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385AX-384ED TDO (Two-Row Double-Outer Race) (Imperial)

385AX-384ED TDO (Two-Row Double-Outer Race) (Imperial)

The 385AX-384ED is a two-row tapered roller bearing with a 2-inch bore and 3.937-inch outer diameter, built from sturdy chrome steel for long-lasting performance.

It handles combined loads with ease, supporting dynamic radial loads up to 42200 lbf and thrust loads up to 3810 lbf. The open design allows for straightforward lubrication, essential for smooth operation.

Its double-row construction provides extra stability, making it suitable for heavy-duty applications. The bearing works reliably in temperatures ranging from -30°C to 110°C.

Ideal for industrial machinery or automotive systems where high load capacity is needed. Compliant with RoHS and REACH standards, it’s a dependable choice for replacements or new installations. Weighing 3.53 lb, it balances strength and manageability.

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Product Parameters

  • Part Number 385AX-384ED
  • Brand TFL
  • Size 2" x 3.9370" x 0.864"
  • Bore Dia 2"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.9370"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 1.562"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 0.864"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 1.9369"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 2.28"
  • Cup Frontface Backing Diameter 3.68"
  • Cage Cone Backface Clearance 0.03"
  • Dynamic Radial Load 42200 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 385AX
  • Cup Part Number 384ED
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 385
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 6280 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 3810 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 10900 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 3.53 lb

Features

Performance Features of 385AX-384ED Bearing

385AX-384ED Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 42,200 lbf, ensuring reliable performance in heavy-duty applications.

The double-row tapered roller design enhances stability and load distribution.
This construction allows 385AX-384ED Bearing to handle both radial and thrust loads efficiently.

With a standard radial clearance, it provides smooth operation in various conditions.
The steel cage maintains roller alignment, reducing wear and extending service life.

385AX-384ED Bearing operates effectively within a temperature range of -30° to 110°C.
Its open design simplifies lubrication, ensuring consistent performance over time.

Application

Industrial Uses of 385AX-384ED Bearing
385AX-384ED Bearing is commonly used in heavy machinery, such as construction equipment and agricultural tools, where its double-row design handles combined loads effectively. The imperial sizing makes it a good fit for North American industrial applications.

In automotive applications, 385AX-384ED Bearing supports wheel hubs and differential systems, providing reliable performance under varying load conditions. Its chrome steel construction ensures durability in demanding environments.

For automation systems, 385AX-384ED Bearing’s tapered roller design offers smooth operation in conveyor belts and robotic arms. The open seal type allows for easy lubrication, extending its service life in high-use scenarios.

Where Is 385AX-384ED Bearing Used?
385AX-384ED Bearing can be found in wind turbines, where its ability to handle radial and thrust loads is essential for efficient energy generation. The standard radial clearance ensures consistent performance in fluctuating temperatures.

In mining equipment, 385AX-384ED Bearing’s robust construction withstands harsh conditions, reducing downtime. The steel cage adds extra strength, making it suitable for heavy-duty applications.

Built for Heavy-Duty Use: 385AX-384ED Bearing
385AX-384ED Bearing is ideal for railway axles, where its tapered rollers manage high radial and axial loads. The inch measurements align with many legacy systems still in use today.

For marine applications, 385AX-384ED Bearing’s resistance to wear and corrosion makes it a reliable choice for propeller shafts. The required lubrication ensures smooth operation even in saltwater environments.

Automotive vs Aerospace: Applications of 385AX-384ED Bearing
In automotive systems, 385AX-384ED Bearing is often used in truck transmissions, where its durability is key. The ABEC-1 rating provides sufficient precision for most road vehicles.

For aerospace, 385AX-384ED Bearing’s temperature range suits auxiliary systems like landing gear mechanisms. However, higher precision bearings are typically preferred for critical flight components.

Q&A

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