TS (Single Row Tapered Roller Bearings) (Imperial) 25577-25527

The 25577-25527 is a single-row tapered roller bearing with a 1.688″ bore and 3.3465″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 20300 lbf radially and 3020 lbf in 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, making it a practical choice for replacements. Ideal for heavy machinery or automotive uses where combined loads are common.

Weighing 1.5 lb, it offers a robust build for its size. Compliant with RoHS and REACH standards for safe and reliable performance.

Get A Free Quote

Description

Features

Application

Q&A

Product Parameters

Part Number 25577-25527
Brand TFL
Interchangeable Timken
Size 1.688" x 3.3465" x 1.0626"
Bore Dia 1.688"
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 0.14"
Cup Backface ToClear Radius 0.090"
Cone Frontface Backing Diameter 1.93"
Cone Backface Backing Diameter 2.17"
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 25577
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 25577-25527 Bearing

25577-25527 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 enhancing durability.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Does 25577-25527 Bearing Reduce Friction?

25577-25527 Bearing’s tapered roller design minimises friction, ensuring smooth operation under combined loads.
The precision-engineered steel cage maintains roller spacing, preventing metal-to-metal contact.
Its chrome steel construction resists wear, extending the bearing’s service life.
The standard radial clearance allows for optimal performance in most applications.

Engineered for Precision: 25577-25527 Bearing

25577-25527 Bearing features precise tolerances, with bore diameter controlled within +0.005″ to 0.
Its effective center location of -0.25″ ensures accurate alignment in assembly.
The bearing meets ABEC-1 standards, providing consistent performance.
Available in various radial clearances, it can be tailored to specific application needs.

Steel vs Ceramic Bearings: Strengths of 25577-25527 Bearing

25577-25527 Bearing uses chrome steel for both rings and rollers, offering excellent strength-to-weight ratio.
This material choice provides good wear resistance while maintaining affordability.
The steel cage complements this design, ensuring reliable operation under dynamic loads.
With a static radial load capacity of 24,900 lbf, it handles demanding applications effectively.

Application

Industrial Uses of 25577-25527 Bearing
25577-25527 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 in demanding environments.

In automotive applications, 25577-25527 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a preferred choice for North American vehicle models.

For industrial conveyor systems, 25577-25527 Bearing’s open design allows for easy lubrication, extending service life in high-load scenarios. The steel cage adds stability during continuous operation.

Where Is 25577-25527 Bearing Used?
You’ll often find 25577-25527 Bearing in agricultural machinery, supporting components like gearboxes and PTO shafts. Its robust design handles the rough conditions typical in farming.

In mining equipment, 25577-25527 Bearing’s ability to manage heavy radial loads makes it suitable for crushers and screens. The standard radial clearance ensures smooth operation even with thermal expansion.

Built for Heavy-Duty Use: 25577-25527 Bearing
25577-25527 Bearing excels in forestry equipment, where its tapered rollers withstand shock loads from uneven terrain. The chrome steel rollers resist wear over long periods.

In material handling systems, 25577-25527 Bearing’s single-row design simplifies installation and maintenance. Its ABEC-1 rating balances precision and cost-effectiveness for general industrial use.

Automotive vs Aerospace: Applications of 25577-25527 Bearing
In automotive drivetrains, 25577-25527 Bearing handles the combined loads of gears and axles efficiently. The inch measurements ensure compatibility with older vehicle designs.

For aerospace ground support equipment, 25577-25527 Bearing’s temperature range suits outdoor operations. However, its ABEC-1 rating makes it less ideal for high-precision flight components.