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TS (Single Row Tapered Roller Bearings) (Imperial) 581-574

TS (Single Row Tapered Roller Bearings) (Imperial) 581-574

The 581-574 is a single-row tapered roller bearing with a 3.1875″ bore and 5.5115″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 46500 lbf radially and 8330 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 ranging from -30°C to 110°C.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for industrial machinery or automotive systems where combined loads are common.

Weighing 4.8 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 581-574
  • Brand TFL
  • Interchangeable Timken
  • Size 3.1875" x 5.5115" x 1.4375"
  • Bore Dia 3.1875"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 5.5115"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.4212"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.125"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.4375"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.02"
  • Cone Frontface Backing Diameter 4.32"
  • Cone Backface Backing Diameter 3.78"
  • Cup Frontface Backing Diameter 5.25"
  • Cup Backface Backing Diameter 5.04"
  • Cage Cone Frontface Clearance 0.1"
  • Cage Cone Backface Clearance 0.12"
  • Effective Center Location -0.21"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 581
  • Cup Part Number 574
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 575
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 46500 lbf
  • Static Radial Load 65400 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 12100 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 8330 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

Performance Features of 581-574 Bearing

581-574 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 46,500 lbf, ensuring reliable operation in heavy-duty applications.
The steel cage maintains roller alignment, reducing friction and extending service life.
With a temperature range of -30° to 110°C, it performs well in various environments.

How Is 581-574 Bearing Engineered for Reliability?

581-574 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 8,330 lbf makes it suitable for demanding industrial uses.
The bearing’s ABEC-1 rating confirms its precision and reliability.

Built for Durability: 581-574 Bearing

581-574 Bearing’s robust chrome steel components provide excellent wear resistance.
The tapered roller design efficiently distributes loads, minimising stress on individual components.
With a static radial load capacity of 65,400 lbf, it handles heavy loads with ease.
The open seal type allows for easy lubrication, maintaining optimal performance.

Steel vs Ceramic Bearings: Strengths of 581-574 Bearing

581-574 Bearing uses high-quality chrome steel for both rings and rollers, ensuring long-lasting performance.
The steel construction offers better impact resistance compared to ceramic alternatives in heavy-load scenarios.
Its standard radial clearance provides reliable operation without excessive maintenance.
The bearing’s weight of 4.8 lb reflects its sturdy build quality.

Application

Industrial Uses of 581-574 Bearing
The 581-574 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability even in demanding environments.

Where Is 581-574 Bearing Used?
You’ll often find 581-574 Bearing in automotive applications, particularly in wheel hubs and differential systems. Its precise inch sizing makes it a reliable choice for vehicles requiring robust load support.

Built for Heavy-Duty Use: 581-574 Bearing
In industrial settings, 581-574 Bearing excels in conveyor systems and gearboxes, thanks to its high dynamic radial load capacity. The open design allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 581-574 Bearing
While 581-574 Bearing is popular in automotive wheel assemblies, it’s also suitable for aerospace ground support equipment. Its ABEC-1 rating ensures consistent performance across different industries.

Perfect Fit for Automation: 581-574 Bearing
For automated production lines, 581-574 Bearing offers smooth operation in robotic arms and assembly systems. The steel cage provides stability, reducing maintenance needs over time.

Q&A

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