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

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

The 385-384XD is a two-row tapered roller bearing with a 2.1654″ 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 double-row construction provides extra stability, while the open design allows for easy lubrication. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

With standard radial clearance and ABEC-1 rating, it offers reliable precision for industrial use. Ideal for heavy-duty applications like gearboxes or construction equipment where both radial and thrust loads are present.

Weighing 5.69 lb, it’s a robust choice for demanding environments. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 385-384XD
  • 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 3.764"
  • 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 4.1389"
  • 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 3.74"
  • Cage Cone Backface Clearance 0.03"
  • Dynamic Radial Load 42200 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 385
  • Cup Part Number 384XD
  • 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 5.69 lb

Features

Performance Features of 385-384XD Bearing

385-384XD Bearing is built with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 42,200 lbf, making it suitable for heavy-duty applications.

The double-row tapered roller design ensures stability and efficient load distribution.
With a standard radial clearance, it provides reliable operation in various industrial settings.

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

This bearing requires lubrication for optimal performance and longevity.
Its ABEC-1 rating ensures consistent precision in demanding conditions.

Application

Industrial Uses of 385-384XD Bearing
The 385-384XD 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. Its chrome steel construction ensures durability in tough working conditions.

Where Is 385-384XD Bearing Used?
You’ll often find the 385-384XD Bearing in agricultural machinery, supporting components like tractor axles and harvesters. Its inch sizing makes it a practical choice for North American equipment manufacturers.

Built for Heavy-Duty Use: 385-384XD Bearing
In industrial gearboxes, the 385-384XD Bearing provides reliable performance, thanks to its tapered roller design and standard radial clearance. The open seal type allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 385-384XD Bearing
The 385-384XD Bearing is versatile enough for automotive wheel hubs, while its precision also suits aerospace landing gear systems. Its ABEC-1 rating ensures consistent performance across different industries.

Perfect Fit for Automation: 385-384XD Bearing
For automated conveyor systems, the 385-384XD Bearing offers smooth operation under continuous loads. The steel cage adds stability, making it a dependable choice for high-use environments.

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