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

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

The 385-384ED is a double-row tapered roller bearing with a 2.1654″ bore and 3.937″ outer diameter, built from sturdy chrome steel. 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 comes in standard radial clearance but is also available in C3, C4, or C5 options for different fit requirements.

This model is ideal for industrial machinery or vehicle applications where high radial and thrust loads are common. Weighing 3.25 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 most general-purpose applications.

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Product Parameters

  • Part Number 385-384ED
  • Brand TFL
  • Size 2.1654" x 3.937" x 0.864"
  • Bore Dia 2.1654"
  • 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 2.56"
  • 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 385
  • 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 3.25 lb

Features

Performance Features of 385-384ED Bearing

385-384ED Bearing is constructed with chrome steel rings and rollers, offering robust resistance to combined loads.
Its dynamic radial load capacity reaches 42,200 lbf, ensuring reliable performance in heavy-duty applications.
The steel cage maintains roller alignment, reducing wear and enhancing durability.
With a temperature range of -30° to 110°C, it performs well in various environments.

How Is 385-384ED Bearing Engineered for Reliability?

385-384ED Bearing features a double-row tapered roller design, ideal for handling both radial and thrust loads.
The chrome steel construction provides excellent strength and resistance to wear.
Its standard radial clearance ensures smooth operation, even under demanding conditions.
The bearing’s open design allows for easy lubrication, extending its service life.

Built for Durability: 385-384ED Bearing

385-384ED Bearing’s tapered roller design ensures efficient load distribution, reducing stress on components.
The chrome steel rollers and rings enhance its ability to withstand heavy loads.
With a dynamic radial rating of 10,900 lbf for two rows, it delivers consistent performance.
The bearing’s ABEC-1 rating guarantees precision and reliability in various applications.

Steel vs Ceramic Bearings: Strengths of 385-384ED Bearing

385-384ED Bearing uses chrome steel for both rollers and rings, providing superior strength and durability.
Its double-row tapered roller design excels in handling combined loads with ease.
The steel cage ensures proper roller alignment, minimising friction and wear.
With a wide temperature range, it is suitable for diverse industrial environments.

Why Choose 385-384ED Bearing for Precision Tasks?

385-384ED Bearing’s tapered roller design ensures precise load handling and smooth operation.
The chrome steel construction offers excellent resistance to wear and fatigue.
Its ABEC-1 rating confirms its suitability for applications requiring reliable performance.
The open design facilitates easy maintenance, keeping operational costs low.

Application

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

In automotive applications, 385-384ED Bearing supports wheel hubs and differential systems, providing reliable performance under high stress. The inch sizing makes it compatible with many North American vehicle models.

For industrial automation, 385-384ED 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 385-384ED Bearing Used?
You’ll often find 385-384ED Bearing in agricultural machinery, like tractors and harvesters, where its tapered roller design manages heavy loads smoothly. The steel cage adds extra strength for long-term use.

In manufacturing plants, 385-384ED Bearing is a go-to for gearboxes and presses, thanks to its high dynamic radial rating. Its standard radial clearance ensures consistent performance across various applications.

Built for Heavy-Duty Use: 385-384ED Bearing
The 385-384ED Bearing excels in forestry equipment, such as log splitters and sawmills, where its robust design withstands intense vibrations. The chrome steel rollers reduce wear even under continuous operation.

For material handling systems, 385-384ED Bearing offers reliable support in cranes and forklifts. Its ABEC-1 rating ensures sufficient precision for most industrial needs without unnecessary complexity.

Automotive vs Aerospace: Applications of 385-384ED Bearing
In automotive settings, 385-384ED Bearing is trusted for axle systems, balancing durability and performance. Its inch measurements align with many classic and modern vehicle designs.

For aerospace ground support equipment, 385-384ED Bearing provides stability in tow tractors and loading platforms. The temperature range suits both indoor and outdoor use, from cold storage to sunny tarmacs.

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