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578-572DC TDO (Two-Row Double-Outer Race) (Imperial)

578-572DC TDO (Two-Row Double-Outer Race) (Imperial)

The 578-572DC is a double-row tapered roller bearing with a 3.149″ bore and 5.5115″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 80900 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 from -30°C to 110°C, making it versatile for various environments.

This model is part of the 575 series, with standard radial clearance and ABEC-1 precision. Ideal for heavy-duty applications like industrial gearboxes or large machinery where reliability is key.

Weighing 10.66 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and sustainable use.

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Product Parameters

  • Part Number 578-572DC
  • Brand TFL
  • Size 3.149" x 5.5115" x 1.4212"
  • Bore Dia 3.149"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 5.5115"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 2.625"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 1.4212"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 3.25"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 3.74"
  • Cup Frontface Backing Diameter 5.25"
  • Cage Cone Backface Clearance 0.12"
  • Dynamic Radial Load 80900 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 578
  • Cup Part Number 572DC
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 575
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 12100 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 8330 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 21000 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 10.66 lb

Features

How Is 578-572DC Bearing Engineered for Reliability?

578-572DC Bearing features a double-row tapered roller design, providing strong resistance to combined radial and thrust loads.
Its chrome steel construction ensures durability, with a dynamic radial load capacity of 80,900 lbf.
The steel cage maintains roller alignment, reducing wear and extending service life.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

What Makes 578-572DC Bearing Suitable for High-Temperature Applications?

578-572DC Bearing operates efficiently in temperatures ranging from -30° to 110°C, making it versatile for different environments.
Its chrome steel rollers and rings resist wear, ensuring consistent performance under heavy loads.
The open seal design allows for easy lubrication, maintaining smooth operation.
With standard radial clearance options, it adapts to various application needs.

Designed for Durability: 578-572DC Bearing

578-572DC Bearing is built with high-quality chrome steel, offering excellent strength and longevity.
Its double-row tapered roller design handles combined loads efficiently, with a dynamic radial rating of 80,900 lbf.
The steel cage ensures proper roller alignment, minimising friction and wear.
This bearing is ideal for applications requiring reliable performance and durability.

Application

Industrial Uses of 578-572DC Bearing
The 578-572DC 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. Its chrome steel construction ensures durability in demanding environments.
In automotive applications, 578-572DC Bearing supports axle systems and wheel hubs, providing reliable performance under high stress. The imperial sizing makes it a preferred choice for North American vehicle manufacturers.

Where Is 578-572DC Bearing Used?
You’ll often find 578-572DC Bearing in industrial gearboxes and power transmission systems, where its tapered roller design ensures smooth operation. The open seal type allows for easy lubrication, extending its service life.
For agricultural machinery, 578-572DC Bearing excels in tractors and harvesters, thanks to its ability to withstand heavy loads and harsh conditions.

Built for Heavy-Duty Use: 578-572DC Bearing
The 578-572DC Bearing is ideal for conveyor systems in factories, where its double-row construction distributes loads evenly. Its steel cage adds extra strength, making it suitable for continuous operation.
In marine applications, 578-572DC Bearing performs well in propeller shafts, handling both radial and thrust forces with ease. The standard radial clearance ensures consistent performance even in variable temperatures.

Automotive vs Aerospace: Applications of 578-572DC Bearing
In automotive settings, 578-572DC Bearing is often used in truck differentials, where its combined load capacity is crucial. The ABEC-1 rating balances precision and cost-effectiveness for mass production.
For aerospace ground equipment, 578-572DC Bearing supports landing gear testing rigs, offering reliable performance under simulated stress. Its chrome steel rollers provide the necessary durability for repeated use.

Perfect Fit for Automation: 578-572DC Bearing
The 578-572DC Bearing works well in robotic assembly lines, where its tapered rollers ensure precise movement. The open design simplifies maintenance, reducing downtime.
In packaging machinery, 578-572DC Bearing handles high-speed operations smoothly, thanks to its dynamic load ratings. The inch sizing makes it compatible with older equipment still in use.

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