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456-452D TDO (Two-Row Double-Outer Race) (Imperial)

456-452D TDO (Two-Row Double-Outer Race) (Imperial)

The 456-452D is a two-row tapered roller bearing with a 2.125″ bore and 4.25″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 62900 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 double-row design provides extra stability and load capacity, ideal for heavy machinery or industrial equipment. With standard radial clearance and ABEC-1 rating, it offers reliable precision for most applications.

Weighing 5.64 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for modern engineering needs.

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Product Parameters

  • Part Number 456-452D
  • Brand TFL
  • Size 2.125" x 4.25" x 1.1542"
  • Bore Dia 2.125"
  • 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 2.68"
  • Cup Frontface Backing Diameter 3.96"
  • Cage Cone Backface Clearance 0.07"
  • Dynamic Radial Load 62900 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 456
  • 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) 9370 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 5380 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 16300 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 5.64 lb

Features

Performance Features of 456-452D Bearing

456-452D Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 62,900 lbf, ensuring reliable performance in heavy-duty applications.

The double-row tapered roller design enhances stability and load distribution.
This construction allows 456-452D Bearing to handle both radial and thrust loads efficiently.

With a temperature range of -30° to 110°C, it performs well in various operating conditions.
The steel cage maintains roller alignment, reducing wear and extending service life.

456-452D Bearing requires lubrication but offers standard radial clearance options for flexibility.
Its robust design makes it suitable for demanding industrial applications.

Application

Industrial Uses of 456-452D Bearing
456-452D 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 efficiently. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, 456-452D Bearing supports axle systems and wheel hubs, providing reliable performance under varying load conditions. Its imperial sizing makes it a preferred choice for North American vehicle manufacturers.

For industrial automation, 456-452D 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 456-452D Bearing Used?
456-452D Bearing finds its place in agricultural machinery, such as tractors and harvesters, due to its robust construction and ability to withstand harsh conditions. The tapered roller design ensures smooth operation under heavy loads.

In material handling equipment, 456-452D Bearing is often seen in forklifts and cranes, where its combined load capacity is essential. The standard radial clearance offers flexibility for different operational needs.

Built for Heavy-Duty Use: 456-452D Bearing
456-452D Bearing is a reliable choice for wind turbine applications, where its double-row design manages high radial and thrust loads effectively. The steel cage enhances stability during prolonged use.

For railway systems, 456-452D Bearing supports bogies and axles, ensuring smooth and safe operation. Its temperature range makes it suitable for varying climates.

Automotive vs Aerospace: Applications of 456-452D Bearing
In automotive settings, 456-452D Bearing is used in differential systems, offering durability and performance. The inch measurements align with standard automotive specifications.

For aerospace ground equipment, 456-452D Bearing is employed in loading systems, where precision and reliability are critical. The ABEC-1 rating ensures consistent performance.

Q&A

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