TS (Single Row Tapered Roller Bearings) (Imperial) 399A-393WE

The 399A-393WE is a single-row tapered roller bearing with a 2.6875″ bore and 4.59″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 22200 lbf radially and 3970 lbf in 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 from -30°C to 110°C, suitable for demanding environments.

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 2.7 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for most applications. The standard radial clearance ensures easy installation and maintenance.

Get A Free Quote

Description

Features

Application

Q&A

Product Parameters

Part Number 399A-393WE
Brand TFL
Interchangeable Timken
Size 2.6875" x 4.59" x 1.3109"
Bore Dia 2.6875"
Bore Dia Tolerance +0.005" to 0
Outer Dia 4.59"
Outer Dia Tolerance +0.001" to 0
Cone Width 0.866"
Cone Width Tolerance +0.003" to -0.01
Cup Width 1.1859"
Cup Width Tolerance +0.002" to -0.01
Width 1.3109"
Width Tolerance +0.008" to 0
Cone Backface ToClear Radius 0.09"
Cup Backface ToClear Radius 0.03"
Cone Frontface Backing Diameter 3.54"
Cone Backface Backing Diameter 3.07"
Cup Frontface Backing Diameter 4.18"
Cup Backface Backing Diameter 4.09"
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 399A
Cup Part Number 393WE
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 2.700 lb

Features

Performance Features of 399A-393WE Bearing

399A-393WE Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 22,200 lbf, ensuring reliable performance in various applications.

The single-row tapered roller design provides stability and reduces friction during operation.
With a temperature range of -30° to 110°C, it performs well in diverse environmental conditions.

399A-393WE Bearing’s steel cage keeps the rollers aligned, enhancing durability and service life.
Its standard radial clearance and ABEC-1 rating make it suitable for precision tasks.

The open seal type allows for easy lubrication, maintaining smooth operation over time.
Weighing just 2.700 lb, it balances strength and portability for industrial use.

Application

Industrial Uses of 399A-393WE Bearing
The 399A-393WE Bearing is commonly used in heavy machinery, such as construction equipment and mining tools, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability in tough working conditions.

Where Is 399A-393WE Bearing Used?
You’ll often find the 399A-393WE Bearing in automotive applications like truck wheel hubs, where its ability to manage radial and thrust loads is essential. The inch sizing makes it a good fit for North American vehicle designs.

Built for Heavy-Duty Use: 399A-393WE Bearing
In industrial gearboxes, the 399A-393WE Bearing provides reliable performance, thanks to its robust steel cage and precise tolerances. It’s a solid choice for applications requiring long-term stability under heavy loads.

Automotive vs Aerospace: Applications of 399A-393WE Bearing
While the 399A-393WE Bearing excels in automotive systems like differentials, it’s also suitable for aerospace ground support equipment. Its ABEC-1 rating ensures consistent performance in both fields.

Perfect Fit for Automation: 399A-393WE Bearing
The 399A-393WE Bearing works well in automated conveyor systems, where its tapered rollers reduce friction and wear. Its open design allows for easy lubrication, extending service life in high-use environments.