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

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

The 385AS-384DRB is a double-row tapered roller bearing with a 2″ bore and 4.125″ outer diameter, built from sturdy chrome steel for long-lasting performance. It handles combined loads up to 35600 lbf and is designed for smooth operation in demanding conditions.

Its open design allows for easy lubrication, while the steel cage ensures durability under heavy use. The bearing works well in temperatures from -30°C to 110°C, making it versatile for various environments.

This model features standard radial clearance and meets ABEC-1 precision standards. Ideal for industrial machinery or automotive applications where high radial and thrust loads are common.

Weighing 4.05 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, ensuring safe and reliable use.

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Product Parameters

  • Part Number 385AS-384DRB
  • Brand TFL
  • Size 2" x 4.1250" x 0.864"
  • Bore Dia 2"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.1250"
  • 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 2.36"
  • 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 385AS
  • Cup Part Number 384DRB
  • 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 4.05 lb

Features

How Does 385AS-384DRB Bearing Handle Combined Loads?

385AS-384DRB Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 35,600 lbf, ensuring reliable performance in demanding conditions.
The double-row tapered roller design distributes loads evenly, reducing wear and extending service life.
With a temperature range of -30° to 110°C, it performs well in various environments.

What Ensures Smooth Operation in 385AS-384DRB Bearing?

385AS-384DRB Bearing features a precision-engineered steel cage that keeps the rollers aligned for smooth operation.
The chrome steel construction reduces friction, enhancing efficiency and reducing noise.
Its standard radial clearance ensures consistent performance under combined loads.
Regular lubrication helps maintain optimal performance over time.

Why Choose 385AS-384DRB Bearing for Heavy-Duty Applications?

385AS-384DRB Bearing’s double-row design provides excellent load distribution, making it ideal for heavy-duty use.
The chrome steel rollers and rings offer high durability, even under extreme conditions.
With a dynamic radial rating of 9,230 lbf for two rows, it delivers reliable performance.
Its ABEC-1 rating ensures consistent precision in various applications.

Application

Industrial Uses of 385AS-384DRB Bearing
385AS-384DRB 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 tough working conditions.

In automotive applications, 385AS-384DRB Bearing supports wheel hubs and drivetrain components, providing reliable performance under high stress. Its inch sizing makes it a good fit for American and British vehicle models.

For industrial automation, 385AS-384DRB Bearing is ideal for robotic arms and conveyor systems, thanks to its open design and standard radial clearance. The steel cage adds extra strength for long-term use.

Where Is 385AS-384DRB Bearing Used?
385AS-384DRB Bearing finds its place in agricultural machinery, like tractors and harvesters, where its tapered roller design manages heavy loads smoothly. The ABEC-1 rating ensures consistent performance.

In material handling systems, 385AS-384DRB Bearing helps maintain efficiency in forklifts and cranes. Its dynamic radial load capacity of 35600 lbf makes it suitable for demanding tasks.

Built for Heavy-Duty Use: 385AS-384DRB Bearing
385AS-384DRB Bearing is a go-to choice for railway applications, such as axle boxes, due to its robust construction and temperature resistance. The standard lubrication requirement simplifies maintenance.

In wind turbines, 385AS-384DRB Bearing handles the variable loads and high speeds typical of renewable energy systems. Its double-row setup ensures stability even in harsh weather conditions.

Automotive vs Aerospace: Applications of 385AS-384DRB Bearing
In automotive settings, 385AS-384DRB Bearing is often found in differential systems, where its combined load capacity is crucial. The inch measurements align well with industry standards.

For aerospace ground equipment, 385AS-384DRB Bearing supports landing gear testing rigs and maintenance tools. Its chrome steel rollers provide the necessary precision and reliability.

Q&A

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