TS (Single Row Tapered Roller Bearings) (Imperial) 390A-394AS

The 390A-394AS is a single-row tapered roller bearing with a 2.5″ bore and 4.3307″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 22200 lbf radially and 3970 lbf thrust, making it versatile for various applications.

Its open design allows for 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 1.8 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for diverse environments.

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Description

Features

Application

Q&A

Product Parameters

Part Number 390A-394AS
Brand TFL
Interchangeable Timken
Size 2.5" x 4.3307" x 0.8661"
Bore Dia 2.5"
Bore Dia Tolerance +0.005" to 0
Outer Dia 4.3307"
Outer Dia Tolerance +0.001" to 0
Cone Width 0.866"
Cone Width Tolerance +0.003" to -0.01
Cup Width 0.7411"
Cup Width Tolerance +0.002" to -0.01
Width 0.8661"
Width Tolerance +0.008" to 0
Cone Backface ToClear Radius 0.06"
Cup Backface ToClear Radius 0.130"
Cone Frontface Backing Diameter 3.39"
Cone Backface Backing Diameter 2.87"
Cup Frontface Backing Diameter 4.12"
Cup Backface Backing Diameter 3.90"
Cage Cone Frontface Clearance 0.11"
Cage Cone Backface Clearance 0.05"
Effective Center Location -0.03"
System of Measurement Inch
Type Bearing
Cone Part Number 390A
Cup Part Number 394AS
Bearing Type Roller
Roller Bearing Type Tapered
For Load Direction Combined
Construction Single Row
Seal Type Open
Cups Type Standard
Series 395
Ring Material Chrome Steel
Roller Material Chrome Steel
Cage Material Steel
Dynamic Radial Load 22200 lbf
Static Radial Load 28100 lbf
Dynamic Radial Rating(90 Million Revolutions)(C90) 5760 lbf
Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 3970 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

Why Choose 390A-394AS Bearing for Precision Tasks?

390A-394AS Bearing is crafted with chrome steel rings and rollers, ensuring durability and strength for combined load applications.
Its dynamic radial load capacity of 22200 lbf makes it suitable for heavy-duty operations.

The tapered roller design provides effective load distribution, enhancing performance and longevity.
With a standard radial clearance option, it offers flexibility for various precision requirements.

390A-394AS Bearing operates efficiently within a temperature range of -30° to 110°C.
The steel cage maintains roller alignment, reducing friction and wear over time.

Application

Industrial Uses of 390A-394AS Bearing
390A-394AS Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in tough working conditions.

Where Is 390A-394AS Bearing Used?
You’ll often find 390A-394AS Bearing in automotive applications like truck wheel hubs, where its ability to manage both radial and thrust loads is essential. The inch sizing makes it a good fit for vehicles using imperial measurements.

Built for Heavy-Duty Use: 390A-394AS Bearing
390A-394AS Bearing excels in industrial settings like conveyor systems, where its open design allows for easy lubrication and maintenance. The steel cage adds extra strength, making it reliable for continuous operation.

Automotive vs Aerospace: Applications of 390A-394AS Bearing
In automotive systems, 390A-394AS Bearing supports heavy loads in drivetrains, while in aerospace, its precision helps with landing gear mechanisms. The ABEC-1 rating ensures consistent performance across different industries.

Key Fields for 390A-394AS Bearing
390A-394AS Bearing is a solid choice for mining equipment, where its robust design handles high radial loads. The standard radial clearance also makes it adaptable to various operational demands.