TS (Single Row Tapered Roller Bearings) (Imperial) 399AS-394CS

The 399AS-394CS is a single-row tapered roller bearing with a 2.6875″ bore and 4.468″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 22200 lbf radially and 3970 lbf thrust-wise, suitable for moderate-speed applications.

Its open design simplifies lubrication, while the steel cage ensures durability. 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. It’s ideal for heavy-duty machinery like gearboxes or axles where combined loads are common.

Weighing 1.8 lb, it balances strength and manageability. Compliant with RoHS and REACH standards for safe industrial use.

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Description

Features

Application

Q&A

Product Parameters

Part Number 399AS-394CS
Brand TFL
Interchangeable Timken
Size 2.6875" x 4.468" x 0.8661"
Bore Dia 2.6875"
Bore Dia Tolerance +0.005" to 0
Outer Dia 4.468"
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 0.2"
Cup Backface ToClear Radius 0.050"
Cone Frontface Backing Diameter 3.54"
Cone Backface Backing Diameter 3.27"
Cup Frontface Backing Diameter 4.18"
Cup Backface Backing Diameter 4.02"
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 399AS
Cup Part Number 394CS
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

How Is 399AS-394CS Bearing Engineered for Reliability?

399AS-394CS Bearing features chrome steel rings and rollers, ensuring strength and durability under combined loads.
Its dynamic radial load capacity reaches 22,200 lbf, making it suitable for heavy-duty applications.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various environments.

Structural Advantages of 399AS-394CS Bearing

399AS-394CS Bearing is designed with a single row tapered roller construction, ideal for handling combined loads.
The chrome steel components resist wear, while the standard radial clearance ensures smooth operation.
Its effective center location of -0.03″ enhances stability and load distribution.
This design makes it a reliable choice for industrial applications.

Why Choose 399AS-394CS Bearing for Precision Tasks?

399AS-394CS Bearing offers precise performance with its ABEC-1 rating and standard radial clearance.
The tapered roller design efficiently manages both radial and thrust loads, up to 22,200 lbf and 3,970 lbf respectively.
Its steel cage ensures consistent roller positioning, reducing vibration and noise.
This makes it well-suited for applications requiring accuracy and reliability.

Application

Industrial Uses of 399AS-394CS Bearing
The 399AS-394CS 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 399AS-394CS Bearing Used?
You’ll often find 399AS-394CS Bearing in automotive applications, particularly in wheel hubs and differentials, where its robust design supports both radial and thrust loads. The inch sizing makes it a fit for many North American vehicle models.

Built for Heavy-Duty Use: 399AS-394CS Bearing
In industrial settings, 399AS-394CS Bearing excels in conveyor systems and gearboxes, thanks to its high dynamic load capacity. The open design allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 399AS-394CS Bearing
While 399AS-394CS Bearing is popular in automotive systems like axles, it’s also suitable for aerospace ground support equipment. Its precision and reliability make it versatile across different industries.

Perfect Fit for Automation: 399AS-394CS Bearing
For automated machinery, 399AS-394CS Bearing provides smooth operation in robotic arms and assembly lines. The steel cage ensures stability, even during high-speed movements.