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392A-394YD TDO (Two-Row Double-Outer Race) (Imperial)

392A-394YD TDO (Two-Row Double-Outer Race) (Imperial)

The 392A-394YD is a double-row tapered roller bearing with a 2.4375″ bore and 4.3307″ outer diameter, built from sturdy chrome steel. It handles combined loads, supporting up to 38700 lbf radially and 3970 lbf thrust per row.

Its open design allows for easy lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures from -30°C to 110°C.

This model is part of the 395 series, with standard radial clearance and ABEC-1 precision. Ideal for heavy-duty applications like truck axles or industrial gearboxes.

Weighing 4.18 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 392A-394YD
  • Brand TFL
  • Size 2.4375" x 4.3307" x 0.866"
  • Bore Dia 2.4375"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.3307"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 1.8125"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 0.866"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 2.0624"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 2.99"
  • Cup Frontface Backing Diameter 4.12"
  • Cage Cone Backface Clearance 0.05"
  • Dynamic Radial Load 38700 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 392A
  • Cup Part Number 394YD
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 395
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 5760 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 3970 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 10000 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 4.18 lb

Features

Performance Features of 392A-394YD Bearing

392A-394YD Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 38,700 lbf, ensuring reliable performance in heavy-duty applications.

The double-row tapered roller design enhances load distribution, reducing wear and extending service life.
With a standard radial clearance, it provides flexibility for various operational conditions.

392A-394YD Bearing operates efficiently within a temperature range of -30° to 110°C.
The steel cage maintains roller alignment, contributing to smooth and consistent performance.

This bearing requires regular lubrication to maintain optimal functionality.
Its robust construction makes it suitable for demanding industrial environments.

Application

Industrial Uses of 392A-394YD Bearing
The 392A-394YD 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 392A-394YD Bearing Used?
In automotive applications, 392A-394YD Bearing supports wheel hubs and drivetrain components, providing reliable performance under varying loads. The imperial sizing makes it a preferred choice for North American vehicle models.

Built for Heavy-Duty Use: 392A-394YD Bearing
This bearing excels in industrial gearboxes and conveyor systems, where its tapered roller design manages high-speed rotations smoothly. The open seal type allows for easy lubrication and maintenance.

Automotive vs Aerospace: Applications of 392A-394YD Bearing
While 392A-394YD Bearing is popular in automotive systems, it also finds use in aerospace landing gear mechanisms, thanks to its robust load-handling capabilities. The temperature range ensures performance in diverse conditions.

Essential Roles of 392A-394YD Bearing
In agricultural machinery, 392A-394YD Bearing ensures smooth operation in tractors and harvesters, withstanding dirt and debris. Its steel cage enhances longevity even in harsh outdoor environments.

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