TS (Single Row Tapered Roller Bearings) (Imperial) 25581-25527

The 25581-25527 is a single-row tapered roller bearing with a 1.75″ bore and 3.3465″ 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, offering a reliable replacement option. It’s ideal for heavy-duty machinery like gearboxes or axles where combined loads are common.

Weighing 1.400 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe use.

The standard radial clearance can be adjusted to C3, C4, or C5 if needed. Its ABEC-1 rating ensures consistent performance in industrial settings.

The tapered roller design provides effective load distribution, reducing wear over time. Perfect for applications requiring long-lasting reliability under stress.

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Description

Features

Application

Q&A

Product Parameters

Part Number 25581-25527
Brand TFL
Interchangeable Timken
Size 1.75" x 3.3465" x 1.0626"
Bore Dia 1.75"
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 0.02"
Cup Backface ToClear Radius 0.090"
Cone Frontface Backing Diameter 1.97"
Cone Backface Backing Diameter 2.01"
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 25581
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 1.400 lb

Features

How Is 25581-25527 Bearing Engineered for Reliability?

25581-25527 Bearing features chrome steel rings and rollers, ensuring durability under combined loads.
Its dynamic radial load capacity reaches 20,300 lbf, making it suitable for heavy-duty applications.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various environments.

Structural Advantages of 25581-25527 Bearing

25581-25527 Bearing’s tapered roller design efficiently handles both radial and thrust loads.
The precise cone and cup dimensions ensure smooth operation and easy installation.
Its standard radial clearance allows for flexibility in different applications.
The open seal type simplifies maintenance while keeping lubrication requirements straightforward.

Why Choose 25581-25527 Bearing for Precision Tasks?

25581-25527 Bearing’s ABEC-1 rating guarantees consistent performance in precision applications.
The chrome steel construction resists wear, maintaining accuracy over extended use.
Effective center location at -0.25″ ensures proper alignment in complex assemblies.
With a dynamic thrust rating of 3,020 lbf, it balances precision and strength.

Application

Industrial Uses of 25581-25527 Bearing
25581-25527 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, 25581-25527 Bearing fits well in 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, 25581-25527 Bearing’s open design allows for easy lubrication, extending service life in continuous operation. The steel cage adds stability during high-speed rotations.

Where Is 25581-25527 Bearing Used?
You’ll often find 25581-25527 Bearing in agricultural machinery, such as tractors and harvesters, where its robust design withstands rough conditions. The standard radial clearance offers flexibility for different load requirements.

In material handling systems, 25581-25527 Bearing supports conveyor rollers, ensuring smooth movement under heavy loads. Its ABEC-1 rating provides a balance of precision and cost-effectiveness for general industrial use.

Built for Heavy-Duty Use: 25581-25527 Bearing
25581-25527 Bearing excels in mining equipment, where its tapered rollers distribute loads evenly, reducing wear. The chrome steel rollers and rings enhance resistance to shock and vibration.

For railway applications, 25581-25527 Bearing is a trusted choice for axle boxes, thanks to its reliable performance under dynamic loads. The inch measurements simplify replacements in older systems.

Automotive vs Aerospace: Applications of 25581-25527 Bearing
In automotive settings, 25581-25527 Bearing is ideal for drivetrain components, offering a balance of strength and precision. Its static radial load capacity ensures longevity in high-stress areas.

For aerospace ground equipment, 25581-25527 Bearing provides dependable support in landing gear test rigs. The temperature range suits both cold and moderately warm operating conditions.