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TS (Single Row Tapered Roller Bearings) (Imperial) 25578-25522

TS (Single Row Tapered Roller Bearings) (Imperial) 25578-25522

The 25578-25522 is a single-row tapered roller bearing with a 1.6875″ bore and 3.27″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 20300 lbf radially and 3020 lbf in 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 1.3 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 25578-25522
  • Brand TFL
  • Interchangeable Timken
  • Size 1.6875" x 3.27" x 0.94"
  • Bore Dia 1.6875"
  • 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 0.7525"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.94"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.09"
  • Cup Backface ToClear Radius 0.08"
  • Cone Frontface Backing Diameter 1.95"
  • Cone Backface Backing Diameter 2.09"
  • 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 25578
  • Cup Part Number 25522
  • 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 25578-25522 Bearing

25578-25522 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 various applications.
The steel cage maintains proper roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in diverse environmental conditions.

Why Choose 25578-25522 Bearing for Precision Tasks?

25578-25522 Bearing features precise tolerances, with bore diameter tolerance of +0.005″ to 0.
Its tapered roller design ensures smooth operation under both radial and thrust loads.
The standard radial clearance option allows for flexibility in different applications.
Weighing just 1.3 lb, it balances durability and ease of handling.

Engineered for Reliability: 25578-25522 Bearing

25578-25522 Bearing’s single-row construction provides stability under heavy loads.
The chrome steel components resist wear, maintaining performance over time.
With a dynamic thrust rating of 3,020 lbf, it handles demanding tasks efficiently.
Its open design simplifies lubrication, ensuring consistent operation.

Application

Industrial Uses of 25578-25522 Bearing
25578-25522 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 even in demanding environments.

In automotive applications, 25578-25522 Bearing supports wheel hubs and differential systems, providing reliable performance under varying loads. Its inch sizing makes it compatible with many North American vehicle models.

For industrial fans and pumps, 25578-25522 Bearing’s open design allows for easy lubrication, extending service life in continuous operation. The standard radial clearance offers flexibility for different installation requirements.

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