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

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

The 385A-384ED is a double-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 a dynamic radial capacity of 42,200 lbf and operates smoothly in temperatures from -30°C to 110°C.

Its open design allows for easy lubrication, while the steel cage ensures durability under heavy use. The bearing’s double-row construction provides stability, making it suitable for high-load applications.

This model fits standard inch measurements and comes with ABEC-1 precision. Ideal for industrial machinery or automotive systems where robust load-bearing is needed.

Weighing 3.52 lb, it’s a solid choice for replacements or upgrades. Compliant with RoHS and REACH standards for safe handling.

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Product Parameters

  • Part Number 385A-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 2.4"
  • 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 385A
  • 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 3.52 lb

Features

Performance Features of 385A-384ED Bearing

385A-384ED Bearing is designed 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 demanding applications.

The double-row tapered roller design enhances stability and load distribution.
This construction makes 385A-384ED Bearing suitable for heavy-duty machinery and industrial use.

With a temperature range of -30° to 110°C, it performs well in various environments.
The standard radial clearance options provide flexibility for different operational needs.

385A-384ED Bearing requires lubrication for optimal performance and longevity.
Its steel cage ensures proper roller alignment, reducing wear and extending service life.

Application

Industrial Uses of 385A-384ED Bearing
The 385A-384ED 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 efficiently. Its chrome steel construction ensures durability in demanding environments.

Where Is 385A-384ED Bearing Used?
You’ll often find the 385A-384ED Bearing in agricultural machinery, like tractors and harvesters, where its tapered roller design provides reliable performance under varying loads. The inch sizing makes it a popular choice for North American equipment.

Built for Heavy-Duty Use: 385A-384ED Bearing
In industrial gearboxes, the 385A-384ED Bearing offers smooth operation thanks to its standard radial clearance and open design. The steel cage adds strength, making it suitable for high-load applications.

Automotive vs Aerospace: Applications of 385A-384ED Bearing
The 385A-384ED Bearing is versatile enough for automotive axles and aerospace landing gear, where its combined load capacity shines. Its temperature range also ensures performance in extreme conditions.

What Makes 385A-384ED Bearing a Preferred Choice?
For conveyor systems and material handling equipment, the 385A-384ED Bearing’s dynamic radial load rating ensures long service life. Its ABEC-1 rating balances precision and cost-effectiveness for general industrial use.

Q&A

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