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

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

The 385AX-384DRB is a double-row tapered roller bearing with a 2″ bore and 4.125″ outer diameter, built from sturdy chrome steel for long-lasting performance. It handles combined loads up to 42200 lbf and works well in temperatures from -30°C to 110°C.

Its open design allows easy lubrication, while the steel cage ensures smooth operation under heavy loads. The bearing comes in standard radial clearance, with options for C3, C4, or C5 if needed.

This model is ideal for industrial machinery or heavy equipment where both radial and thrust loads are present. Weighing 4.05 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 in demanding applications.

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Product Parameters

  • Part Number 385AX-384DRB
  • Brand TFL
  • Size 2" x 4.1250" x 0.864"
  • Bore Dia 2"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.1250"
  • 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 3.74"
  • Cage Cone Backface Clearance 0.03"
  • Dynamic Radial Load 42200 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 385AX
  • Cup Part Number 384DRB
  • 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 4.05 lb

Features

Performance Features of 385AX-384DRB Bearing

385AX-384DRB 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 smooth operation across various conditions.

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

The open seal design allows for easy lubrication, ensuring consistent performance.
This bearing is ideal for applications requiring durability and precision.

Application

Industrial Uses of 385AX-384DRB Bearing
385AX-384DRB Bearing is commonly used in heavy machinery like construction equipment, where its double-row design handles combined radial and thrust loads effectively. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, 385AX-384DRB Bearing supports axle systems and wheel hubs, providing reliable performance under varying loads. Its inch sizing makes it a good fit for North American vehicle models.

For industrial automation, 385AX-384DRB Bearing’s open design allows for easy lubrication, maintaining smooth operation in conveyor systems. The standard radial clearance offers flexibility for different operational needs.

What Makes 385AX-384DRB Bearing a Preferred Choice?
385AX-384DRB Bearing excels in agricultural machinery, where its tapered roller design manages heavy loads efficiently. The steel cage adds strength, making it suitable for high-stress conditions.

In mining equipment, 385AX-384DRB Bearing’s robust construction withstands harsh conditions, ensuring long service life. The ABEC-1 rating provides a balance of precision and affordability for industrial use.

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