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TS (Single Row Tapered Roller Bearings) (Imperial) 392-393A

TS (Single Row Tapered Roller Bearings) (Imperial) 392-393A

The 392-393A is a single-row tapered roller bearing with a 2.4375″ bore and 4.4375″ 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 392-393A
  • Brand TFL
  • Interchangeable Timken
  • Size 2.4375" x 4.4375" x 0.8751"
  • Bore Dia 2.4375"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.4375"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.866"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.625"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.8751"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.03"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 2.72"
  • Cone Backface Backing Diameter 2.76"
  • Cup Frontface Backing Diameter 4.15"
  • 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 392
  • Cup Part Number 393A
  • 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 392-393A Bearing

392-393A Bearing is built with chrome steel rings and rollers, offering strong resistance to combined 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 operational life.
With a temperature range of -30° to 110°C, it performs well in various environments.

How Is 392-393A Bearing Engineered for Reliability?

392-393A Bearing features a tapered roller design, optimised for handling both radial and thrust loads.
The chrome steel construction provides durability, while the standard radial clearance ensures smooth operation.
Its dynamic thrust rating of 3,970 lbf makes it suitable for heavy-duty applications.
The open design allows for easy lubrication, maintaining performance over time.

Built for Durability: 392-393A Bearing

392-393A Bearing’s single-row construction ensures stability under high combined loads.
The precise tolerances, with bore diameter tolerance of +0.005″ to 0, enhance its reliability.
Its effective center location of -0.03″ improves load distribution, reducing wear.
Weighing just 2 lb, it balances strength and ease of handling.

Steel vs Ceramic Bearings: Strengths of 392-393A Bearing

392-393A Bearing uses chrome steel for both rings and rollers, offering excellent strength and wear resistance.
The steel cage ensures proper roller alignment, even under heavy loads.
With a static radial load capacity of 28,100 lbf, it outperforms many alternatives.
Its ABEC-1 rating confirms its precision and reliability in various applications.

Application

Industrial Uses of 392-393A Bearing
The 392-393A 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 in tough working conditions.

What Makes 392-393A Bearing a Preferred Choice?
In automotive applications, 392-393A Bearing fits well in wheel hubs and drivetrains, offering reliable performance under radial and thrust loads. The inch sizing makes it a straightforward replacement for Timken equivalents in many vehicles.

Built for Heavy-Duty Use: 392-393A Bearing
This bearing excels in industrial fans and pumps, where its open design allows for easy lubrication and maintenance. The steel cage provides added strength, making it suitable for high-load scenarios.

Automotive vs Aerospace: Applications of 392-393A Bearing
While 392-393A Bearing is popular in truck axles and off-road vehicles, its precision also suits aerospace landing gear components. The ABEC-1 rating ensures consistent performance in both fields.

Perfect Fit for Automation: 392-393A Bearing
In automated conveyor systems, 392-393A Bearing’s tapered rollers reduce friction, ensuring smooth operation over long periods. Its standard radial clearance options make it adaptable to various speed requirements.

Q&A

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