TS (Single Row Tapered Roller Bearings) (Imperial) 39581-39520XX

The 39581-39520XX is a single-row tapered roller bearing with a 2.25″ bore and 4.4375″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 37500 lbf radially and 5650 lbf thrust, making it a sturdy choice for heavy-duty applications.

Its open design allows for easy lubrication, while the steel cage ensures reliable performance. The bearing operates smoothly in temperatures ranging from -30°C to 110°C, suitable for various industrial environments.

This model is interchangeable with Timken bearings, offering a practical replacement option. Ideal for use in gearboxes, axles, or machinery where combined loads are common.

Weighing 3 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it meets safety and environmental requirements. The standard radial clearance ensures versatility in different setups.

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Description

Features

Application

Q&A

Product Parameters

Part Number 39581-39520XX
Brand TFL
Interchangeable Timken
Size 2.25" x 4.4375" x 1.1876"
Bore Dia 2.25"
Bore Dia Tolerance +0.005" to 0
Outer Dia 4.4375"
Outer Dia Tolerance +0.001" to 0
Cone Width 1.1875"
Cone Width Tolerance +0.003" to -0.01
Cup Width 0.9375"
Cup Width Tolerance +0.002" to -0.01
Width 1.1876"
Width Tolerance +0.008" to 0
Cone Backface ToClear Radius 0.310"
Cup Backface ToClear Radius 0.130"
Cone Frontface Backing Diameter 2.6"
Cone Backface Backing Diameter 3.19"
Cup Frontface Backing Diameter 4.25"
Cup Backface Backing Diameter 3.98"
Cage Cone Frontface Clearance 0.13"
Cage Cone Backface Clearance 0.05"
Effective Center Location -0.26"
System of Measurement Inch
Type Bearing
Cone Part Number 39581
Cup Part Number 39520XX
Bearing Type Roller
Roller Bearing Type Tapered
For Load Direction Combined
Construction Single Row
Seal Type Open
Cups Type Standard
Series 39500
Ring Material Chrome Steel
Roller Material Chrome Steel
Cage Material Steel
Dynamic Radial Load 37500 lbf
Static Radial Load 50300 lbf
Dynamic Radial Rating(90 Million Revolutions)(C90) 9730 lbf
Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 5650 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 3 lb

Features

Performance Features of 39581-39520XX Bearing

39581-39520XX Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 37,500 lbf, ensuring reliable performance in demanding conditions.
The steel cage maintains proper roller alignment, reducing friction and extending service life.
With a temperature range of -30° to 110°C, it performs well in various environments.

How Is 39581-39520XX Bearing Engineered for Reliability?

39581-39520XX Bearing features a single-row tapered roller design, optimised for handling both radial and thrust loads.
The chrome steel construction provides durability, while the standard radial clearance ensures smooth operation.
Its dynamic thrust rating of 5,650 lbf at 90 million revolutions highlights its long-lasting performance.
This bearing is interchangeable with Timken models, offering flexibility in replacement options.

Designed for Durability: 39581-39520XX Bearing

39581-39520XX Bearing’s tapered roller design efficiently distributes loads, reducing stress on individual components.
The chrome steel material resists wear, maintaining performance even under heavy loads.
With a static radial load capacity of 50,300 lbf, it is suitable for robust industrial applications.
Its ABEC-1 rating ensures consistent precision in operation.

Steel vs Ceramic Bearings: Strengths of 39581-39520XX Bearing

39581-39520XX Bearing uses chrome steel for both rollers and rings, providing excellent strength and durability.
This material choice makes it more cost-effective than ceramic bearings while maintaining high performance.
The bearing’s dynamic radial rating of 9,730 lbf at 90 million revolutions demonstrates its reliability.
Its standard radial clearance allows for smooth operation in various applications.

Application

Industrial Uses of 39581-39520XX Bearing
The 39581-39520XX Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability even in demanding environments.

In automotive applications, 39581-39520XX Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. The inch sizing makes it compatible with many North American vehicle models.

For industrial gearboxes, 39581-39520XX Bearing’s single-row design offers precise alignment and smooth operation. The steel cage adds stability, making it suitable for high-torque scenarios.

What Makes 39581-39520XX Bearing a Preferred Choice?
The 39581-39520XX Bearing stands out in agricultural machinery due to its ability to manage both radial and thrust loads. Its standard radial clearance allows for easy installation and maintenance.

In conveyor systems, 39581-39520XX Bearing’s robust design ensures long service life even with continuous operation. The open seal type simplifies lubrication, reducing downtime.

Built for Heavy-Duty Use: 39581-39520XX Bearing
The 39581-39520XX Bearing excels in mining equipment, where its high dynamic load capacity handles extreme conditions. The ABEC-1 rating ensures consistent performance without over-engineering.

For railway applications, 39581-39520XX Bearing’s tapered rollers provide stability under heavy loads. Its temperature range suits both cold and moderate climates.

Automotive vs Aerospace: Applications of 39581-39520XX Bearing
In automotive settings, 39581-39520XX Bearing supports drivetrain components with its combined load capability. The inch measurements align with many standard designs.

For aerospace ground equipment, 39581-39520XX Bearing’s reliability makes it useful in maintenance tools. However, its weight limits use in airborne applications.