 , 25877A-25821
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Series 25877A
  • Bore Dia 1.375"
  • Bore Dia Tolerance +0.005" to 0
  • Cone Width 0.9688"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.03"
  • Cone Frontface Backing Diameter 1.65"
  • Cone Backface Backing Diameter 1.67"
  • Cage Cone Frontface Clearance 0.09"
  • Cage Cone Backface Clearance 0.02"
  • Effective Center Location -0.32"
  • Ring 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 Radial Rating(Two Row 1 Million Revolutions)(C1) 33300 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 2460 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 8640 lbf
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant

Features

Performance Features of 25877A Bearing

25877A Bearing is crafted from chrome steel, offering robust 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 wear.
With a temperature range of -30° to 110°C, it performs well in diverse conditions.

How Is 25877A Bearing Engineered for Reliability?

25877A Bearing features a tapered roller design, optimised for handling both radial and thrust loads.
The chrome steel construction enhances durability, while the steel cage ensures smooth operation.
Its dynamic radial rating of 33,300 lbf for two-row configurations highlights its strength.
This bearing is suitable for standard radial clearance, with options for C3, C4, or C5.

Built for Durability: 25877A Bearing

25877A Bearing’s single-row construction provides stability and long service life.
The precise cone width tolerance of +0.003″ to -0.01″ ensures a perfect fit.
Its dynamic thrust rating of 2,460 lbf (90 million revolutions) demonstrates reliable performance.
The open seal type allows for easy inspection and maintenance.

Application

Key Fields for 25877A Bearing
25877A Bearing is commonly used in heavy machinery, such as construction equipment and agricultural vehicles, where its tapered roller design handles combined loads effectively. The open seal type allows for easy lubrication, extending its service life in demanding conditions.

What Makes 25877A Bearing a Preferred Choice?
In automotive applications, 25877A Bearing fits well in wheel hubs and differential systems, providing reliable performance under both radial and thrust loads. Its inch sizing makes it a go-to option for American and British machinery standards.

Built for Heavy-Duty Use: 25877A Bearing
For industrial gearboxes, 25877A Bearing’s chrome steel construction ensures durability and consistent operation. The steel cage adds strength, making it suitable for high-load scenarios without compromising on stability.

Automotive vs Industrial: Applications of 25877A Bearing
25877A Bearing excels in both automotive and industrial settings, from truck axles to conveyor systems. Its ABEC-1 rating ensures decent precision, while the standard radial clearance offers flexibility for various operational needs.

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