TS (Single Row Tapered Roller Bearings) (Imperial) 558A-552

The 558A-552 is a single-row tapered roller bearing with a 2.375″ bore and 4.875″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 42900 lbf radially and 6590 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 ranging from -30°C to 110°C.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for industrial machinery or automotive systems where combined loads are common.

Weighing 4.7 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

Get A Free Quote

Description

Features

Application

Q&A

Product Parameters

Part Number 558A-552
Brand TFL
Interchangeable Timken
Size 2.375" x 4.875" x 1.5"
Bore Dia 2.375"
Bore Dia Tolerance +0.005" to 0
Outer Dia 4.875"
Outer Dia Tolerance +0.001" to 0
Cone Width 1.444"
Cone Width Tolerance +0.003" to -0.01
Cup Width 1.3125"
Cup Width Tolerance +0.002" to -0.01
Width 1.5"
Width Tolerance +0.008" to 0
Cone Backface ToClear Radius 0.14"
Cup Backface ToClear Radius 0.130"
Cone Frontface Backing Diameter 2.72"
Cone Backface Backing Diameter 2.99"
Cup Frontface Backing Diameter 4.60"
Cup Backface Backing Diameter 4.29"
Cage Cone Frontface Clearance 0.08"
Cage Cone Backface Clearance 0.07"
Effective Center Location -0.37"
System of Measurement Inch
Type Bearing
Cone Part Number 558A
Cup Part Number 552
Bearing Type Roller
Roller Bearing Type Tapered
For Load Direction Combined
Construction Single Row
Seal Type Open
Cups Type Standard
Series 555
Ring Material Chrome Steel
Roller Material Chrome Steel
Cage Material Steel
Dynamic Radial Load 42900 lbf
Static Radial Load 55700 lbf
Dynamic Radial Rating(90 Million Revolutions)(C90) 11100 lbf
Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 6590 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 4.7 lb

Features

How Is 558A-552 Bearing Engineered for Reliability?

558A-552 Bearing features chrome steel rings and rollers, ensuring strong resistance to combined loads.
Its dynamic radial load capacity reaches 42,900 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 conditions.

What Makes 558A-552 Bearing Suitable for High-Temperature Applications?

558A-552 Bearing operates effectively in temperatures ranging from -30° to 110°C.
Its chrome steel construction provides durability and stability under thermal stress.
The open design allows for easy lubrication, ensuring smooth performance in demanding environments.
This bearing is ideal for applications where temperature fluctuations are common.

Designed for Durability: 558A-552 Bearing

558A-552 Bearing is built with high-quality chrome steel for long-lasting performance.
Its tapered roller design efficiently handles both radial and thrust loads.
The standard radial clearance options offer flexibility for different operational needs.
With a static radial load capacity of 55,700 lbf, it ensures reliability in tough conditions.

Application

Industrial Uses of 558A-552 Bearing
558A-552 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in tough working conditions.

In automotive applications, 558A-552 Bearing fits well in wheel hubs and differential systems, providing reliable performance under both radial and thrust loads. Its inch sizing makes it a good match for American-made vehicles.

For industrial conveyor systems, 558A-552 Bearing’s open design allows for easy lubrication, extending its service life in high-load scenarios. The steel cage adds extra strength, making it suitable for continuous operation.

Where Is 558A-552 Bearing Used?
You’ll often find 558A-552 Bearing in mining equipment, where its ability to handle heavy radial and thrust loads is crucial. The standard radial clearance ensures smooth operation even under varying temperatures.

In power transmission systems, 558A-552 Bearing supports shafts and gears, thanks to its robust chrome steel rollers. The ABEC-1 rating makes it a practical choice for general industrial applications.

Built for Heavy-Duty Use: 558A-552 Bearing
558A-552 Bearing excels in applications like forklifts and cranes, where its single-row tapered rollers manage combined loads efficiently. The steel cage keeps everything in place, even under stress.

For railway applications, 558A-552 Bearing’s durability and temperature range make it a reliable choice for axle boxes. Its compatibility with Timken models adds to its versatility.

Automotive vs Aerospace: Applications of 558A-552 Bearing
In automotive settings, 558A-552 Bearing is ideal for drivetrain components, offering a balance of strength and precision. The inch measurements ensure easy integration with existing systems.

For aerospace ground equipment, 558A-552 Bearing provides dependable performance in load-handling devices. Its compliance with RoHS and REACH standards makes it suitable for environmentally sensitive areas.