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

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

The 578-572D 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 80,900 lbf and is designed for long-lasting performance.

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

With standard radial clearance and ABEC-1 rating, it offers reliable precision for industrial use. Ideal for heavy-duty applications like gearboxes or construction equipment where high radial and thrust loads are common.

Weighing 10.66 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for most environments.

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Product Parameters

  • Part Number 578-572D
  • 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 572D
  • 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 Does 578-572D Bearing Handle Combined Loads?

578-572D Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 80,900 lbf, ensuring reliable performance in demanding conditions.
The double-row tapered roller design distributes loads evenly, enhancing durability and reducing wear.
With a standard radial clearance, it provides smooth operation across a wide temperature range.

Why Choose 578-572D Bearing for Heavy-Duty Applications?

578-572D Bearing features a steel cage that maintains roller alignment, improving stability under heavy loads.
The chrome steel construction resists wear, extending the bearing’s service life in tough environments.
Its dynamic thrust rating of 8,330 lbf ensures consistent performance in combined load scenarios.
The open design allows for easy lubrication, keeping maintenance simple and efficient.

Engineered for Reliability: 578-572D Bearing

578-572D Bearing’s double-row design enhances load distribution, reducing stress on individual components.
The tapered rollers minimise friction, ensuring smooth operation even at high speeds.
With a temperature range of -30° to 110°C, it performs reliably in varied conditions.
Its standard radial clearance options provide flexibility for different application needs.

Material Composition of 578-572D Bearing

578-572D Bearing uses chrome steel for its rings and rollers, offering excellent strength and wear resistance.
The steel cage ensures durability and maintains precise roller alignment under load.
This material combination enhances the bearing’s performance in heavy-duty industrial applications.
Compliant with RoHS and REACH standards, it meets stringent environmental and safety requirements.

Performance Features of 578-572D Bearing

578-572D Bearing’s double-row tapered roller design excels in handling combined radial and thrust loads.
Its dynamic radial rating of 21,000 lbf for two rows ensures long-lasting performance.
The bearing operates smoothly within a broad temperature range, adapting to various environments.
Easy to lubricate and maintain, it reduces downtime and operational costs.

Application

Industrial Uses of 578-572D Bearing
The 578-572D 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.

Where Is 578-572D Bearing Used?
You’ll often find the 578-572D Bearing in agricultural machinery, supporting components like gearboxes and wheel hubs. Its inch sizing makes it a reliable choice for North American equipment manufacturers.

Built for Heavy-Duty Use: 578-572D Bearing
The 578-572D Bearing excels in industrial fans and pumps, where its tapered roller design provides stability under high loads. The open seal type allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 578-572D Bearing
In automotive applications, the 578-572D Bearing is ideal for truck axles and differentials, offering robust performance. For aerospace, it’s suited for ground support equipment due to its precision and load capacity.

Practical Applications of 578-572D Bearing
The 578-572D Bearing is a go-to for conveyor systems in manufacturing plants, where its double-row construction ensures smooth operation. Its standard radial clearance makes it versatile for various industrial settings.

Q&A

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