+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
TS (Single Row Tapered Roller Bearings) (Imperial) 390A-394XS

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

The 390A-394XS is a single-row tapered roller bearing with a 2.5″ bore and 4.3301″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 22200 lbf radially and 3970 lbf thrust, 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.

Interchangeable with Timken models, it’s a practical choice for replacements. Ideal for machinery like gearboxes or axles where combined loads are common.

Weighing 1.9 lb, it balances strength and manageable size. Compliant with RoHS and REACH standards for safe and reliable performance.

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

Product Parameters

  • Part Number 390A-394XS
  • Brand TFL
  • Interchangeable Timken
  • Size 2.5" x 4.3301" x 0.935"
  • Bore Dia 2.5"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.3301"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.866"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.748"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.935"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.06"
  • Cup Backface ToClear Radius 0.02"
  • Cone Frontface Backing Diameter 3.39"
  • Cone Backface Backing Diameter 2.87"
  • Cup Frontface Backing Diameter 4.11"
  • 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 390A
  • Cup Part Number 394XS
  • 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 390A-394XS Bearing

390A-394XS 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 applications.

The steel cage maintains proper roller alignment, reducing friction and extending service life.
With a temperature range of -30° to 110°C, it performs well in various operating conditions.

390A-394XS Bearing requires lubrication, but its robust design minimises maintenance needs.
The standard radial clearance allows for smooth operation in most industrial settings.

Its tapered roller design efficiently handles both radial and thrust loads.
The ABEC-1 rating ensures consistent precision for general engineering applications.

Application

Industrial Uses of 390A-394XS Bearing
390A-394XS Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, 390A-394XS Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its inch sizing makes it compatible with many North American vehicle models.

For industrial conveyor systems, 390A-394XS Bearing’s open design allows for easy lubrication, extending service life in high-use scenarios. The steel cage adds extra strength, making it suitable for continuous operation.

Where Is 390A-394XS Bearing Used?
You’ll often find 390A-394XS Bearing in agricultural machinery, where its robust design handles rough conditions. The tapered rollers distribute loads evenly, reducing wear over time.

In mining equipment, 390A-394XS Bearing’s high dynamic radial load capacity ensures smooth operation under heavy stress. The standard radial clearance option makes it versatile for different setups.

Built for Heavy-Duty Use: 390A-394XS Bearing
390A-394XS Bearing excels in forestry equipment, where its combined load capability is essential. The chrome steel rollers provide long-lasting performance even in harsh conditions.

For railway applications, 390A-394XS Bearing’s precise tolerances ensure reliable operation under constant vibration. The ABEC-1 rating balances performance and cost for industrial needs.

Automotive vs Aerospace: Applications of 390A-394XS Bearing
In automotive systems, 390A-394XS Bearing is ideal for drivetrain components, offering stability under high torque. The inch measurements align with many standard designs.

For aerospace ground support equipment, 390A-394XS Bearing’s temperature range suits various operational conditions. Its steel cage provides the necessary strength for intermittent heavy loads.

Q&A

SEND INQUIRY