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457-452DC TDO (Two-Row Double-Outer Race) (Imperial)

457-452DC TDO (Two-Row Double-Outer Race) (Imperial)

The 457-452DC is a double-row tapered roller bearing with a 1.5625″ bore and 4.25″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 53100 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 ranging from -30°C to 110°C, making it versatile for various environments.

This model is part of the 455 series and comes with standard cups for easy installation. Ideal for heavy-duty applications like industrial machinery or vehicle axles where both radial and thrust loads are present.

Weighing 6.74 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 457-452DC
  • Brand TFL
  • Size 1.5625" x 4.25" x 1.1542"
  • Bore Dia 1.5625"
  • 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 2.05"
  • 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 457
  • 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 6.74 lb

Features

Performance Features of 457-452DC Bearing

457-452DC 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 Does 457-452DC Bearing Resist Wear?

457-452DC Bearing’s chrome steel construction enhances its resistance to wear and prolongs its service life.
The steel cage maintains roller alignment, reducing friction and preventing premature failure.
Its standard radial clearance options allow for flexibility in different operational environments.
This design ensures consistent performance even under high radial and thrust loads.

Engineered for Precision: 457-452DC Bearing

457-452DC Bearing features precise tolerances, with bore diameter tolerance of +0.005″ to 0.
The double-row design provides balanced load distribution, improving operational smoothness.
Its ABEC-1 rating ensures reliable performance for general industrial applications.
The bearing’s construction allows for easy lubrication, maintaining optimal performance over time.

Steel vs Ceramic Bearings: Strengths of 457-452DC Bearing

457-452DC Bearing uses chrome steel for both rings and rollers, offering excellent durability.
This material choice provides a cost-effective solution without compromising on strength.
The bearing’s dynamic radial rating of 13,800 lbf for two rows ensures long-lasting performance.
Its standard radial clearance makes it versatile for various industrial uses.

Application

Industrial Uses of 457-452DC Bearing
457-452DC 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.

In automotive applications, 457-452DC Bearing supports wheel hubs and drivetrains, providing reliable performance under varying loads. Its inch sizing makes it compatible with many North American vehicle models.

For industrial automation, 457-452DC Bearing is ideal for conveyor systems and robotic arms, where precision and load capacity are key. The open seal design allows for easy lubrication, extending its service life.

Where Is 457-452DC Bearing Used?
457-452DC Bearing finds its place in agricultural machinery, such as tractors and harvesters, due to its robust construction. The tapered roller design ensures smooth operation under heavy loads.

In material handling equipment, 457-452DC Bearing excels in forklifts and cranes, where its dynamic load rating is crucial. The steel cage adds extra strength, making it a dependable choice for long-term use.

Built for Heavy-Duty Use: 457-452DC Bearing
457-452DC Bearing is a go-to for mining equipment, where its ability to handle high radial and thrust loads is essential. The standard radial clearance offers flexibility for various applications.

In forestry machinery, 457-452DC Bearing provides reliable performance in log loaders and chippers. Its temperature range ensures stability even in extreme working conditions.

Automotive vs Aerospace: Applications of 457-452DC Bearing
In automotive systems, 457-452DC Bearing is often found in differentials and axles, offering balanced performance. The inch measurements make it a practical choice for many vehicle designs.

For aerospace ground equipment, 457-452DC Bearing supports heavy loads in aircraft tugs and loading systems. Its compliance with RoHS and REACH standards adds to its versatility.

Q&A

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