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TS (Single Row Tapered Roller Bearings) (Imperial) 25577-25520

TS (Single Row Tapered Roller Bearings) (Imperial) 25577-25520

The 25577-25520 is a single-row tapered roller bearing with a 1.688″ bore and 3.265″ outer diameter, built from sturdy 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 easy lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures from -30°C to 110°C, suitable for demanding environments.

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

Weighing 1.3 lb, it balances strength and manageability. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 25577-25520
  • Brand TFL
  • Interchangeable Timken
  • Size 1.688" x 3.265" x 0.9375"
  • Bore Dia 1.688"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.265"
  • 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 0.9375"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.03"
  • Cone Frontface Backing Diameter 1.93"
  • Cone Backface Backing Diameter 2.17"
  • 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 25577
  • Cup Part Number 25520
  • 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

Performance Features of 25577-25520 Bearing

25577-25520 Bearing is crafted with chrome steel rings and rollers, offering strong resistance to combined 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.

How Is 25577-25520 Bearing Engineered for Reliability?

25577-25520 Bearing features a single-row tapered roller design, ideal for handling both radial and thrust loads.
The chrome steel construction enhances durability, while the standard radial clearance ensures smooth operation.
Its effective center location of -0.25″ optimises load distribution, improving overall stability.
With a static radial load of 24,900 lbf, it’s built for long-term reliability.

Built for Durability: 25577-25520 Bearing

25577-25520 Bearing’s tapered roller design provides efficient load distribution, reducing wear.
The steel cage and chrome steel rollers ensure consistent performance under heavy loads.
Its ABEC-1 rating guarantees precision, making it suitable for various industrial applications.
The bearing operates within a wide temperature range, adapting to different working conditions.

Steel vs Ceramic Bearings: Strengths of 25577-25520 Bearing

25577-25520 Bearing uses chrome steel for both rollers and rings, offering excellent strength and durability.
This material choice ensures resistance to wear and fatigue, even under high loads.
The bearing’s dynamic thrust rating of 3,020 lbf highlights its capability in thrust applications.
Its standard radial clearance allows for smooth operation, reducing maintenance needs.

Application

Industrial Uses of 25577-25520 Bearing
25577-25520 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined radial and thrust loads effectively. The chrome steel construction ensures durability even in demanding environments.

What Makes 25577-25520 Bearing a Preferred Choice?
In automotive applications, 25577-25520 Bearing fits well in wheel hubs and differential systems, thanks to its precise inch sizing and compatibility with Timken designs. The open seal type allows for easy lubrication, extending its service life.

Built for Heavy-Duty Use: 25577-25520 Bearing
For industrial conveyor systems, 25577-25520 Bearing’s robust build and standard radial clearance make it reliable for continuous operation. Its steel cage adds strength, ensuring smooth performance under heavy loads.

Automotive vs Aerospace: Applications of 25577-25520 Bearing
While 25577-25520 Bearing excels in automotive drivetrains, its ABEC-1 rating also suits less precision-critical aerospace components. The temperature range of -30° to 110°C covers most operational needs in both sectors.

Q&A

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