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TS (Single Row Tapered Roller Bearings) (Imperial) 397-393AS

TS (Single Row Tapered Roller Bearings) (Imperial) 397-393AS

The 397-393AS is a single-row tapered roller bearing with a 2.36″ bore and 4.38″ 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 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 just 2lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 397-393AS
  • Brand TFL
  • Interchangeable Timken
  • Size 2.3622" x 4.375" x 0.8661"
  • Bore Dia 2.3622"
  • 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 0.03"
  • Cup Backface ToClear Radius 0.050"
  • Cone Frontface Backing Diameter 2.68"
  • Cone Backface Backing Diameter 2.72"
  • 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 397
  • 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 2 lb

Features

How Does 397-393AS Bearing Handle Combined Loads?

397-393AS Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 22,200 lbf, ensuring reliable performance in demanding conditions.
The steel cage maintains roller alignment, reducing friction and extending service life.
With a temperature range of -30° to 110°C, it performs well in various environments.

What Ensures Smooth Operation in 397-393AS Bearing?

397-393AS Bearing features a tapered roller design, optimised for smooth operation under combined loads.
The chrome steel construction provides durability, while the steel cage ensures proper roller spacing.
Its effective centre location of -0.03″ enhances stability during rotation.
Standard radial clearance options allow for flexibility in different applications.

Engineered for Precision: 397-393AS Bearing

397-393AS Bearing is designed with precise tolerances, ensuring accurate performance in imperial applications.
The single row construction simplifies installation, while the open seal type allows for easy lubrication.
With an ABEC-1 rating, it balances precision and cost-effectiveness.
The tapered roller design efficiently handles both radial and thrust loads.

Application

Industrial Uses of 397-393AS Bearing
The 397-393AS Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability even in demanding environments.

Where Is 397-393AS Bearing Used?
You’ll often find the 397-393AS Bearing in automotive applications, particularly in wheel hubs and drivetrains, where its high radial and thrust load capacity is essential. The inch sizing makes it a good fit for American-made vehicles.

Built for Heavy-Duty Use: 397-393AS Bearing
This 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 397-393AS Bearing
In automotive systems, the 397-393AS Bearing supports high-load components like axles, while in aerospace, its precision is valued for landing gear mechanisms. The ABEC-1 rating ensures consistent performance across both fields.

Perfect Fit for Automation: 397-393AS Bearing
The 397-393AS Bearing works well in automated machinery, such as robotic arms, where its tapered rollers provide smooth motion under varying loads. Its temperature range also suits most factory environments.

Q&A

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