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558-552DC TDO (Two-Row Double-Outer Race) (Imperial)

558-552DC TDO (Two-Row Double-Outer Race) (Imperial)

The 558-552DC is a double-row tapered roller bearing with a 2.375″ bore and 4.875″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 88500 lbf and is designed for long-lasting performance.

Its open design allows for 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 conditions.

This model is part of the 555 series and comes with standard cups for easy installation. Ideal for heavy-duty applications like industrial gearboxes or construction equipment where high radial and thrust loads are common.

Weighing 9.32 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a reliable choice for replacements or new installations.

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Product Parameters

  • Part Number 558-552DC
  • Brand TFL
  • Size 2.375" x 4.875" x 1.444"
  • Bore Dia 2.375"
  • 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 2.99"
  • Cup Frontface Backing Diameter 4.56"
  • Cage Cone Backface Clearance 0.07"
  • Dynamic Radial Load 88500 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 558
  • 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) 13200 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 7810 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 22900 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 9.32 lb

Features

How Is 558-552DC Bearing Engineered for Reliability?

558-552DC Bearing features a double-row tapered roller design, providing strong resistance to combined radial and thrust loads.
Its chrome steel construction ensures durability, with a dynamic radial load capacity of 88,500 lbf.

The precision-engineered cage keeps rollers aligned, reducing friction and extending service life.
With a standard radial clearance, it offers reliable performance in various industrial applications.

Built to withstand temperatures from -30° to 110°C, 558-552DC Bearing performs consistently in demanding conditions.
Its open design allows for easy lubrication, ensuring smooth operation over time.

Application

Industrial Uses of 558-552DC Bearing
558-552DC 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.

What Makes 558-552DC Bearing a Preferred Choice?
In automotive applications, 558-552DC Bearing supports wheel hubs and drivetrains, offering reliable performance under high loads. Its inch sizing makes it compatible with many North American vehicle models.

Built for Heavy-Duty Use: 558-552DC Bearing
For industrial conveyors, 558-552DC Bearing provides smooth operation with its tapered roller design. The open seal type allows for easy lubrication, extending service life in continuous-use settings.

Automotive vs Aerospace: Applications of 558-552DC Bearing
In automotive systems, 558-552DC Bearing excels in axle assemblies, while its robust design also suits aerospace landing gear components. The steel cage adds strength for high-impact scenarios.

Where Is 558-552DC Bearing Used?
You’ll find 558-552DC Bearing in agricultural machinery, where its standard radial clearance ensures consistent performance. The ABEC-1 rating balances precision and cost-effectiveness for farm equipment.

Q&A

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