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TS (Single Row Tapered Roller Bearings) (Imperial) 389AS-382

TS (Single Row Tapered Roller Bearings) (Imperial) 389AS-382

The 389AS-382 is a single-row tapered roller bearing with a 2.125″ bore and 3.875″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 24200 lbf radially and 3810 lbf thrust, making it versatile for various applications.

Its open design allows easy lubrication, while the steel cage ensures durability under heavy use. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

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

Weighing 1.5 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for most environments. The standard radial clearance can be adjusted to C3, C4, or C5 if needed.

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Product Parameters

  • Part Number 389AS-382
  • Brand TFL
  • Interchangeable Timken
  • Size 2.125" x 3.875" x 0.8268"
  • Bore Dia 2.125"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.875"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.864"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.7018"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.8268"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.06"
  • Cup Backface ToClear Radius 0.03"
  • Cone Frontface Backing Diameter 2.36"
  • Cone Backface Backing Diameter 2.44"
  • Cup Frontface Backing Diameter 3.66"
  • Cup Backface Backing Diameter 3.54"
  • 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 389AS
  • Cup Part Number 382
  • 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 24200 lbf
  • Static Radial Load 24100 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 6280 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 3810 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 1.500 lb

Features

Performance Features of 389AS-382 Bearing

389AS-382 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 24,200 lbf, ensuring reliable performance in demanding conditions.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environments.

How Is 389AS-382 Bearing Engineered for Reliability?

389AS-382 Bearing features a single-row tapered roller design, optimised for handling both radial and thrust loads.
The chrome steel construction provides durability, while the standard radial clearance ensures smooth operation.
Its effective centre location of -0.12″ enhances stability under heavy loads.
This bearing is interchangeable with Timken models, offering flexibility in replacements.

Built for Durability: 389AS-382 Bearing

389AS-382 Bearing’s chrome steel rollers and rings are designed to withstand high dynamic and static loads.
The open seal type allows for easy lubrication, maintaining performance over time.
With an ABEC-1 rating, it balances precision and cost-effectiveness.
Its standard C3/C4/C5 radial clearance options cater to different application needs.

Application

Industrial Uses of 389AS-382 Bearing
389AS-382 Bearing is commonly used in heavy-duty industrial equipment like conveyor systems and gearboxes, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability in demanding environments.

In automotive applications, 389AS-382 Bearing supports components such as wheel hubs and differential systems, providing reliable performance under high stress. Its inch sizing makes it a fit for many American and British vehicle models.

For agricultural machinery, 389AS-382 Bearing’s robust design withstands the harsh conditions of tractors and harvesters. The open seal type allows for easy lubrication, extending its service life in dusty fields.

Where Is 389AS-382 Bearing Used?
You’ll often find 389AS-382 Bearing in construction equipment like excavators and cranes, where its ability to manage radial and thrust loads is crucial. The steel cage adds extra strength for heavy lifting tasks.

In mining operations, 389AS-382 Bearing performs well in crushers and screening plants, thanks to its high dynamic load capacity. The standard radial clearance ensures smooth operation even under constant vibration.

Built for Heavy-Duty Use: 389AS-382 Bearing
389AS-382 Bearing is ideal for forestry machinery, where it handles the rough terrain and variable loads of log skidders. The ABEC-1 rating provides a balance of precision and durability for these applications.

In material handling systems, 389AS-382 Bearing’s tapered rollers reduce friction, improving efficiency in forklifts and pallet jacks. The inch measurements make it easy to replace in existing setups.

Automotive vs Aerospace: Applications of 389AS-382 Bearing
In automotive settings, 389AS-382 Bearing is trusted for drivetrain components due to its combined load capability. The chrome steel rollers ensure longevity even with frequent starts and stops.

For aerospace ground support equipment, 389AS-382 Bearing offers reliable performance in tow tractors and cargo loaders. The temperature range suits both indoor and outdoor operations.

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