+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
386-384XD TDO (Two-Row Double-Outer Race) (Imperial)

386-384XD TDO (Two-Row Double-Outer Race) (Imperial)

The 386-384XD is a double-row tapered roller bearing with a 2.184″ bore and 3.937″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 35600 lbf and works well 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.

This model is ideal for industrial machinery or vehicle axles where both radial and thrust loads are present. Weighing 5.65 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe use.

Get A Free Quote
    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number 386-384XD
  • Brand TFL
  • Size 2.184" x 3.937" x 0.864"
  • Bore Dia 2.184"
  • 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 35600 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 386
  • 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) 5300 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 3210 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 9230 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 5.65 lb

Features

Performance Features of 386-384XD Bearing

386-384XD Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 35,600 lbf, ensuring reliable performance in heavy-duty applications.

The double-row tapered roller design of 386-384XD Bearing provides stability and reduces wear.
With a standard radial clearance, it balances precision and durability for various industrial uses.

386-384XD Bearing operates efficiently within a temperature range of -30° to 110°C.
Its open seal type allows for easy lubrication, maintaining smooth operation over time.

The steel cage in 386-384XD Bearing keeps the rollers aligned, extending service life.
Its ABEC-1 rating ensures consistent performance in precision applications.

Application

Industrial Uses of 386-384XD Bearing
386-384XD 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. The chrome steel construction ensures durability in demanding environments.

Where Is 386-384XD Bearing Used?
You’ll often find 386-384XD Bearing in agricultural machinery, supporting components like gearboxes and wheel hubs. Its inch sizing makes it a reliable choice for North American equipment manufacturers.

Built for Heavy-Duty Use: 386-384XD Bearing
386-384XD Bearing excels in industrial fans and pumps, where its tapered roller design manages high-speed rotations smoothly. The open seal type allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 386-384XD Bearing
In automotive applications, 386-384XD Bearing is ideal for truck axles and drivetrains, offering robust performance. For aerospace, it’s suited for auxiliary systems where precision and reliability are key.

Key Fields for 386-384XD Bearing
386-384XD Bearing is a go-to for railway applications, particularly in bogie systems, due to its ability to withstand heavy loads. The standard radial clearance ensures consistent performance over time.

Q&A

SEND INQUIRY