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TS (Single Row Tapered Roller Bearings) (Imperial) 386AX-383

TS (Single Row Tapered Roller Bearings) (Imperial) 386AX-383

The 386AX-383 is a single-row tapered roller bearing with a 1.875″ bore and 3.937″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 20500 lbf radially and 3210 lbf thrust, making it versatile for various applications.

Its open design allows for easy lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures from -30°C to 110°C, suitable for demanding environments.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for heavy-duty machinery, gearboxes, or automotive systems where combined loads are common.

Weighing 1.8 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe and dependable choice for industrial use.

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Product Parameters

  • Part Number 386AX-383
  • Brand TFL
  • Interchangeable Timken
  • Size 1.875" x 3.937" x 0.8268"
  • Bore Dia 1.875"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.937"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.864"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.8268"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.8268"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.03"
  • Cup Backface ToClear Radius 0.08"
  • Cone Frontface Backing Diameter 2.32"
  • Cone Backface Backing Diameter 2.2"
  • Cup Frontface Backing Diameter 3.70"
  • Cup Backface Backing Diameter 3.50"
  • Cage Cone Frontface Clearance 0.11"
  • Cage Cone Backface Clearance 0.03"
  • Effective Center Location -0.12"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 386AX
  • Cup Part Number 383
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 385
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 20500 lbf
  • Static Radial Load 24100 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 5300 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 3210 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 1.8 lb

Features

How Does 386AX-383 Bearing Handle Combined Loads?

386AX-383 Bearing is built with chrome steel rings and rollers, providing strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 20,500 lbf, ensuring reliable performance in demanding applications.
The steel cage keeps the tapered rollers aligned, reducing wear and extending service life.
With a temperature range of -30° to 110°C, it operates effectively in various conditions.

What Makes 386AX-383 Bearing Suitable for High-Temperature Applications?

386AX-383 Bearing can withstand temperatures up to 110°C, making it ideal for high-temperature environments.
The chrome steel construction ensures durability and resistance to thermal expansion.
Its open design allows for easy lubrication, maintaining smooth operation under heat stress.
This bearing is compliant with RoHS and REACH standards, ensuring environmental safety.

Engineered for Precision: 386AX-383 Bearing

386AX-383 Bearing features precise dimensions with tight tolerances, ensuring accurate performance.
The tapered roller design distributes loads evenly, reducing stress on individual components.
Its effective center location of -0.12″ enhances stability and alignment in assemblies.
With an ABEC-1 rating, it meets standard precision requirements for various applications.

Application

Key Fields for 386AX-383 Bearing
386AX-383 Bearing is widely used in industrial machinery, especially in heavy-duty applications like conveyor systems and gearboxes. Its tapered roller design efficiently handles combined loads, making it reliable for continuous operation.

What Makes 386AX-383 Bearing a Preferred Choice?
In automotive applications, 386AX-383 Bearing supports wheel hubs and differential systems, where its chrome steel construction ensures durability. The imperial sizing makes it a seamless fit for North American vehicle models.

Built for Heavy-Duty Use: 386AX-383 Bearing
For construction equipment, 386AX-383 Bearing’s robust design withstands high radial and thrust loads in excavators and cranes. The steel cage adds extra strength, ideal for demanding environments.

Automotive vs Aerospace: Applications of 386AX-383 Bearing
While 386AX-383 Bearing excels in automotive drivetrains, its precision also suits aerospace landing gear systems. The ABEC-1 rating ensures consistent performance under varying conditions.

Perfect Fit for Automation: 386AX-383 Bearing
In robotic arms and automated assembly lines, 386AX-383 Bearing offers smooth motion control. Its open design simplifies lubrication, reducing maintenance downtime.

Q&A

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