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

The 389-382A is a single-row tapered roller bearing with a 2.188″ bore and 3.8125″ 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 for easy lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures ranging from -30°C to 110°C, suitable for demanding environments.

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

Weighing 1.400 lb, it balances strength and manageability. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Description

Features

Application

Q&A

Product Parameters

Part Number 389-382A
Brand TFL
Interchangeable Timken
Size 2.188" x 3.8125" x 0.8268"
Bore Dia 2.188"
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 0.09"
Cup Backface ToClear Radius 0.03"
Cone Frontface Backing Diameter 2.4"
Cone Backface Backing Diameter 2.56"
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 389
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

How Is 389-382A Bearing Engineered for Reliability?

389-382A Bearing is crafted from chrome steel for both rings and rollers, ensuring strength and durability.
Its dynamic radial load capacity reaches 24,200 lbf, making it suitable for heavy-duty applications.

The single-row tapered roller design efficiently handles combined loads, providing stable performance.
With a standard radial clearance, it offers flexibility for various operational conditions.

389-382A Bearing operates within a temperature range of -30° to 110°C, adapting to diverse environments.
Its steel cage maintains roller alignment, reducing friction and extending service life.

Application

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

Where Is 389-382A Bearing Used?
You’ll often find 389-382A Bearing in automotive applications, particularly in wheel hubs and differential systems. Its inch sizing makes it a reliable choice for vehicles requiring precise load distribution.

Built for Heavy-Duty Use: 389-382A Bearing
This bearing excels in industrial settings like conveyor systems, where its open design simplifies maintenance. The steel cage adds extra strength, making it suitable for high-load scenarios.

Automotive vs Aerospace: Applications of 389-382A Bearing
In automotive systems, 389-382A Bearing supports wheel assemblies, while in aerospace, it’s used in auxiliary gearboxes. Its ABEC-1 rating ensures consistent performance across different industries.

Perfect Fit for Automation: 389-382A Bearing
For automated machinery, 389-382A Bearing offers smooth operation in robotic arms and assembly lines. Its standard radial clearance allows for easy integration into various setups.