+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
55175-55444D TDO (Two-Row Double-Outer Race) (Imperial)

55175-55444D TDO (Two-Row Double-Outer Race) (Imperial)

The 55175-55444D is a two-row tapered roller bearing with a 1.75″ bore and 4.4375″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 49400 lbf and is designed for long-lasting performance.

Its double-row construction provides extra stability, while the open design allows for easy lubrication. The bearing operates smoothly in temperatures from -30°C to 110°C.

This model is part of the 55000 series and comes with standard cups for straightforward installation. Ideal for heavy-duty applications like truck axles or industrial gearboxes where both radial and thrust loads are present.

Weighing 6.42 lb, it’s a robust choice for demanding environments. Compliant with RoHS and REACH standards, ensuring safe and reliable use.

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

Product Parameters

  • Part Number 55175-55444D
  • Brand TFL
  • Size 1.75" x 4.4375" x 1.0594"
  • Bore Dia 1.75"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.4375"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 1.8125"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 1.0594"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 2.5624"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.06"
  • Cone Backface Backing Diameter 2.64"
  • Cup Frontface Backing Diameter 4.15"
  • Cage Cone Backface Clearance 0.16"
  • Dynamic Radial Load 49400 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 55175
  • Cup Part Number 55444D
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 55000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 7350 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 11100 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 12800 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 6.42 lb

Features

How Is 55175-55444D Bearing Engineered for Reliability?

55175-55444D Bearing features a double-row tapered roller design, providing robust support for combined radial and thrust loads.
Its chrome steel construction ensures durability and resistance to wear in demanding applications.

The bearing’s dynamic radial load capacity reaches 49,400 lbf, making it suitable for heavy-duty machinery.
Precision tolerances on bore and outer diameters enhance its performance and longevity.

With a standard radial clearance option, 55175-55444D Bearing offers flexibility for various operating conditions.
Its open design allows for easy lubrication, maintaining smooth operation over time.

The steel cage keeps rollers aligned, reducing friction and extending service life.
Operating within a temperature range of -30° to 110°C, it performs reliably in diverse environments.

Application

Industrial Uses of 55175-55444D Bearing
55175-55444D Bearing is commonly used in heavy machinery, such as construction equipment and mining vehicles, where its double-row design handles combined radial and thrust loads effectively. The chrome steel construction ensures durability in tough working conditions.

In automotive applications, 55175-55444D Bearing supports wheel hubs and drivetrain components, providing reliable performance under high stress. Its inch sizing makes it a good fit for American and British vehicle models.

For industrial automation, 55175-55444D Bearing’s open design allows for easy lubrication, extending its lifespan in high-speed conveyor systems. The steel cage adds stability, reducing wear over time.

What Makes 55175-55444D Bearing a Preferred Choice?
55175-55444D Bearing is often chosen for agricultural machinery, where its tapered roller design manages heavy loads efficiently. The standard radial clearance ensures smooth operation in varying temperatures.

In material handling systems, 55175-55444D Bearing’s robust construction supports consistent performance in load-bearing applications. Its ABEC-1 rating balances precision and cost-effectiveness for general industrial use.

Built for Heavy-Duty Use: 55175-55444D Bearing
55175-55444D Bearing excels in forestry equipment, handling uneven loads and harsh environments with ease. The double-row configuration distributes stress evenly, reducing maintenance needs.

For railway applications, 55175-55444D Bearing’s durability and temperature tolerance make it suitable for freight and passenger train axles. Its steel rollers provide long-lasting performance under constant vibration.

Q&A

SEND INQUIRY