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

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

The 397-393 is a single-row tapered roller bearing with a 2.36″ bore and 4.33″ 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 2.3 lb, it balances strength and manageability. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 397-393
  • Brand TFL
  • Interchangeable Timken
  • Size 2.3622" x 4.3307" x 1.063"
  • Bore Dia 2.3622"
  • 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 0.03"
  • Cup Backface ToClear Radius 0.03"
  • Cone Frontface Backing Diameter 2.68"
  • Cone Backface Backing Diameter 2.72"
  • 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 397
  • 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 2.3 lb

Features

Performance Features of 397-393 Bearing

397-393 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 22,200 lbf, making it suitable for heavy-duty applications.
The steel cage maintains roller alignment, ensuring smooth operation and reduced wear.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

Why Choose 397-393 Bearing for Precision Tasks?

397-393 Bearing features precise cone and cup width tolerances, ensuring accurate performance in demanding tasks.
The tapered roller design efficiently handles both radial and thrust loads.
Its ABEC-1 rating guarantees consistent quality for industrial applications.
The standard radial clearance allows for flexibility in different operating conditions.

Engineered for Reliability: 397-393 Bearing

397-393 Bearing’s chrome steel construction provides durability and resistance to wear.
Its dynamic thrust rating of 3,970 lbf ensures stable performance under load.
The open design simplifies lubrication, maintaining optimal operation.
With interchangeable compatibility, it offers practical replacement options.

How Does 397-393 Bearing Reduce Friction?

397-393 Bearing’s tapered roller design minimises friction during operation.
The precise alignment of rollers reduces heat generation and energy loss.
Its chrome steel components resist wear, maintaining smooth performance over time.
Proper lubrication further enhances its efficiency and lifespan.

Application

Industrial Uses of 397-393 Bearing
The 397-393 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 397-393 Bearing Used?
You’ll often find the 397-393 Bearing in automotive axles and wheel hubs, thanks to its ability to manage both radial and thrust loads. The inch sizing makes it a good fit for American-made vehicles and industrial systems.

Built for Heavy-Duty Use: 397-393 Bearing
In conveyor systems and mining equipment, the 397-393 Bearing’s robust design keeps operations running smoothly under high stress. The steel cage adds extra strength, making it reliable for long-term use.

Automotive vs Aerospace: Applications of 397-393 Bearing
While the 397-393 Bearing is popular in truck transmissions, it’s also suitable for aerospace ground support equipment. Its standard radial clearance offers flexibility for various load conditions.

Perfect Fit for Automation: 397-393 Bearing
The 397-393 Bearing works well in automated assembly lines, where precision and load capacity matter. Its open design simplifies lubrication, reducing downtime in continuous operations.

Q&A

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