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386AX-384ED TDO (Two-Row Double-Outer Race) (Imperial)

386AX-384ED TDO (Two-Row Double-Outer Race) (Imperial)

The 386AX-384ED is a two-row tapered roller bearing with a 1.875″ bore and 3.937″ outer diameter, built from sturdy chrome steel for long-lasting performance. It handles combined loads with a dynamic radial capacity of 35600 lbf and operates smoothly in temperatures from -30°C to 110°C.

Its double-row design provides extra stability, while the open seal allows for easy lubrication. The steel cage ensures durability, and standard radial clearance makes it versatile for various settings.

This bearing is ideal for heavy-duty applications like industrial gearboxes or vehicle axles where both radial and thrust loads are present. Weighing 3.7 lb, it’s robust yet manageable for its size.

Compliant with RoHS and REACH standards, it’s a reliable choice for replacements or new installations. The ABEC-1 rating ensures consistent performance for general engineering needs.

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Product Parameters

  • Part Number 386AX-384ED
  • Brand TFL
  • Size 1.875" x 3.937" x 0.864"
  • Bore Dia 1.875"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.937"
  • 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 2.2"
  • Cup Frontface Backing Diameter 3.68"
  • Cage Cone Backface Clearance 0.03"
  • Dynamic Radial Load 35600 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 386AX
  • 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) 5300 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 3210 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 9230 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 3.7 lb

Features

How Is 386AX-384ED Bearing Engineered for Reliability?

386AX-384ED Bearing features a double-row tapered roller design, providing strong resistance to combined loads.
Its chrome steel construction ensures durability, even under dynamic radial loads up to 35,600 lbf.

The precision-engineered cage keeps rollers aligned, reducing friction and extending service life.
With a standard radial clearance, it offers reliable performance in various applications.

386AX-384ED Bearing operates efficiently within a temperature range of -30° to 110°C.
Its open design allows for easy lubrication, ensuring smooth operation over time.

Application

Industrial Uses of 386AX-384ED Bearing
386AX-384ED Bearing is commonly used in heavy machinery, such as construction equipment and mining vehicles, where its double-row design handles combined radial and thrust loads effectively. The chrome steel construction ensures durability in tough working conditions.

In automotive applications, 386AX-384ED Bearing supports wheel hubs and differential systems, providing reliable performance under varying loads. Its inch sizing makes it a good fit for American and British vehicle models.

For industrial automation, 386AX-384ED Bearing is ideal for conveyor systems and robotic arms, where precision and load capacity are key. The open seal design allows for easy lubrication, extending its service life.

Where Is 386AX-384ED Bearing Used?
You’ll often find 386AX-384ED Bearing in agricultural machinery, like tractors and harvesters, where it handles heavy loads and rough terrain. Its tapered roller design ensures smooth operation even under stress.

In manufacturing plants, 386AX-384ED Bearing is used in gearboxes and pulleys, thanks to its ability to manage high radial and thrust forces. The steel cage adds extra strength for long-term use.

Built for Heavy-Duty Use: 386AX-384ED Bearing
386AX-384ED Bearing excels in forestry equipment, such as log splitters and sawmills, where its robust design withstands constant heavy loads. The standard radial clearance ensures consistent performance.

For material handling systems, 386AX-384ED Bearing is a reliable choice for cranes and forklifts, offering stability and durability. Its ABEC-1 rating provides a balance of precision and cost-effectiveness.

Automotive vs Aerospace: Applications of 386AX-384ED Bearing
In automotive settings, 386AX-384ED Bearing is used in drivetrains and axles, where its combined load capacity is essential. The inch measurements make it versatile for various vehicle designs.

For aerospace ground equipment, 386AX-384ED Bearing supports maintenance tools and loading systems, though it’s not typically used in-flight due to its weight. Its temperature range suits most ground operations.

Q&A

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