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TS (Single Row Tapered Roller Bearings) (Imperial) 392-394A

TS (Single Row Tapered Roller Bearings) (Imperial) 392-394A

The 392-394A is a single-row tapered roller bearing with a 2.4375″ bore and 4.3307″ 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. 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 heavy-duty machinery or automotive systems where combined loads are common.

Weighing 1.900 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe use.

The standard radial clearance and ABEC-1 rating ensure consistent performance. Suitable for industrial settings requiring dependable load handling.

Its tapered roller design provides efficient load distribution. Perfect for applications like gearboxes or wheel hubs.

The bearing’s dimensions and tolerances ensure precise fitment. A practical choice for maintenance or new installations.

With a dynamic radial rating of 5760 lbf at 90 million revolutions, it offers long service life. Ready for use in demanding environments.

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Product Parameters

  • Part Number 392-394A
  • Brand TFL
  • Interchangeable Timken
  • Size 2.4375" x 4.3307" x 0.8661"
  • Bore Dia 2.4375"
  • 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 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 2.72"
  • Cone Backface Backing Diameter 2.76"
  • 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 392
  • Cup Part Number 394A
  • 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 1.900 lb

Features

Performance Features of 392-394A Bearing

392-394A Bearing is constructed with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 22,200 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, enhancing durability and reducing friction.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Is 392-394A Bearing Engineered for Reliability?

392-394A Bearing features a tapered roller design, optimised for handling both radial and thrust loads.
The chrome steel construction provides excellent resistance to wear, ensuring long service life.
Its standard radial clearance allows for smooth operation in diverse applications.
The bearing’s effective centre location enhances stability and load distribution.

Built for Durability: 392-394A Bearing

392-394A Bearing’s single-row construction simplifies installation while maintaining high load capacity.
The open seal design allows for easy lubrication, reducing maintenance requirements.
With a static radial load rating of 28,100 lbf, it excels in demanding environments.
The bearing’s ABEC-1 rating ensures consistent performance for precision applications.

Steel vs Ceramic Bearings: Strengths of 392-394A Bearing

392-394A Bearing uses chrome steel for both rollers and rings, balancing cost and performance.
Its dynamic thrust rating of 3,970 lbf makes it versatile for various load conditions.
The standard width tolerance of +0.008″ to 0 ensures easy integration into existing systems.
This bearing is interchangeable with Timken models, offering flexibility in replacements.

Application

Common Applications of 392-394A Bearing
In industrial settings, 392-394A Bearing is commonly used in heavy machinery like gearboxes and conveyor systems, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.
For automotive applications, 392-394A Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a convenient choice for American-made vehicles.
In construction equipment, 392-394A Bearing supports axles and drivetrains, where its robust design withstands high radial and thrust loads. The open seal type allows for easy lubrication, extending service life in tough conditions.

Where Is 392-394A Bearing Used?
You’ll often find 392-394A Bearing in agricultural machinery, particularly in tractor transmissions and harvesters. Its tapered rollers efficiently manage both radial and axial forces during operation.
The bearing also works well in mining equipment, where its sturdy construction handles the extreme loads encountered in crushers and screens. Standard radial clearance makes it adaptable to various operational conditions.

Built for Heavy-Duty Use: 392-394A Bearing
392-394A Bearing excels in forestry equipment like log splitters and sawmills, where its combined load capacity is put to good use. The steel cage provides additional strength for these challenging applications.
In material handling systems, 392-394A Bearing performs reliably in forklift axles and crane mechanisms. Its ABEC-1 rating ensures sufficient precision for most industrial needs without unnecessary cost.

Automotive vs Industrial: Applications of 392-394A Bearing
For truck applications, 392-394A Bearing is frequently specified for rear axles due to its high dynamic radial load capacity. The Timken interchangeability adds to its versatility in repair scenarios.
In industrial fans and blowers, 392-394A Bearing provides stable support for rotating shafts. The standard width tolerance allows for straightforward installation in various housing designs.

Practical Applications of 392-394A Bearing
392-394A Bearing finds use in railway maintenance equipment, particularly in bogie assemblies where combined loads are common. The temperature range suits both indoor and outdoor operation.
For pump systems, 392-394A Bearing offers reliable performance in both horizontal and vertical configurations. Its lubrication requirement is easily met with standard greases used in industrial maintenance.

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