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559-552DC TDO (Two-Row Double-Outer Race) (Imperial)

559-552DC TDO (Two-Row Double-Outer Race) (Imperial)

The 559-552DC is a double-row tapered roller bearing with a 2.5″ 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 in demanding conditions.

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 environments.

This model is part of the 555 series, offering reliable radial and thrust load capacity. Ideal for heavy-duty applications like industrial machinery or vehicle axles where durability is key.

Weighing 8.91 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and sustainable use.

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Product Parameters

  • Part Number 559-552DC
  • Brand TFL
  • Size 2.5" x 4.875" x 1.444"
  • Bore Dia 2.5"
  • 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 3.19"
  • 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 559
  • 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 8.91 lb

Features

Performance Features of 559-552DC Bearing

559-552DC Bearing is built with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 88,500 lbf, making it suitable for heavy-duty applications.

The double-row tapered roller design ensures stability and efficient load distribution.
With a standard radial clearance, it provides reliable operation in various conditions.

559-552DC Bearing operates within a temperature range of -30° to 110°C, ensuring versatility.
Its steel cage maintains roller alignment, reducing wear and extending service life.

The open seal design allows for easy lubrication, enhancing maintenance efficiency.
This bearing is ABEC-1 rated, balancing precision and durability for industrial use.

Application

Industrial Uses of 559-552DC Bearing
559-552DC 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.

Where Is 559-552DC Bearing Used?
You’ll often find 559-552DC Bearing in agricultural machinery, supporting components like gearboxes and wheel hubs. Its inch sizing makes it a reliable choice for North American equipment manufacturers.

Built for Heavy-Duty Use: 559-552DC Bearing
559-552DC Bearing excels in mining applications, where its tapered roller design manages high dynamic loads. The open seal type allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 559-552DC Bearing
In automotive systems, 559-552DC Bearing supports axle assemblies, while in aerospace, it’s used in landing gear for its robust load capacity. The steel cage adds stability under varying temperatures.

Key Fields for 559-552DC Bearing
559-552DC Bearing is ideal for industrial fans and pumps, where its ABEC-1 rating ensures smooth operation. The standard radial clearance offers flexibility for different installation requirements.

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