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TS (Single Row Tapered Roller Bearings) (Imperial) 390A-394CS

TS (Single Row Tapered Roller Bearings) (Imperial) 390A-394CS

The 390A-394CS is a single-row tapered roller bearing with a 2.5″ bore and 4.468″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 22200 lbf radially and 3970 lbf thrust-wise, suitable for demanding 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, making it a practical choice for replacements. Ideal for industrial machinery or automotive systems where combined loads are common.

Weighing 2 lb, it offers a balance of strength and manageable size. Compliant with RoHS and REACH standards for safe and reliable performance.

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Product Parameters

  • Part Number 390A-394CS
  • Brand TFL
  • Interchangeable Timken
  • Size 2.5" x 4.468" x 0.8661"
  • Bore Dia 2.5"
  • 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 0.06"
  • Cup Backface ToClear Radius 0.050"
  • Cone Frontface Backing Diameter 3.39"
  • Cone Backface Backing Diameter 2.87"
  • 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 390A
  • 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 2 lb

Features

Performance Features of 390A-394CS Bearing

390A-394CS 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 proper roller alignment, reducing friction and enhancing durability.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

390A-394CS Bearing’s standard radial clearance ensures smooth operation and easy installation.
The tapered roller design efficiently handles both radial and thrust loads.

Lubrication is required for optimal performance, ensuring long service life.
Its ABEC-1 rating provides consistent precision for industrial applications.

Application

Industrial Uses of 390A-394CS Bearing
390A-394CS Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in tough working conditions.

In automotive applications, 390A-394CS Bearing fits well in wheel hubs and differential systems, providing reliable performance. Its imperial sizing makes it a convenient choice for older or American-made vehicles.

For industrial fans and pumps, 390A-394CS Bearing’s open design allows for easy lubrication, extending service life. The standard radial clearance offers flexibility for various operational needs.

What Makes 390A-394CS Bearing a Preferred Choice?
390A-394CS Bearing stands out in agricultural machinery due to its ability to manage both radial and thrust loads. The steel cage adds robustness, making it suitable for high-vibration environments.

In conveyor systems, 390A-394CS Bearing’s tapered rollers ensure smooth operation under heavy loads. Its compatibility with Timken models simplifies replacement and maintenance.

Built for Heavy-Duty Use: 390A-394CS Bearing
390A-394CS Bearing excels in mining equipment, where its high dynamic load capacity is crucial. The chrome steel rollers resist wear, even in abrasive conditions.

For gearboxes, 390A-394CS Bearing’s precise tolerances ensure consistent performance. The ABEC-1 rating makes it a reliable choice for general industrial applications.

Automotive vs Aerospace: Applications of 390A-394CS Bearing
In automotive drivetrains, 390A-394CS Bearing handles high torque and axial loads effectively. Its inch measurements align with many US-made components.

For aerospace ground support equipment, 390A-394CS Bearing’s temperature range suits various climates. The open seal type simplifies inspections and relubrication.

Q&A

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