+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
TS (Single Row Tapered Roller Bearings) (Imperial) 399A-393

TS (Single Row Tapered Roller Bearings) (Imperial) 399A-393

The 399A-393 is a single-row tapered roller bearing with a 2.6875″ bore and 4.3307″ outer diameter, crafted from sturdy chrome steel. It handles combined loads, with a dynamic radial capacity of 22200 lbf and thrust capacity of 3970 lbf.

Its open design allows for 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, making it a practical choice for replacements. Ideal for heavy-duty applications like axles or gearboxes where combined loads are common.

Weighing 1.9 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe use.

Get A Free Quote
    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number 399A-393
  • Brand TFL
  • Interchangeable Timken
  • Size 2.6875" x 4.3307" x 1.063"
  • Bore Dia 2.6875"
  • 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 0.09"
  • Cup Backface ToClear Radius 0.03"
  • Cone Frontface Backing Diameter 3.54"
  • Cone Backface Backing Diameter 3.07"
  • 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 399A
  • 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 1.900 lb

Features

Performance Features of 399A-393 Bearing

399A-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, ensuring reliable performance in various applications.
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 diverse environments.

How Is 399A-393 Bearing Engineered for Reliability?

399A-393 Bearing features a single-row tapered roller design, providing stability under heavy loads.
The chrome steel construction enhances durability, while the standard radial clearance ensures smooth operation.
Its dynamic thrust rating of 3,970 lbf makes it suitable for demanding tasks.
The open seal type allows for easy lubrication, maintaining efficiency over time.

Built for Durability: 399A-393 Bearing

399A-393 Bearing’s chrome steel components resist wear, ensuring long service life.
The tapered roller design handles both radial and thrust loads efficiently.
With a static radial load capacity of 28,100 lbf, it excels in heavy-duty applications.
The steel cage keeps rollers in place, reducing maintenance needs.

Steel vs Ceramic Bearings: Strengths of 399A-393 Bearing

399A-393 Bearing uses chrome steel for both rings and rollers, offering excellent strength.
Its dynamic radial rating of 5,760 lbf ensures reliable performance over millions of revolutions.
The steel cage provides robust support, while the open design simplifies lubrication.
With an ABEC-1 rating, it balances precision and durability for various industrial uses.

Application

Industrial Uses of 399A-393 Bearing
The 399A-393 Bearing is widely used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability even in demanding environments.

In automotive applications, 399A-393 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. The inch sizing makes it compatible with many North American vehicle models.

For industrial automation, 399A-393 Bearing supports conveyor systems and robotic arms, where its open design allows for easy lubrication. The steel cage adds stability, making it suitable for high-use scenarios.

Where Is 399A-393 Bearing Used?
You’ll often find 399A-393 Bearing in mining equipment, where its robust design handles heavy radial and thrust loads. The standard radial clearance ensures smooth operation in dusty conditions.

In manufacturing plants, 399A-393 Bearing is a go-to for gearboxes and pulleys, thanks to its reliable performance. The ABEC-1 rating makes it a cost-effective choice for general machinery.

Built for Heavy-Duty Use: 399A-393 Bearing
The 399A-393 Bearing excels in forestry machinery, where its tapered rollers manage uneven loads effortlessly. Its temperature range (-30° to 110°C) suits both cold and hot working environments.

In material handling systems, 399A-393 Bearing’s steel cage and chrome steel rollers ensure long service life. The easy lubrication feature reduces downtime, keeping operations running smoothly.

Automotive vs Aerospace: Applications of 399A-393 Bearing
In automotive settings, 399A-393 Bearing is ideal for drivetrains, offering stability under combined loads. Its inch measurements align with many standard vehicle designs.

For aerospace ground equipment, 399A-393 Bearing provides reliable support in landing gear systems. The chrome steel material meets the industry’s need for corrosion resistance and strength.

Q&A

SEND INQUIRY