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TS (Single Row Tapered Roller Bearings) (Imperial) 554-552A

TS (Single Row Tapered Roller Bearings) (Imperial) 554-552A

The 554-552A is a single-row tapered roller bearing with a 2.4375″ bore and 4.875″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 42900 lbf radially and 6590 lbf thrust, suitable for demanding applications.

Its open design and steel cage ensure durability, while the tapered rollers provide smooth operation under heavy loads. The bearing requires regular lubrication and works in temperatures from -30°C to 110°C.

This model is interchangeable with Timken bearings, making it a practical choice for replacements. Ideal for use in gearboxes, axles, or industrial machinery where combined loads are common.

Weighing 4.5 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a reliable option for various industrial needs.

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Product Parameters

  • Part Number 554-552A
  • Brand TFL
  • Interchangeable Timken
  • Size 2.4375" x 4.875" x 1.5"
  • Bore Dia 2.4375"
  • 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 2.8"
  • Cone Backface Backing Diameter 3.03"
  • 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 554
  • 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 4.5 lb

Features

Performance Features of 554-552A Bearing

554-552A 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, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various environments.

554-552A Bearing’s standard radial clearance allows for smooth operation and easy installation.
Its ABEC-1 rating ensures consistent performance for general industrial use.

Application

Essential Roles of 554-552A Bearing
554-552A Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability in tough working conditions.

In automotive applications, 554-552A Bearing supports axle systems and wheel hubs, providing reliable performance under high radial and thrust loads. Its inch sizing makes it a good fit for North American vehicle models.

For industrial conveyor systems, 554-552A Bearing’s open design allows for easy lubrication, extending service life in continuous operation. The steel cage adds stability, reducing wear over time.

Where Is 554-552A Bearing Used?
554-552A Bearing finds its place in mining equipment, where its robust design withstands heavy loads and harsh environments. The standard radial clearance ensures smooth operation even under stress.

In power transmission systems, 554-552A Bearing helps reduce friction in gearboxes and driveshafts. Its ABEC-1 rating balances precision and cost-effectiveness for general industrial use.

Built for Heavy-Duty Use: 554-552A Bearing
554-552A Bearing is ideal for forestry machinery, where its tapered rollers manage uneven loads and shocks. The chrome steel rollers resist wear, even in dusty or wet conditions.

In material handling equipment, 554-552A Bearing’s single-row design simplifies installation and maintenance. The open seal type allows for easy inspection and relubrication during service intervals.

Automotive vs Aerospace: Applications of 554-552A Bearing
554-552A Bearing is widely used in truck axles, where its combined load capacity handles both radial and thrust forces. The inch measurements align with standard automotive components.

In aerospace ground support equipment, 554-552A Bearing provides reliable performance for loading systems and maintenance tools. Its temperature range suits both indoor and outdoor applications.

Q&A

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