+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
478-472DC TDO (Two-Row Double-Outer Race) (Imperial)

478-472DC TDO (Two-Row Double-Outer Race) (Imperial)

The 478-472DC is a double-row tapered roller bearing with a 2.5591″ bore and 4.7244″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 56100 lbf and is designed for long-lasting performance.

Its open design allows easy lubrication, while the steel cage ensures smooth operation. The bearing works well in temperatures from -30°C to 110°C, making it versatile for various conditions.

This model is part of the 475 series and comes with standard radial clearance. Ideal for heavy-duty applications like industrial gearboxes or axle systems where combined loads are common.

Weighing 6.83 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe use.

Get A Free Quote
    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number 478-472DC
  • Brand TFL
  • Size 2.5591" x 4.7244" x 1.142"
  • Bore Dia 2.5591"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.7244"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 2.125"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 1.142"
  • 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 3.03"
  • Cup Frontface Backing Diameter 4.53"
  • Cage Cone Backface Clearance 0.04"
  • Dynamic Radial Load 56100 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 478
  • Cup Part Number 472DC
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 475
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 8360 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 5500 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 14600 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 6.83 lb

Features

How Does 478-472DC Bearing Handle Combined Loads?

478-472DC Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 56,100 lbf, ensuring reliable performance in demanding applications.
The steel cage keeps the rollers aligned, reducing wear and extending service life.
With a temperature range of -30° to 110°C, it performs well in various operating conditions.

What Makes 478-472DC Bearing Durable?

478-472DC Bearing features a double-row tapered roller design, providing enhanced load distribution and durability.
The chrome steel construction resists wear, making it suitable for heavy-duty applications.
Its standard radial clearance ensures smooth operation, even under combined loads.
The open seal type allows for easy lubrication, maintaining optimal performance over time.

Engineered for Precision: 478-472DC Bearing

478-472DC Bearing is designed with precise tolerances, ensuring consistent performance in combined load scenarios.
The tapered roller design minimises friction, enhancing efficiency and reducing heat generation.
Its ABEC-1 rating guarantees reliable precision for industrial applications.
The steel cage maintains roller alignment, contributing to long-term reliability.

Structural Advantages of 478-472DC Bearing

478-472DC Bearing’s double-row construction provides increased load capacity and stability.
The chrome steel rollers and rings offer excellent resistance to wear and fatigue.
With a dynamic thrust rating of 5,500 lbf, it handles demanding conditions with ease.
The standard radial clearance ensures smooth operation, reducing maintenance needs.

Why Choose 478-472DC Bearing for Heavy-Duty Applications?

478-472DC Bearing is designed to withstand heavy radial and thrust loads, making it ideal for industrial use.
The chrome steel components ensure durability and long service life.
Its open design allows for easy lubrication, maintaining optimal performance.
The tapered roller construction minimises friction, enhancing efficiency and reliability.

Application

Industrial Uses of 478-472DC Bearing
The 478-472DC 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 effectively. Its chrome steel construction ensures durability in demanding environments.

In automotive applications, 478-472DC Bearing supports wheel hubs and drivetrains, providing reliable performance under high stress. The inch sizing makes it compatible with many North American vehicle models.

For industrial automation, 478-472DC Bearing’s tapered roller design offers smooth operation in conveyor systems and robotic arms. The open seal type allows for easy lubrication, extending its service life.

Where Is 478-472DC Bearing Used?
You’ll often find 478-472DC Bearing in agricultural machinery, where its robust design handles rough terrain and heavy loads. The standard radial clearance ensures consistent performance in varying conditions.

In material handling systems, 478-472DC Bearing’s double-row configuration provides stability for lifting equipment. Its steel cage adds strength, making it suitable for repetitive use.

Built for Heavy-Duty Use: 478-472DC Bearing
The 478-472DC Bearing excels in forestry equipment, where its tapered rollers manage uneven loads and shocks. Its temperature range of -30° to 110°C ensures reliability in extreme weather.

For railway applications, 478-472DC Bearing’s combined load capacity makes it ideal for axle boxes. The ABEC-1 rating balances precision and cost-effectiveness for these uses.

Automotive vs Aerospace: Applications of 478-472DC Bearing
In automotive settings, 478-472DC Bearing is trusted for differential systems due to its high dynamic radial rating. The inch measurements simplify integration with existing designs.

For aerospace ground support equipment, 478-472DC Bearing’s chrome steel rollers offer wear resistance. However, its weight makes it less suitable for in-flight components.

Q&A

SEND INQUIRY