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

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

The 455A-452DC is a double-row tapered roller bearing with a 1.5-inch bore and 4.25-inch outer diameter, built from sturdy chrome steel. It handles combined loads, with a dynamic radial capacity of 53100 lbf and a thrust rating of 4540 lbf per row.

Its open design allows for easy lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures ranging from -30°C to 110°C, making it versatile for various conditions.

This model is part of the 455 series, featuring standard cups and a tapered roller design for reliable performance. Ideal for heavy-duty applications like industrial gearboxes or machinery where combined loads are common.

Weighing 6.82 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for most industrial environments. The ABEC-1 rating ensures consistent performance for general applications.

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Product Parameters

  • Part Number 455A-452DC
  • Brand TFL
  • Size 1.5" x 4.25" x 1.1542"
  • Bore Dia 1.5"
  • 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 2.2"
  • 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 455A
  • 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 6.82 lb

Features

Performance Features of 455A-452DC Bearing

455A-452DC Bearing is built with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 53,100 lbf, making it suitable for heavy-duty applications.
The double-row tapered roller design ensures stability and efficient load distribution.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Is 455A-452DC Bearing Engineered for Reliability?

455A-452DC Bearing features a steel cage that maintains roller alignment, reducing friction and wear.
The standard radial clearance options provide flexibility for different operational needs.
Its ABEC-1 rating ensures consistent precision in performance.
The open seal design allows for easy lubrication, enhancing longevity.

Built for Durability: 455A-452DC Bearing

455A-452DC Bearing’s chrome steel construction resists wear, even under high radial and thrust loads.
The double-row design increases load capacity while maintaining compact dimensions.
It operates efficiently within a wide temperature range, from -30° to 110°C.
The bearing’s standard cup type simplifies installation and maintenance.

Steel vs Ceramic Bearings: Strengths of 455A-452DC Bearing

455A-452DC Bearing uses chrome steel for both rings and rollers, ensuring strength and durability.
Its dynamic radial load rating of 53,100 lbf makes it ideal for heavy industrial use.
The tapered roller design provides excellent load distribution and reduces stress.
With a weight of 6.82 lb, it balances robustness and practicality.

Application

Industrial Uses of 455A-452DC Bearing
The 455A-452DC Bearing is commonly used in heavy machinery, such as construction equipment and mining tools, where its double-row design handles combined radial and thrust loads effectively.
Its chrome steel construction ensures durability in harsh environments, making it a reliable choice for long-term use.

Where Is 455A-452DC Bearing Used?
In automotive applications, the 455A-452DC Bearing supports wheel hubs and drivetrains, providing stability under heavy loads.
The inch sizing makes it compatible with many North American vehicle models, simplifying maintenance and replacements.

Built for Heavy-Duty Use: 455A-452DC Bearing
This bearing excels in industrial gearboxes, where its tapered roller design manages high-speed rotations smoothly.
The open seal type allows for easy lubrication, ensuring consistent performance even in demanding conditions.

Automotive vs Aerospace: Applications of 455A-452DC Bearing
In automotive systems, the 455A-452DC Bearing is ideal for axles and transmissions, offering robust load capacity.
For aerospace, its precision and reliability make it suitable for landing gear and other critical components.

Practical Applications of 455A-452DC Bearing
The 455A-452DC Bearing is often found in agricultural machinery, such as tractors and harvesters, where its strength and durability are essential.
Its standard radial clearance options provide flexibility for various operational needs.

Q&A

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