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

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

The 399AS-393AS is a single-row tapered roller bearing with a 2.6875″ bore and 4.375″ 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 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 1.7 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for most environments.

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Product Parameters

  • Part Number 399AS-393AS
  • Brand TFL
  • Interchangeable Timken
  • Size 2.6875" x 4.375" x 0.8661"
  • Bore Dia 2.6875"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.375"
  • 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 4.15"
  • Cup Backface Backing Diameter 3.98"
  • 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 393AS
  • 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 1.7 lb

Features

How Is 399AS-393AS Bearing Engineered for Reliability?

399AS-393AS Bearing features chrome steel rings and rollers, providing 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 even load distribution, reducing stress and extending service life.
With a standard radial clearance, it offers flexibility for various operational conditions.

399AS-393AS Bearing operates efficiently within a temperature range of -30° to 110°C.
Its steel cage maintains roller alignment, ensuring smooth and reliable operation.

The open design simplifies lubrication, helping to maintain optimal performance.
Weighing just 1.7 lb, it balances strength and ease of handling.

Application

Common Applications of 399AS-393AS Bearing
399AS-393AS Bearing is widely used in industrial machinery, especially in heavy-duty equipment like conveyor systems and gearboxes. Its tapered roller design efficiently handles combined loads, making it reliable for continuous operation.

In automotive applications, 399AS-393AS Bearing supports axle assemblies and wheel hubs, where its durability ensures smooth performance under varying loads. The imperial sizing makes it compatible with many North American vehicle models.

For construction equipment, 399AS-393AS Bearing’s chrome steel construction provides strength in harsh environments, such as excavators and cranes. The steel cage enhances its ability to withstand heavy impacts and vibrations.

In agricultural machinery, 399AS-393AS Bearing is often found in tractors and harvesters, where its robust design handles dirt and debris. The open seal type allows for easy lubrication, extending its service life.

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