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

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

The 385A-384EDC is a two-row tapered roller bearing with a 2″ bore and 3.937″ outer diameter, built from sturdy chrome steel for long-lasting performance. It handles combined loads up to 42,200 lbf and is designed for smooth operation in a range of temperatures from -30°C to 110°C.

Its double-row construction provides extra stability, while the open design allows for easy lubrication. The steel cage ensures durability, making it suitable for heavy-duty applications.

This bearing fits standard cup types and is ideal for machinery requiring high radial and thrust load capacity, such as industrial gearboxes or vehicle axles. It comes with standard radial clearance but is also available in C3, C4, or C5 options.

Weighing 3.52 lb, it’s a robust choice for demanding environments. Compliant with RoHS and REACH standards, it’s a reliable option for replacements or new installations.

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Product Parameters

  • Part Number 385A-384EDC
  • 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 384EDC
  • 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-384EDC Bearing

385A-384EDC 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 for smooth operation even under demanding conditions.

385A-384EDC Bearing operates effectively within a temperature range of -30° to 110°C.
Its standard radial clearance options provide flexibility for various industrial needs.

With a weight of 3.52 lb, it balances durability and ease of handling.
The open seal type simplifies maintenance while ensuring consistent performance.

Application

Industrial Uses of 385A-384EDC Bearing
The 385A-384EDC 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 effectively.
Its chrome steel construction ensures durability in harsh environments, making it a reliable choice for industrial applications.

What Makes 385A-384EDC Bearing a Preferred Choice?
In automotive applications, 385A-384EDC Bearing supports wheel hubs and differential systems, providing smooth performance under heavy loads.
The inch sizing makes it compatible with many North American vehicle models, offering versatility in repairs and upgrades.

Built for Heavy-Duty Use: 385A-384EDC Bearing
For agricultural machinery, 385A-384EDC Bearing excels in tractors and harvesters, where its tapered roller design manages high stress and vibration.
The open seal type allows for easy lubrication, extending the bearing’s lifespan in dusty or wet conditions.

Automotive vs Aerospace: Applications of 385A-384EDC Bearing
In automotive systems, 385A-384EDC Bearing is ideal for transmissions and axles, balancing radial and thrust loads efficiently.
While in aerospace, its precision and reliability make it suitable for landing gear and auxiliary systems, though specialized bearings are often preferred for extreme conditions.

Key Fields for 385A-384EDC Bearing
The 385A-384EDC Bearing is widely used in rail and transportation systems, particularly in bogies and coupling mechanisms.
Its standard radial clearance and ABEC-1 rating ensure consistent performance in these demanding applications.

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