+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
397-394YD TDO (Two-Row Double-Outer Race) (Imperial)

397-394YD TDO (Two-Row Double-Outer Race) (Imperial)

The 397-394YD is a double-row tapered roller bearing with a 2.36″ bore and 4.33″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 38700 lbf and is designed for long-lasting performance in demanding conditions.

Its open design allows for easy lubrication, while the steel cage ensures smooth operation. The bearing works well in temperatures from -30°C to 110°C, making it versatile for various environments.

This model is part of the 395 series and comes with standard radial clearance. Ideal for heavy-duty applications like industrial gearboxes or vehicle axles where both radial and thrust loads are present.

Weighing 4.33 lb, it’s a robust choice for machinery requiring reliable load handling. 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 397-394YD
  • Brand TFL
  • Size 2.3622" x 4.3307" x 0.866"
  • Bore Dia 2.3622"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.3307"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 1.8125"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 0.866"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 2.0624"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 2.72"
  • Cup Frontface Backing Diameter 4.12"
  • Cage Cone Backface Clearance 0.05"
  • Dynamic Radial Load 38700 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 397
  • Cup Part Number 394YD
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 395
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 5760 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 3970 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 10000 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 4.33 lb

Features

How Is 397-394YD Bearing Engineered for Reliability?

397-394YD Bearing features a double-row tapered roller design, providing strong resistance to combined radial and thrust loads.
Its chrome steel construction ensures durability, with a dynamic radial load capacity of 38,700 lbf.
The steel cage maintains roller alignment, reducing friction and extending service life.
With a standard radial clearance option, it offers flexibility for various applications.

What Makes 397-394YD Bearing Suitable for High-Temperature Applications?

397-394YD Bearing operates reliably in temperatures ranging from -30° to 110°C.
Its chrome steel rollers and rings maintain performance under thermal stress.
The open design allows for effective lubrication, further enhancing heat resistance.
This makes it ideal for demanding industrial environments.

Designed for Durability: 397-394YD Bearing

397-394YD Bearing is built with precision-machined chrome steel components for long-lasting performance.
Its double-row construction distributes loads evenly, reducing wear and tear.
The standard radial clearance options ensure compatibility with various machinery.
This bearing is a dependable choice for heavy-duty applications.

Application

Industrial Uses of 397-394YD Bearing
The 397-394YD Bearing is commonly used in heavy machinery, such as construction equipment and mining tools, where its double-row design handles combined radial and thrust loads effectively. Its chrome steel construction ensures durability in demanding environments.

Where Is 397-394YD Bearing Used?
You’ll often find the 397-394YD Bearing in automotive applications like truck wheel hubs, where its tapered roller design provides stability under heavy loads. The inch sizing makes it a good fit for North American vehicle specifications.

Built for Heavy-Duty Use: 397-394YD Bearing
In agricultural machinery, the 397-394YD Bearing supports components like gearboxes and PTO shafts, thanks to its robust construction. The open seal type allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 397-394YD Bearing
While the 397-394YD Bearing is popular in truck axles, it’s also suitable for industrial fans and conveyor systems. Its standard radial clearance offers flexibility for various operational needs.

Key Fields for 397-394YD Bearing
The 397-394YD Bearing works well in railway applications, particularly in axle boxes, where its double-row design manages high radial loads. The steel cage adds extra strength for long-term reliability.

Q&A

SEND INQUIRY