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TS (Single Row Tapered Roller Bearings) (Imperial) 25580-25521

TS (Single Row Tapered Roller Bearings) (Imperial) 25580-25521

The 25580-25521 is a single-row tapered roller bearing with a 1.75″ bore and 3.27″ outer diameter, crafted 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 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 heavy-duty machinery or automotive systems where combined loads are common.

Weighing 1.2 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for industrial use.

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Product Parameters

  • Part Number 25580-25521
  • Brand TFL
  • Interchangeable Timken
  • Size 1.75" x 3.27" x 0.9375"
  • Bore Dia 1.75"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.27"
  • 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 0.130"
  • Cone Frontface Backing Diameter 1.97"
  • Cone Backface Backing Diameter 2.24"
  • Cup Frontface Backing Diameter 3.05"
  • Cup Backface Backing Diameter 2.83"
  • 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 25580
  • Cup Part Number 25521
  • 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 25580-25521 Bearing

25580-25521 Bearing is built 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 tapered roller design of 25580-25521 Bearing ensures smooth operation and even load distribution.
With a standard radial clearance, it provides flexibility for various applications.

25580-25521 Bearing operates efficiently within a temperature range of -30° to 110°C.
Its steel cage keeps the rollers aligned, reducing wear and extending service life.

The open design of 25580-25521 Bearing simplifies installation and maintenance.
It meets ABEC-1 standards, balancing precision and durability for industrial use.

Application

Industrial Uses of 25580-25521 Bearing
25580-25521 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 tough working conditions.

In automotive applications, 25580-25521 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a convenient choice for American-made vehicles.

For industrial gearboxes, 25580-25521 Bearing’s open design allows for easy lubrication, extending service life in high-speed operations. The steel cage adds stability, reducing wear over time.

Where Is 25580-25521 Bearing Used?
You’ll often find 25580-25521 Bearing in agricultural machinery, supporting heavy axial and radial loads in tractors and harvesters. Its standard radial clearance ensures smooth operation even under stress.

The bearing also works well in mining equipment, where its robust design withstands harsh environments. The ABEC-1 rating balances precision and cost for industrial applications.

Built for Heavy-Duty Use: 25580-25521 Bearing
25580-25521 Bearing excels in conveyor systems, handling both radial and thrust loads with ease. The tapered rollers distribute weight evenly, reducing friction.

In forestry equipment, this bearing’s temperature range (-30° to 110°C) ensures reliability in extreme conditions. The steel cage prevents roller misalignment during heavy use.

Automotive vs Aerospace: Applications of 25580-25521 Bearing
In automotive settings, 25580-25521 Bearing is ideal for drivetrain components, offering a balance of strength and affordability. The inch measurements simplify replacements in older models.

For aerospace ground support equipment, this bearing provides dependable performance without the need for high-precision alternatives. Its static load capacity suits less demanding but critical roles.

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