TS (Single Row Tapered Roller Bearings) (Imperial) 555-552A

The 555-552A is a single-row tapered roller bearing with a 2″ bore and 4.875″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 42900 lbf radially and 6590 lbf thrust, making it robust for heavy-duty use.

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

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

Weighing 5.1 lb, it’s sturdy yet manageable for its size. Compliant with RoHS and REACH standards, ensuring safe and eco-friendly use.

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Description

Features

Application

Q&A

Product Parameters

Part Number 555-552A
Brand TFL
Interchangeable Timken
Size 2" x 4.875" x 1.5"
Bore Dia 2"
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 1.1875"
Cup Width Tolerance +0.002" to -0.01
Width 1.5"
Width Tolerance +0.008" to 0
Cone Backface ToClear Radius 0.09"
Cup Backface ToClear Radius 0.130"
Cone Frontface Backing Diameter 2.44"
Cone Backface Backing Diameter 2.6"
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 555
Cup Part Number 552A
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 5.1 lb

Features

Performance Features of 555-552A Bearing

555-552A Bearing is built with chrome steel rings and rollers, offering strong resistance to combined 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 wear.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Is 555-552A Bearing Engineered for Reliability?

555-552A Bearing features a single-row tapered roller design, providing stability under combined loads.
The chrome steel construction resists wear, ensuring a longer service life.
Its dynamic thrust rating of 6,590 lbf allows for efficient performance in demanding settings.
The standard radial clearance options offer flexibility for different applications.

Designed for Durability: 555-552A Bearing

555-552A Bearing’s robust construction handles both radial and thrust loads with ease.
The precise tolerances on bore and outer diameters ensure a perfect fit during installation.
Its steel cage maintains roller alignment, reducing friction and extending bearing life.
With an ABEC-1 rating, it balances precision and cost-effectiveness.

Steel vs Ceramic Bearings: Strengths of 555-552A Bearing

555-552A Bearing uses chrome steel for both rings and rollers, providing excellent strength.
This material choice makes it more cost-effective than ceramic options for many applications.
The bearing’s 55,700 lbf static radial load capacity ensures reliability under heavy loads.
Its standard lubrication requirement simplifies maintenance compared to specialised ceramic bearings.

Application

Industrial Uses of 555-552A Bearing
555-552A Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, 555-552A Bearing fits well in wheel hubs and drivetrains, providing reliable performance under radial and thrust loads. Its imperial sizing makes it a straightforward replacement for Timken equivalents in older vehicles.

For industrial conveyor systems, 555-552A Bearing’s open design allows easy lubrication, extending service life in high-load scenarios. The steel cage adds stability, making it suitable for continuous operation.

What Makes 555-552A Bearing a Preferred Choice?
555-552A Bearing stands out in mining equipment due to its ability to withstand heavy radial and axial forces. The standard radial clearance options offer flexibility for different operational needs.

In forestry machinery, 555-552A Bearing’s robust design ensures smooth performance under uneven loads. The ABEC-1 rating provides a balance of precision and cost-effectiveness for these applications.