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TS (Single Row Tapered Roller Bearings) (Imperial) 558A-553A

TS (Single Row Tapered Roller Bearings) (Imperial) 558A-553A

The 558A-553A is a single-row tapered roller bearing with a 2.375″ bore and 4.9213″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 42900 lbf radially and 6590 lbf 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 from -30°C to 110°C, suitable for demanding environments.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for industrial machinery, gearboxes, 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, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 558A-553A
  • Brand TFL
  • Interchangeable Timken
  • Size 2.375" x 4.9213" x 1.5"
  • Bore Dia 2.375"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.9213"
  • 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 2.72"
  • 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 553A
  • 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

Performance Features of 558A-553A Bearing

558A-553A Bearing is constructed 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 maintains roller alignment, ensuring smooth operation and reduced wear.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Is 558A-553A Bearing Engineered for Reliability?

558A-553A Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction enhances durability, while the standard radial clearance allows for flexible use.
Its dynamic thrust rating of 6,590 lbf ensures consistent performance under pressure.
The bearing requires lubrication, but its robust design minimises maintenance needs.

Built for Durability: 558A-553A Bearing

558A-553A Bearing’s tapered roller design provides excellent load distribution, extending its service life.
The chrome steel materials resist wear, even in demanding industrial environments.
With a static radial load capacity of 55,700 lbf, it handles heavy loads with ease.
The open seal type allows for easy inspection and maintenance when needed.

Application

Industrial Uses of 558A-553A Bearing
558A-553A Bearing is commonly used in heavy machinery like construction equipment and mining gear, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in tough working conditions.

Where Is 558A-553A Bearing Used?
You’ll often find 558A-553A Bearing in automotive applications, particularly in wheel hubs and differential systems. Its precise imperial sizing makes it a reliable choice for older or specialty vehicles.

Built for Heavy-Duty Use: 558A-553A Bearing
558A-553A Bearing excels in industrial gearboxes, providing smooth operation under high radial and thrust loads. The steel cage adds extra strength, making it suitable for prolonged use in demanding environments.

Automotive vs Aerospace: Applications of 558A-553A Bearing
In automotive systems, 558A-553A Bearing supports heavy loads in drivetrains, while its precision also suits aerospace components like landing gear mechanisms. The open design allows for easy lubrication and maintenance.

Key Fields for 558A-553A Bearing
558A-553A Bearing is ideal for agricultural machinery, where its robust design handles dirt and debris without compromising performance. The standard radial clearance ensures consistent operation in varying temperatures.

Q&A

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