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

The 399AS-393 is a single-row tapered roller bearing with a 2.6875″ bore and 4.3307″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 22200 lbf radially and 3970 lbf thrust, suitable for demanding applications.

Its open design allows easy 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. Ideal for heavy machinery or automotive systems where combined loads are common.

Weighing 1.900 lb, it balances strength and practicality. Compliant with RoHS and REACH standards for safe and versatile use.

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Description

Features

Application

Q&A

Product Parameters

Part Number 399AS-393
Brand TFL
Interchangeable Timken
Size 2.6875" x 4.3307" x 1.063"
Bore Dia 2.6875"
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 1.063"
Cup Width Tolerance +0.002" to -0.01
Width 1.063"
Width Tolerance +0.008" to 0
Cone Backface ToClear Radius 0.2"
Cup Backface ToClear Radius 0.03"
Cone Frontface Backing Diameter 3.54"
Cone Backface Backing Diameter 3.27"
Cup Frontface Backing Diameter 4.21"
Cup Backface Backing Diameter 3.94"
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 393
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 1.900 lb

Features

Performance Features of 399AS-393 Bearing

399AS-393 Bearing is crafted with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 22,200 lbf, making it suitable for heavy-duty applications.

The tapered roller design ensures efficient load distribution, reducing stress on individual components.
With a standard radial clearance, it provides reliable operation in various industrial settings.

399AS-393 Bearing operates within a temperature range of -30° to 110°C, ensuring versatility in different environments.
The steel cage maintains roller alignment, enhancing durability and reducing maintenance needs.

Application

Key Fields for 399AS-393 Bearing
In industrial settings, 399AS-393 Bearing is commonly used in heavy machinery like conveyor systems and gearboxes, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability in demanding environments.

Where Is 399AS-393 Bearing Used?
You’ll often find 399AS-393 Bearing in automotive applications, particularly in wheel hubs and differential systems. Its inch sizing makes it a reliable choice for American-made vehicles, offering smooth performance under radial and thrust loads.

Built for Heavy-Duty Use: 399AS-393 Bearing
For construction equipment, 399AS-393 Bearing provides robust support in excavators and cranes. The steel cage and chrome steel rollers enhance its longevity, even under continuous stress.

Automotive vs Aerospace: Applications of 399AS-393 Bearing
In automotive systems, 399AS-393 Bearing excels in transmissions and axles, while its precision also suits aerospace landing gear components. The ABEC-1 rating ensures consistent performance across both industries.

Practical Applications of 399AS-393 Bearing
In agricultural machinery, 399AS-393 Bearing is ideal for tractors and harvesters, where its open design allows for easy lubrication. The standard radial clearance adapts well to varying load conditions.