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

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

The 399A-393C is a single-row tapered roller bearing with a 2.6875″ bore and 4.468″ 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 1.900 lb, it balances strength and manageability. Compliant with RoHS and REACH standards for safe and sustainable use.

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Product Parameters

  • Part Number 399A-393C
  • Brand TFL
  • Interchangeable Timken
  • Size 2.6875" x 4.468" x 0.931"
  • Bore Dia 2.6875"
  • 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 0.806"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.931"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.09"
  • Cup Backface ToClear Radius 0.06"
  • Cone Frontface Backing Diameter 3.54"
  • Cone Backface Backing Diameter 3.07"
  • 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 399A
  • Cup Part Number 393C
  • 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-393C Bearing

399A-393C 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 service life.
With a temperature range of -30° to 110°C, it performs well in various environments.

399A-393C Bearing requires lubrication, ensuring smooth operation and reduced wear over time.
Its standard radial clearance makes it versatile for different applications.

Application

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

In automotive applications, 399A-393C Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. The imperial sizing makes it a convenient choice for North American vehicle models.

For industrial conveyors, 399A-393C Bearing’s open design allows easy lubrication, extending service life in high-use scenarios. The steel cage adds extra strength, making it suitable for continuous operation.

Where Is 399A-393C Bearing Used?
You’ll often find 399A-393C Bearing in agricultural machinery, like tractors and harvesters, where its robust design handles rough terrain. The tapered rollers distribute loads evenly, reducing wear.

In manufacturing plants, 399A-393C Bearing supports conveyor belts and assembly lines, ensuring smooth movement under heavy loads. Its standard radial clearance offers flexibility for different operational needs.

Built for Heavy-Duty Use: 399A-393C Bearing
The 399A-393C Bearing excels in forestry equipment, such as log splitters, where its combined load capacity is essential. The chrome steel rollers resist deformation under pressure.

In material handling systems, 399A-393C Bearing’s durability keeps operations running smoothly, even with frequent starts and stops. Its ABEC-1 rating ensures consistent performance for general industrial use.

Automotive vs Aerospace: Applications of 399A-393C Bearing
In automotive systems, 399A-393C Bearing is a go-to for drivetrain components, offering reliability at moderate speeds. The imperial measurements simplify replacements in older vehicles.

For aerospace ground support equipment, 399A-393C Bearing provides sturdy performance in load-bearing applications. Its temperature range suits both indoor and outdoor use.

Q&A

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