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

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

The 456-452DC is a double-row tapered roller bearing with a 2.125″ bore and 4.25″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 62900 lbf and is designed for long-lasting performance.

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.

This model features a standard radial clearance and is ABEC-1 rated for reliable precision. Ideal for heavy-duty applications like industrial gearboxes or construction equipment.

Weighing 5.64 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for various industrial uses.

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Product Parameters

  • Part Number 456-452DC
  • 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 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) 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

How Does 456-452DC Bearing Handle Combined Loads?

456-452DC Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 62,900 lbf, ensuring reliable performance in demanding conditions.
The double-row tapered roller design distributes loads evenly, enhancing durability and stability.
With a standard radial clearance, it provides smooth operation across various applications.

Why Choose 456-452DC Bearing for Heavy-Duty Applications?

456-452DC Bearing features a robust steel cage, keeping the rollers aligned under heavy loads.
The chrome steel construction resists wear, extending the bearing’s service life in tough environments.
Its dynamic thrust rating of 5,380 lbf ensures consistent performance in combined load scenarios.
The open design allows for easy lubrication, maintaining optimal operation over time.

Engineered for Reliability: 456-452DC Bearing

456-452DC Bearing’s double-row design provides excellent load distribution, reducing stress on individual components.
The tapered rollers minimise friction, ensuring smooth rotation even under high radial loads.
With a temperature range of -30° to 110°C, it performs reliably in various operating conditions.
The standard ABEC-1 rating ensures consistent precision for industrial applications.

Structural Advantages of 456-452DC Bearing

456-452DC Bearing’s precise tolerances ensure a snug fit, reducing vibration and noise during operation.
The chrome steel rollers and rings enhance durability, even in high-load environments.
Its double-row construction offers increased stability, making it suitable for heavy machinery.
The open seal type allows for easy maintenance, keeping operational costs low.

Application

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

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

For industrial automation, 456-452DC Bearing fits well in 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 456-452DC Bearing Used?
You’ll often find 456-452DC Bearing in agricultural machinery, like tractors and harvesters, where its tapered roller design manages heavy loads smoothly. The steel cage adds extra strength for long-term use.

In material handling equipment, 456-452DC Bearing ensures smooth operation in forklifts and cranes. Its standard radial clearance makes it adaptable to different operational needs.

Built for Heavy-Duty Use: 456-452DC Bearing
456-452DC Bearing excels in forestry equipment, such as log splitters and sawmills, thanks to its robust construction. The double-row setup distributes loads evenly, reducing wear.

For railway applications, 456-452DC Bearing supports bogies and axle boxes, where its temperature range and load capacity are crucial. The ABEC-1 rating ensures consistent performance.

Automotive vs Aerospace: Applications of 456-452DC Bearing
In automotive systems, 456-452DC Bearing is ideal for drivetrains and differentials, handling high torque with ease. The inch measurements simplify integration into existing designs.

For aerospace ground support equipment, 456-452DC Bearing provides reliability in load-bearing components. Its compliance with RoHS and REACH standards ensures environmental safety.

Q&A

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