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TS (Single Row Tapered Roller Bearings) (Imperial) 25570-25519

TS (Single Row Tapered Roller Bearings) (Imperial) 25570-25519

The 25570-25519 is a single-row tapered roller bearing with a 1.4375″ bore and 3.25″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 20300 lbf radially and 3020 lbf thrust, suitable for demanding 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.

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

Weighing 1.4 lb, it offers a balance of strength and manageable size. Compliant with RoHS and REACH standards for safe and reliable use.

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Product Parameters

  • Part Number 25570-25519
  • Brand TFL
  • Interchangeable Timken
  • Size 1.4375" x 3.25" x 0.9376"
  • Bore Dia 1.4375"
  • 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 0.14"
  • Cup Backface ToClear Radius 0.08"
  • Cone Frontface Backing Diameter 1.77"
  • 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 25570
  • 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 1.400 lb

Features

Performance Features of 25570-25519 Bearing

25570-25519 Bearing is constructed 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 various applications.

The steel cage maintains proper roller alignment, reducing friction and extending service life.
With a temperature range of -30° to 110°C, it performs well in diverse operating conditions.

25570-25519 Bearing requires lubrication, ensuring smooth operation and reduced wear over time.
Its standard radial clearance options provide flexibility for different installation needs.

Application

Industrial Uses of 25570-25519 Bearing
25570-25519 Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined radial and thrust loads effectively. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, 25570-25519 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a straightforward replacement for Timken equivalents in older vehicles.

For industrial conveyor systems, 25570-25519 Bearing’s open design allows for easy lubrication, extending service life in continuous operation. The steel cage adds strength, making it suitable for high-load scenarios.

What Makes 25570-25519 Bearing a Preferred Choice?
25570-25519 Bearing stands out in agricultural machinery, where its ABEC-1 rating balances precision and cost-effectiveness. The standard radial clearance offers flexibility for different operational needs.

In mining equipment, 25570-25519 Bearing’s dynamic radial load capacity of 20,300 lbf ensures stability under extreme conditions. Its temperature range of -30° to 110°C covers most working environments.

Built for Heavy-Duty Use: 25570-25519 Bearing
25570-25519 Bearing excels in forestry machinery, where its tapered rollers manage uneven loads from heavy logs. The steel cage and chrome steel rollers resist wear over time.

For railway applications, 25570-25519 Bearing’s effective center location helps maintain alignment in bogie systems. The inch measurements simplify integration with existing imperial designs.

Automotive vs Aerospace: Applications of 25570-25519 Bearing
In automotive drivetrains, 25570-25519 Bearing handles high torque and variable speeds smoothly. Its compatibility with Timken parts makes maintenance easier for fleet operators.

For aerospace ground support equipment, 25570-25519 Bearing’s static radial load capacity of 24,900 lbf ensures reliability during heavy lifting operations. The open design allows for regular inspections.

Q&A

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