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554-552DC TDO (Two-Row Double-Outer Race) (Imperial)

554-552DC TDO (Two-Row Double-Outer Race) (Imperial)

The 554-552DC is a double-row tapered roller bearing with a 2.4375″ bore and 4.875″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 74700 lbf and is designed for long-lasting performance in demanding conditions.

Its open design allows easy lubrication, while the steel cage ensures smooth operation. The bearing works well in temperatures from -30°C to 110°C, making it versatile for various environments.

This model features a standard radial clearance and is ABEC-1 rated for reliable precision. Ideal for heavy-duty applications like industrial gearboxes or construction equipment where robust load capacity is needed.

Weighing 9.09 lb, it’s a solid choice for machinery requiring durability and consistent performance. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 554-552DC
  • Brand TFL
  • Size 2.4375" x 4.875" x 1.444"
  • Bore Dia 2.4375"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.875"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 2.5"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 1.444"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 3.1249"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.06"
  • Cone Backface Backing Diameter 3.03"
  • Cup Frontface Backing Diameter 4.56"
  • Cage Cone Backface Clearance 0.07"
  • Dynamic Radial Load 74700 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 554
  • Cup Part Number 552DC
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 555
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 11100 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 6590 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 19400 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 9.09 lb

Features

Performance Features of 554-552DC Bearing

554-552DC Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 74,700 lbf, ensuring reliable performance in heavy-duty applications.
The double-row tapered roller design provides stability and reduces wear over time.
With a temperature range of -30° to 110°C, it performs well in various environments.

How Does 554-552DC Bearing Handle Combined Loads?

554-552DC Bearing’s double-row tapered roller construction efficiently manages both radial and thrust loads.
The chrome steel components enhance durability, while the steel cage maintains roller alignment.
Its dynamic thrust rating of 6,590 lbf ensures smooth operation under pressure.
The standard radial clearance options allow for flexibility in different applications.

Engineered for Reliability: 554-552DC Bearing

554-552DC Bearing features precise tolerances, with bore diameter tolerance of +0.005″ to 0.
The chrome steel rollers and rings provide long-lasting performance in demanding conditions.
Its double-row design distributes loads evenly, reducing stress on individual components.
The open seal type allows for easy lubrication and maintenance.

Steel vs Ceramic Bearings: Strengths of 554-552DC Bearing

554-552DC Bearing uses chrome steel for both rollers and rings, ensuring high strength and durability.
The steel cage keeps rollers in place, maintaining smooth operation under heavy loads.
With a dynamic radial rating of 19,400 lbf for two rows, it handles demanding applications.
The standard ABEC-1 rating ensures consistent performance in industrial settings.

Application

Industrial Uses of 554-552DC Bearing
554-552DC Bearing is commonly used in heavy machinery like construction equipment, where its double-row design handles combined radial and thrust loads efficiently. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, 554-552DC Bearing supports wheel hubs and differential systems, providing reliable performance under varying loads. Its inch sizing makes it a good fit for American and British vehicle models.

For industrial automation, 554-552DC Bearing’s tapered roller design offers smooth operation in conveyor systems and robotic arms. The open seal type allows for easy lubrication, extending its service life.

Where Is 554-552DC Bearing Used?
You’ll often find 554-552DC Bearing in agricultural machinery, where its robust design handles rough terrain and heavy loads. The standard radial clearance ensures consistent performance over time.

In mining equipment, 554-552DC Bearing’s high dynamic radial load capacity makes it ideal for crushers and screens. The steel cage adds extra strength, reducing wear in abrasive conditions.

Built for Heavy-Duty Use: 554-552DC Bearing
554-552DC Bearing excels in forestry equipment, where its combined load capacity handles the stresses of log handling. The ABEC-1 rating ensures reliable precision for these tough applications.

In material handling systems, 554-552DC Bearing’s double-row construction provides stability for heavy loads. The inch measurements make it easy to replace in existing setups.

Automotive vs Aerospace: Applications of 554-552DC Bearing
In automotive systems, 554-552DC Bearing is trusted for drivetrain components due to its balanced load handling. The temperature range suits both cold and hot operating conditions.

For aerospace ground equipment, 554-552DC Bearing’s reliability makes it suitable for cargo loaders and maintenance tools. Its compliance with RoHS and REACH standards ensures environmental safety.

Q&A

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