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TS (Single Row Tapered Roller Bearings) (Imperial) 25578-25527

TS (Single Row Tapered Roller Bearings) (Imperial) 25578-25527

The 25578-25527 is a single-row tapered roller bearing with a 1.6875″ bore and 3.3465″ 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 for easy lubrication, while the steel cage ensures durability under heavy use. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

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

Weighing 1.5 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 25578-25527
  • Brand TFL
  • Interchangeable Timken
  • Size 1.6875" x 3.3465" x 1.0626"
  • Bore Dia 1.6875"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.3465"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.875"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.0626"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.09"
  • Cup Backface ToClear Radius 0.090"
  • Cone Frontface Backing Diameter 1.95"
  • Cone Backface Backing Diameter 2.09"
  • Cup Frontface Backing Diameter 3.11"
  • 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 25578
  • Cup Part Number 25527
  • 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 1.500 lb

Features

Performance Features of 25578-25527 Bearing

25578-25527 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 20,300 lbf, making it suitable for heavy-duty applications.

The steel cage ensures proper roller alignment, reducing friction and wear.
With a standard radial clearance, it provides reliable performance in various operating conditions.

25578-25527 Bearing operates efficiently within a temperature range of -30° to 110°C.
Its tapered roller design ensures smooth handling of both radial and thrust loads.

The open seal type allows for easy lubrication, enhancing its service life.
Weighing 1.500 lb, it balances durability and ease of installation.

Application

Industrial Uses of 25578-25527 Bearing
25578-25527 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

What Makes 25578-25527 Bearing a Preferred Choice?
In automotive applications, 25578-25527 Bearing fits well in wheel hubs and differential systems, thanks to its precise imperial sizing. The open design allows for easy lubrication, extending its service life.

Built for Heavy-Duty Use: 25578-25527 Bearing
For industrial fans and pumps, 25578-25527 Bearing offers reliable performance under high radial and thrust loads. Its steel cage provides stability, making it suitable for continuous operation.

Automotive vs Aerospace: Applications of 25578-25527 Bearing
In automotive systems, 25578-25527 Bearing supports wheel assemblies, while in aerospace, it’s used in auxiliary gearboxes. The ABEC-1 rating ensures consistent performance across both sectors.

Key Fields for 25578-25527 Bearing
25578-25527 Bearing is ideal for mining equipment, where its robust design withstands harsh conditions. The standard radial clearance option makes it versatile for various load requirements.

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