TS (Single Row Tapered Roller Bearings) (Imperial) 557A-553X

The 557A-553X is a single-row tapered roller bearing with a 2.375″ bore and 4.8125″ outer diameter, crafted from robust chrome steel. It handles combined loads up to 42900 lbf radially and 6590 lbf thrust, making it suitable for heavy-duty applications.

Its open design allows for easy lubrication, while the steel cage ensures durability under high stress. 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 use in industrial machinery, gearboxes, or automotive systems where combined loads are common.

Weighing 4.3 lb, it’s built to last while maintaining a manageable size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Description

Features

Application

Q&A

Product Parameters

Part Number 557A-553X
Brand TFL
Interchangeable Timken
Size 2.375" x 4.8125" x 1.5"
Bore Dia 2.375"
Bore Dia Tolerance +0.005" to 0
Outer Dia 4.8125"
Outer Dia Tolerance +0.001" to 0
Cone Width 1.444"
Cone Width Tolerance +0.003" to -0.01
Cup Width 1.1875"
Cup Width Tolerance +0.002" to -0.01
Width 1.5"
Width Tolerance +0.008" to 0
Cone Backface ToClear Radius 0.310"
Cup Backface ToClear Radius 0.130"
Cone Frontface Backing Diameter 2.72"
Cone Backface Backing Diameter 3.31"
Cup Frontface Backing Diameter 4.56"
Cup Backface Backing Diameter 4.25"
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 557A
Cup Part Number 553X
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 4.3 lb

Features

How Does 557A-553X Bearing Handle Combined Loads?

557A-553X Bearing is built with chrome steel rings and rollers, offering robust performance under combined radial and thrust loads.
Its dynamic radial load capacity reaches 42,900 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 operating conditions.

What Makes 557A-553X Bearing Suitable for Heavy-Duty Applications?

557A-553X Bearing features a single-row tapered roller design, optimised for handling high radial and thrust loads.
The chrome steel construction provides excellent strength and resistance to wear.
Its standard radial clearance ensures smooth operation, while the steel cage maintains roller positioning.
This bearing is interchangeable with Timken models, offering flexibility in replacement options.

Engineered for Precision: 557A-553X Bearing

557A-553X Bearing’s precise cone and cup dimensions ensure accurate alignment in assembly.
The tapered roller design distributes loads evenly, reducing stress on individual components.
With an ABEC-1 rating, it meets standard precision requirements for industrial applications.
Its effective centre location of -0.37″ contributes to stable performance under load.

Application

Industrial Uses of 557A-553X Bearing
The 557A-553X Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads effortlessly. Its chrome steel construction ensures durability even in demanding environments.

Where Is 557A-553X Bearing Used?
You’ll often find the 557A-553X Bearing in automotive applications, particularly in wheel hubs and differential systems. Its precise imperial sizing makes it a reliable choice for older or custom vehicle models.

Built for Heavy-Duty Use: 557A-553X Bearing
The 557A-553X Bearing excels in industrial fans and conveyor systems, thanks to its robust steel cage and high dynamic load capacity. Its open design simplifies lubrication, extending service life in continuous operations.

Automotive vs Aerospace: Applications of 557A-553X Bearing
In automotive settings, the 557A-553X Bearing supports drivetrain components, while its aerospace use is limited due to weight constraints. Its ABEC-1 rating balances performance and cost for general industrial needs.

Key Fields for 557A-553X Bearing
The 557A-553X Bearing is ideal for mining equipment, where its tapered rollers manage radial and thrust loads efficiently. The standard radial clearance option accommodates varying operational temperatures.