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

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

The 389AS-382A is a single-row tapered roller bearing with a 2.125″ bore and 3.8125″ outer diameter, crafted from robust chrome steel. It handles combined loads up to 24200 lbf radially and 3810 lbf thrust, making it versatile for demanding applications.

Its open design simplifies 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 1.4 lb, it balances strength and manageability. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 389AS-382A
  • Brand TFL
  • Interchangeable Timken
  • Size 2.125" x 3.8125" x 0.8268"
  • Bore Dia 2.125"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.8125"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.864"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.625"
  • 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 3.50"
  • 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 389AS
  • Cup Part Number 382A
  • 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 1.400 lb

Features

Performance Features of 389AS-382A Bearing

389AS-382A 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 heavy-duty applications.

The steel cage maintains proper roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environmental conditions.

389AS-382A Bearing’s standard radial clearance allows for smooth operation under different load conditions.
Its ABEC-1 rating ensures consistent precision for industrial applications.

Application

Industrial Uses of 389AS-382A Bearing
389AS-382A Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, 389AS-382A Bearing fits well in wheel hubs and differential systems, providing reliable performance under radial and thrust loads. Its inch sizing makes it compatible with many North American vehicle models.

For industrial conveyor systems, 389AS-382A Bearing’s open design allows for easy lubrication, extending service life in high-use scenarios. The steel cage adds stability during continuous operation.

Where Is 389AS-382A Bearing Used?
You’ll often find 389AS-382A Bearing in agricultural machinery, supporting components like gearboxes and PTO shafts. Its robust design handles the vibrations and loads typical in farming equipment.

The bearing also works well in mining equipment, where its tapered rollers manage heavy radial and axial forces. The standard radial clearance option makes it versatile for various setups.

Built for Heavy-Duty Use: 389AS-382A Bearing
389AS-382A Bearing is ideal for forestry equipment, where its chrome steel rollers withstand rough conditions. The single-row design simplifies maintenance in remote locations.

In material handling systems, this bearing’s ABEC-1 rating ensures consistent performance without unnecessary precision costs. Its weight-to-load ratio makes it efficient for most industrial uses.

Automotive vs Aerospace: Applications of 389AS-382A Bearing
In automotive settings, 389AS-382A Bearing typically supports drivetrain components, balancing cost and durability. The Timken interchangeability simplifies replacements.

For aerospace ground equipment, this bearing handles moderate loads in tow tractors or loading systems. Its temperature range covers most operational conditions without special modifications.

Q&A

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