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TS (Single Row Tapered Roller Bearings) (Imperial) 25581-25522

TS (Single Row Tapered Roller Bearings) (Imperial) 25581-25522

The 25581-25522 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 in thrust, making it versatile for various applications.

Its open design allows easy lubrication, while the steel cage ensures durability under heavy use. The bearing operates smoothly in temperatures from -30°C to 110°C.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for gearboxes, axles, or industrial machinery 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 most industrial environments.

The standard radial clearance ensures easy installation, with options for C3, C4, or C5 clearances if needed. Its ABEC-1 rating provides dependable precision for general-purpose use.

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Product Parameters

  • Part Number 25581-25522
  • Brand TFL
  • Interchangeable Timken
  • Size 1.75" x 3.27" x 0.9401"
  • 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 0.7525"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.9401"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.02"
  • Cup Backface ToClear Radius 0.08"
  • Cone Frontface Backing Diameter 1.97"
  • 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 25581
  • 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 1.2 lb

Features

Performance Features of 25581-25522 Bearing

25581-25522 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 20,300 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, reducing friction and enhancing durability.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Does 25581-25522 Bearing Reduce Friction?

25581-25522 Bearing’s tapered roller design minimises friction, ensuring smooth operation under combined loads.
The chrome steel construction and precise tolerances contribute to its efficient performance.
Its dynamic thrust rating of 3,020 lbf at 90 million revolutions highlights its long-lasting capability.
The open design allows for easy lubrication, further reducing wear over time.

Engineered for Precision: 25581-25522 Bearing

25581-25522 Bearing features precise cone and cup dimensions, ensuring accurate alignment in applications.
The standard radial clearance option provides flexibility for different operational needs.
With an ABEC-1 rating, it balances performance and cost-effectiveness.
The single-row construction simplifies installation while maintaining reliability.

Application

Industrial Uses of 25581-25522 Bearing
25581-25522 Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability in tough working conditions.

What Makes 25581-25522 Bearing a Preferred Choice?
In automotive applications, 25581-25522 Bearing fits well in wheel hubs and differential systems, thanks to its precise inch sizing and reliable performance. The open design allows for easy lubrication, extending its service life.

Built for Heavy-Duty Use: 25581-25522 Bearing
For industrial conveyors and pulley systems, 25581-25522 Bearing offers stability under radial and thrust loads. Its steel cage provides added strength, making it suitable for high-stress environments.

Automotive vs Aerospace: Applications of 25581-25522 Bearing
While 25581-25522 Bearing is popular in truck axles and off-road vehicles, its precision also makes it useful in aerospace landing gear components. The ABEC-1 rating ensures consistent performance across industries.

Q&A

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