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

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

The 555-S-552A is a single-row tapered roller bearing with a 2.25″ bore and 4.875″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 50800 lbf and is designed for smooth operation in various conditions.

Its open design allows easy lubrication, while the steel cage ensures durability. The bearing works well 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-duty applications like axles or gearboxes where combined loads are common.

Weighing 4.8 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe use.

The standard radial clearance and ABEC-1 rating ensure reliable performance. Suitable for industrial machinery requiring consistent load handling.

Its tapered roller design provides stability under heavy loads. Perfect for applications needing long-lasting durability and ease of maintenance.

The bearing’s effective center location enhances alignment. A dependable choice for engineering and maintenance tasks.

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Product Parameters

  • Part Number 555-S-552A
  • Brand TFL
  • Interchangeable Timken
  • Size 2.25" x 4.875" x 1.5"
  • Bore Dia 2.25"
  • 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 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 2.76"
  • 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 555-S
  • 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 50800 lbf
  • Static Radial Load 55700 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 13200 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 7810 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 4.8 lb

Features

How Does 555-S-552A Bearing Handle Combined Loads?

555-S-552A Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 50,800 lbf, ensuring reliable performance in 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 well in various environments.

Why Choose 555-S-552A Bearing for Precision Tasks?

555-S-552A Bearing features precise cone and cup width tolerances, ensuring accurate alignment in machinery.
Its chrome steel construction provides durability, while the open design allows for easy lubrication.
The bearing’s effective center location enhances stability during operation.
With an ABEC-1 rating, it balances precision and cost-effectiveness.

Engineered for Reliability: 555-S-552A Bearing

555-S-552A Bearing’s single-row tapered roller design efficiently manages combined loads.
The chrome steel rollers and rings resist wear, maintaining performance over time.
Its standard radial clearance options (C3/C4/C5) allow for flexibility in different applications.
Weighing 4.8 lb, it offers a robust yet manageable solution for industrial use.

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

555-S-552A Bearing uses chrome steel for both rollers and rings, providing excellent strength and durability.
This material choice ensures reliable performance under high dynamic radial loads up to 50,800 lbf.
The steel cage adds structural integrity while maintaining smooth roller movement.
Unlike ceramic options, this bearing offers a cost-effective solution without compromising on quality.

Performance Features of 555-S-552A Bearing

555-S-552A Bearing operates efficiently within a wide temperature range from -30° to 110°C.
Its dynamic thrust rating of 7,810 lbf (Ca90) ensures stable performance under axial loads.
The bearing’s standard radial clearance makes it versatile for various industrial applications.
With proper lubrication, it delivers consistent performance throughout its service life.

Application

Industrial Uses of 555-S-552A Bearing
555-S-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-S-552A Bearing fits well in truck wheel hubs and differential systems, providing reliable performance under varying loads. Its inch sizing makes it a straightforward replacement for Timken equivalents.

For industrial conveyor systems, 555-S-552A Bearing’s open design simplifies lubrication and maintenance, extending service life. The steel cage adds robustness, making it suitable for high-load scenarios.

What Makes 555-S-552A Bearing a Preferred Choice?
555-S-552A Bearing stands out in applications like mining machinery, where its dynamic radial load capacity of 50,800 lbf ensures stability. The standard radial clearance offers flexibility for different operational needs.

In wind turbine gearboxes, 555-S-552A Bearing’s tapered rollers manage both radial and thrust loads effectively. Its temperature range of -30° to 110°C makes it adaptable to various climates.

Built for Heavy-Duty Use: 555-S-552A Bearing
555-S-552A Bearing excels in railway axle boxes, where its robust design handles constant vibrations and heavy loads. The ABEC-1 rating balances precision and cost-effectiveness for such applications.

For pulp and paper processing equipment, 555-S-552A Bearing’s steel cage and chrome steel rollers resist wear from harsh chemicals. Its easy interchangeability with Timken models simplifies sourcing.

Light-Duty vs Heavy-Duty: Best Uses for 555-S-552A Bearing
In light-duty applications like small industrial pumps, 555-S-552A Bearing provides reliable performance without over-engineering. Its standard radial clearance ensures smooth operation.

For heavy-duty uses like steel mill rollers, 555-S-552A Bearing’s high static radial load capacity (55,700 lbf) prevents deformation under extreme pressure. The inch measurements align with North American machinery standards.

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