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

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

The 385AX-384DC is a double-row tapered roller bearing with a 2″ bore and 3.937″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 42200 lbf and is designed for long-lasting performance.

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 conditions.

This model features a standard radial clearance and is ABEC-1 rated, suitable for general precision applications. Ideal for heavy-duty machinery or automotive uses where combined loads are common.

Weighing 3.72 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.

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Product Parameters

  • Part Number 385AX-384DC
  • 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 1.6875"
  • 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 2.0624"
  • 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 384DC
  • 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 3.72 lb

Features

Performance Features of 385AX-384DC Bearing

385AX-384DC 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.
With a standard radial clearance, it provides flexibility for various operational needs.

385AX-384DC Bearing operates efficiently within a temperature range of -30° to 110°C.
The steel cage maintains roller alignment, reducing wear and extending service life.

Application

Industrial Uses of 385AX-384DC Bearing
385AX-384DC 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.

What Makes 385AX-384DC Bearing a Preferred Choice?
In automotive applications, 385AX-384DC Bearing is ideal for wheel hubs and differential systems, thanks to its high dynamic radial load capacity. The inch sizing makes it a good fit for North American vehicle models.

Built for Heavy-Duty Use: 385AX-384DC Bearing
For industrial automation, 385AX-384DC Bearing supports conveyor systems and robotic arms, where its tapered roller design provides smooth operation. The open seal type allows for easy lubrication and maintenance.

Automotive vs Aerospace: Applications of 385AX-384DC Bearing
In automotive settings, 385AX-384DC Bearing excels in drivetrain components, while its precision makes it suitable for aerospace landing gear systems. The steel cage enhances stability under varying loads.

Where Is 385AX-384DC Bearing Used?
You’ll often find 385AX-384DC Bearing in agricultural machinery, like tractors and harvesters, where its robust design handles uneven terrain. The standard radial clearance ensures reliable performance in fluctuating temperatures.

Q&A

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