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

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

The 455A-452D is a two-row tapered roller bearing with a 1.5″ 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 offers balanced load distribution, 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 6.82 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it meets ABEC-1 precision requirements for reliable operation.

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Product Parameters

  • Part Number 455A-452D
  • 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 452D
  • 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

How Does 455A-452D Bearing Handle Combined Loads?

455A-452D Bearing features a double-row tapered roller design, providing strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 53,100 lbf, ensuring reliable performance in demanding applications.
The chrome steel construction enhances durability, while the steel cage maintains roller alignment.
With a temperature range of -30° to 110°C, it performs well in various operating conditions.

Why Choose 455A-452D Bearing for Heavy-Duty Applications?

455A-452D Bearing is built with precision tolerances, offering consistent performance under combined loads.
The double-row design distributes stress evenly, extending the bearing’s service life.
Its chrome steel rollers and rings provide excellent wear resistance, reducing maintenance needs.
The open seal type allows for easy lubrication, ensuring smooth operation.

Engineered for Reliability: 455A-452D Bearing

455A-452D Bearing’s tapered roller design ensures efficient load distribution across both rows.
The steel cage keeps rollers in place, minimising friction and wear.
With a dynamic radial rating of 13,800 lbf for two rows, it handles heavy loads with ease.
Its standard radial clearance options (C3/C4/C5) offer flexibility for different applications.

Structural Advantages of 455A-452D Bearing

455A-452D Bearing’s double-cup construction provides stability and alignment in demanding setups.
The chrome steel components resist wear, ensuring long-term reliability.
Its ABEC-1 rating guarantees consistent precision for industrial use.
The bearing’s wide temperature range makes it suitable for diverse environments.

Performance Features of 455A-452D Bearing

455A-452D Bearing combines high load capacity with efficient roller alignment.
The tapered roller design reduces friction, enhancing operational smoothness.
Its dynamic thrust rating of 4,540 lbf ensures reliable performance under axial loads.
The open design simplifies maintenance, keeping operational costs low.

Application

Industrial Uses of 455A-452D Bearing
The 455A-452D 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 effectively. Its chrome steel construction ensures durability in demanding environments.

In automotive applications, 455A-452D Bearing supports wheel hubs and differential systems, providing reliable performance under varying loads. The inch sizing makes it a preferred choice for North American vehicle models.

For industrial automation, 455A-452D Bearing’s tapered roller design offers precision in conveyor systems and robotic arms. The open seal type allows for easy lubrication, extending its service life in high-use scenarios.

Where Is 455A-452D Bearing Used?
You’ll often find 455A-452D Bearing in agricultural machinery, where its robust design withstands harsh conditions like dust and moisture. The standard radial clearance ensures smooth operation even under heavy loads.

In material handling systems, 455A-452D Bearing’s two-row configuration provides stability for lifting equipment. The steel cage enhances its resistance to wear, making it a reliable choice for long-term use.

Built for Heavy-Duty Use: 455A-452D Bearing
The 455A-452D Bearing excels in forestry equipment, handling uneven loads with ease. Its ABEC-1 rating ensures consistent performance without the need for high precision.

For railway applications, 455A-452D Bearing’s tapered rollers manage dynamic loads in wheel assemblies. The chrome steel rollers and rings offer excellent wear resistance, reducing maintenance needs.

Automotive vs Aerospace: Applications of 455A-452D Bearing
In automotive settings, 455A-452D Bearing is ideal for drivetrain components, balancing radial and thrust loads efficiently. The inch measurements simplify integration into existing systems.

For aerospace ground support equipment, 455A-452D Bearing’s durability ensures reliable performance in load-handling tasks. The temperature range of -30° to 110°C suits various operational conditions.

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