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TS (Single Row Tapered Roller Bearings) (Imperial) 25570-25526

TS (Single Row Tapered Roller Bearings) (Imperial) 25570-25526

The 25570-25526 is a single-row tapered roller bearing with a 1.4375″ bore and 3.3465″ 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 machinery like gearboxes or wheel hubs where combined loads are common.

Weighing 1.5 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 25570-25526
  • Brand TFL
  • Interchangeable Timken
  • Size 1.4375" x 3.3465" x 0.9376"
  • Bore Dia 1.4375"
  • 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 0.75"
  • 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 0.090"
  • Cone Frontface Backing Diameter 1.77"
  • Cone Backface Backing Diameter 2.01"
  • Cup Frontface Backing Diameter 3.11"
  • Cup Backface Backing Diameter 2.91"
  • 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 25526
  • 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 25570-25526 Bearing

25570-25526 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, enhancing durability and reducing friction.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Does 25570-25526 Bearing Resist Wear?

25570-25526 Bearing’s chrome steel construction provides excellent wear resistance, even under high stress.
The tapered roller design distributes loads evenly, minimising surface fatigue.
Its standard radial clearance allows for smooth operation, reducing long-term wear.
Regular lubrication further extends its service life in demanding environments.

Engineered for Precision: 25570-25526 Bearing

25570-25526 Bearing features precise tolerances, with bore diameter maintained within +0.005″ to 0.
The effective center location of -0.25″ ensures accurate alignment in assembly.
Its ABEC-1 rating guarantees consistent performance for general precision applications.
The single row construction simplifies installation while maintaining reliability.

Steel vs Ceramic Bearings: Strengths of 25570-25526 Bearing

25570-25526 Bearing uses chrome steel for both rings and rollers, offering cost-effective durability.
This material choice provides 24,900 lbf static radial load capacity without ceramic’s brittleness.
The steel cage maintains structural integrity under heavy combined loads.
While requiring lubrication, it delivers reliable performance across a wide temperature range.

Application

Common Applications of 25570-25526 Bearing
25570-25526 Bearing is widely used in industrial equipment like heavy-duty gearboxes and conveyor systems, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability in demanding environments.

In automotive applications, 25570-25526 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 agricultural machinery, 25570-25526 Bearing excels in tractors and harvesters, where its robust design withstands harsh conditions. The open seal type allows for easy lubrication, extending service life.

Where Is 25570-25526 Bearing Used?
25570-25526 Bearing is commonly found in construction equipment like excavators and cranes, where its high load capacity is essential. The tapered rollers distribute stress evenly, reducing wear.

In mining operations, 25570-25526 Bearing handles heavy radial and thrust loads in crushers and screens. Its steel cage provides added strength for continuous operation.

Built for Heavy-Duty Use: 25570-25526 Bearing
25570-25526 Bearing is ideal for forestry machinery, such as log splitters and sawmills, where its durability is crucial. The standard radial clearance ensures smooth performance.

In material handling systems, 25570-25526 Bearing supports pulley assemblies and lifting mechanisms. Its ABEC-1 rating balances precision and cost-effectiveness for general industrial use.

Automotive vs Aerospace: Applications of 25570-25526 Bearing
25570-25526 Bearing is a staple in automotive drivetrains, offering reliable performance in trucks and SUVs. Its inch measurements align with imperial system requirements.

In aerospace ground support equipment, 25570-25526 Bearing provides stability for loading systems and maintenance platforms. The temperature range suits both indoor and outdoor use.

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