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TS (Single Row Tapered Roller Bearings) (Imperial) 5578-5520

TS (Single Row Tapered Roller Bearings) (Imperial) 5578-5520

The 5578-5520 is a single-row tapered roller bearing with a 2.125″ bore and 4.7343″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 53200 lbf radially and 8460 lbf thrust, suitable for demanding applications.

Its open design allows for easy lubrication, while the steel cage ensures durability under heavy use. The bearing operates smoothly 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 use in gearboxes, axles, or industrial machinery where combined loads are common.

Weighing 5.5 lb, it offers a robust yet manageable size. Compliant with RoHS and REACH standards for safe and reliable performance.

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Product Parameters

  • Part Number 5578-5520
  • Brand TFL
  • Interchangeable Timken
  • Size 2.125" x 4.7343" x 1.7499"
  • Bore Dia 2.125"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.7343"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.723"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.4375"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.7499"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 2.64"
  • Cone Backface Backing Diameter 2.87"
  • Cup Frontface Backing Diameter 4.56"
  • Cup Backface Backing Diameter 4.13"
  • Cage Cone Frontface Clearance 0.08"
  • Cage Cone Backface Clearance 0.07"
  • Effective Center Location -0.48"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 5578
  • Cup Part Number 5520
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 5500
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 53200 lbf
  • Static Radial Load 73500 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 13800 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 8460 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 5.5 lb

Features

Performance Features of 5578-5520 Bearing

5578-5520 Bearing is crafted with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 53,200 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.

How Is 5578-5520 Bearing Engineered for Reliability?

5578-5520 Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction enhances durability, while the standard radial clearance ensures smooth operation.
Its dynamic thrust rating of 8,460 lbf at 90 million revolutions highlights long-term reliability.
The open seal type allows for easy lubrication, maintaining performance over time.

Built for Durability: 5578-5520 Bearing

5578-5520 Bearing’s tapered roller design efficiently manages both radial and thrust loads.
The chrome steel components resist wear, ensuring a longer service life even under stress.
With an ABEC-1 rating, it balances precision and affordability for industrial applications.
Its standard radial clearance options provide flexibility for different operational needs.

Steel vs Ceramic Bearings: Strengths of 5578-5520 Bearing

5578-5520 Bearing uses chrome steel for both rollers and rings, offering cost-effective durability.
The steel cage design ensures stable roller movement, reducing maintenance requirements.
With a static radial load capacity of 73,500 lbf, it handles heavy loads reliably.
The inch-sized dimensions make it compatible with a wide range of industrial equipment.

Application

Industrial Uses of 5578-5520 Bearing
5578-5520 Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability in rugged environments.

Where Is 5578-5520 Bearing Used?
You’ll often find 5578-5520 Bearing in automotive applications, such as wheel hubs and differential systems. Its inch sizing makes it a reliable choice for American-made vehicles.

Built for Heavy-Duty Use: 5578-5520 Bearing
5578-5520 Bearing excels in industrial gearboxes, thanks to its high dynamic radial load capacity. The steel cage adds stability, even under continuous operation.

Automotive vs Aerospace: Applications of 5578-5520 Bearing
In automotive systems, 5578-5520 Bearing supports high-load components like axles. While not typically used in aerospace, its precision suits demanding industrial roles.

Practical Applications of 5578-5520 Bearing
5578-5520 Bearing is ideal for conveyor systems, where its tapered rollers manage both radial and thrust loads. The open design simplifies lubrication and maintenance.

Q&A

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