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

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

The 455-452DC is a double-row tapered roller bearing with a 2-inch bore and 4.25-inch outer diameter, built from sturdy chrome steel. It handles combined loads with a dynamic radial capacity of 62900 lbf and works well in temperatures from -30°C to 110°C.

Its open design allows for easy lubrication, while the steel cage ensures durability. The bearing is designed for standard radial clearance but can also be ordered in C3, C4, or C5 variations.

This model is part of the 455 series, featuring a double outer race for added stability. Ideal for heavy-duty applications like truck axles or industrial gearboxes where combined loads are common.

Weighing 5.95 lb, it’s a robust choice for machinery requiring reliable performance. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 455-452DC
  • Brand TFL
  • Size 2" x 4.25" x 1.1542"
  • Bore Dia 2"
  • 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 2.36"
  • 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 455
  • 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 5.95 lb

Features

How Does 455-452DC Bearing Handle Combined Loads?

455-452DC 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, reducing wear and extending service life.
With a standard radial clearance, it provides smooth operation across various applications.

What Makes 455-452DC Bearing Suitable for Heavy-Duty Applications?

455-452DC Bearing features a double-row tapered roller construction, ideal for handling combined loads.
The chrome steel components enhance durability, while the steel cage maintains roller alignment.
Its dynamic radial rating for two rows is 16,300 lbf, ensuring long-lasting performance.
Designed for temperatures from -30° to 110°C, it operates reliably in diverse environments.

Engineered for Reliability: 455-452DC Bearing

455-452DC Bearing’s double-row design ensures even load distribution, minimising wear and tear.
The chrome steel rollers and rings provide excellent resistance to heavy loads and harsh conditions.
With a dynamic thrust rating of 5,380 lbf, it performs consistently under stress.
Its standard radial clearance allows for smooth operation in various industrial settings.

Application

Industrial Uses of 455-452DC Bearing
The 455-452DC Bearing is commonly used in heavy machinery like construction equipment and agricultural vehicles, where its double-row design handles combined radial and thrust loads efficiently. Its chrome steel construction ensures durability in tough working conditions.

Where Is 455-452DC Bearing Used?
You’ll often find 455-452DC Bearing in industrial gearboxes and power transmission systems, thanks to its ability to manage high dynamic loads. The open seal design allows for easy lubrication, extending its service life.

Built for Heavy-Duty Use: 455-452DC Bearing
This bearing excels in applications like mining machinery and large conveyor systems, where reliability under heavy loads is essential. The tapered roller design provides smooth operation even in demanding environments.

Automotive vs Aerospace: Applications of 455-452DC Bearing
In automotive systems, 455-452DC Bearing supports wheel hubs and differentials, offering stability under varied loads. For aerospace, its precision and durability make it suitable for auxiliary equipment.

Essential Roles of 455-452DC Bearing
The 455-452DC Bearing is a go-to choice for wind turbine yaw systems, where its combined load capacity and robust construction ensure long-term performance. Its inch sizing also makes it compatible with many North American industrial standards.

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