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455W-452DC TDO (Two-Row Double-Outer Race) (Imperial)

455W-452DC TDO (Two-Row Double-Outer Race) (Imperial)

The 455W-452DC is a two-row tapered roller bearing with a 2″ bore and 4.25″ outer diameter, built from sturdy chrome steel for long-lasting performance. It handles combined loads with a dynamic radial capacity of 53,100 lbf and operates smoothly in temperatures from -30°C to 110°C.

Its double-row design provides extra stability, while the open seal allows for easy lubrication. The steel cage ensures durability, making it suitable for heavy-duty applications.

This bearing is ideal for industrial machinery or automotive systems where high radial and thrust loads are common. It comes in standard radial clearance but is also available in C3, C4, or C5 options for specific needs.

Weighing 5.83 lb, it’s a robust choice for demanding environments. Compliant with RoHS and REACH standards, it meets international safety requirements.

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Product Parameters

  • Part Number 455W-452DC
  • Brand TFL
  • Size 2" x 4.25" x 1.1542"
  • Bore Dia 2"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.25"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 2.125"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 1.1542"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 2.5625"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 2.36"
  • Cup Frontface Backing Diameter 3.96"
  • Cage Cone Backface Clearance 0.07"
  • Dynamic Radial Load 53100 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 455W
  • Cup Part Number 452DC
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 455
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 7900 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 4540 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 13800 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 5.83 lb

Features

How Does 455W-452DC Bearing Handle Combined Loads?

455W-452DC Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 53,100 lbf, ensuring reliable performance in demanding applications.

The double-row tapered roller design of 455W-452DC Bearing enhances load distribution, reducing wear and extending service life.
With a temperature range of -30° to 110°C, it performs well in various operating conditions.

455W-452DC Bearing’s steel cage keeps the rollers aligned, maintaining smooth operation under heavy loads.
Its standard radial clearance options provide flexibility for different installation requirements.

Application

Industrial Uses of 455W-452DC Bearing
The 455W-452DC Bearing is commonly used in heavy machinery, such as construction equipment and mining vehicles, where its double-row design handles combined radial and thrust loads efficiently. Its chrome steel construction ensures durability in demanding environments.

Where Is 455W-452DC Bearing Used?
You’ll often find the 455W-452DC Bearing in agricultural machinery, like tractors and harvesters, where its robust design supports high loads and rough terrain. The open seal type allows for easy lubrication, extending its service life.

Built for Heavy-Duty Use: 455W-452DC Bearing
In industrial gearboxes, the 455W-452DC Bearing provides reliable performance, thanks to its tapered roller design and standard radial clearance. Its inch sizing makes it a versatile choice for American-made equipment.

Automotive vs Aerospace: Applications of 455W-452DC Bearing
In automotive applications, the 455W-452DC Bearing is ideal for wheel hubs and differentials, offering stability under heavy loads. For aerospace, its precision and temperature tolerance make it suitable for auxiliary systems.

Practical Applications of 455W-452DC Bearing
The 455W-452DC Bearing works well in conveyor systems, where its double-row construction handles both radial and axial forces smoothly. Its steel cage adds extra strength for continuous operation.

Q&A

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