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55195-55444D TDO (Two-Row Double-Outer Race) (Imperial)

55195-55444D TDO (Two-Row Double-Outer Race) (Imperial)

The 55195-55444D is a two-row tapered roller bearing with a 1.968″ bore and 4.4375″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 41,600 lbf and is designed for long-lasting performance in demanding conditions.

Its double-row construction provides extra stability, while the open design allows for easy lubrication. The bearing operates smoothly in temperatures ranging 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 industrial gearboxes or axle systems where combined loads are common.

Weighing 6.05 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, ensuring safe and reliable use.

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Product Parameters

  • Part Number 55195-55444D
  • Brand TFL
  • Size 1.968" x 4.4375" x 1.0594"
  • Bore Dia 1.968"
  • 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 2.76"
  • Cup Frontface Backing Diameter 4.15"
  • Cage Cone Backface Clearance 0.16"
  • Dynamic Radial Load 41600 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 55195
  • 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) 6200 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 9380 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 10800 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 6.05 lb

Features

How Does 55195-55444D Bearing Handle Combined Loads?

55195-55444D Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 41,600 lbf, ensuring reliable performance in heavy-duty applications.

The double-row tapered roller design distributes loads evenly, reducing stress and extending service life.
With a temperature range of -30° to 110°C, it performs well in various operating conditions.

The steel cage maintains roller alignment, minimising wear and ensuring smooth operation.
Its standard radial clearance options provide flexibility for different application needs.

Application

Industrial Uses of 55195-55444D Bearing
The 55195-55444D Bearing is commonly used in heavy machinery like construction equipment and mining tools, where its double-row design handles combined radial and thrust loads efficiently. Its chrome steel construction ensures durability in demanding environments.

In automotive applications, 55195-55444D Bearing supports wheel hubs and differential systems, providing reliable performance under high stress. The inch sizing makes it a fit for many North American vehicle models.

For industrial conveyor systems, 55195-55444D Bearing’s tapered roller design offers smooth operation even with heavy loads. The open seal type allows for easy lubrication, extending its service life.

Why Is 55195-55444D Bearing Essential in Machinery?
55195-55444D Bearing is vital for equipment requiring robust load capacity, such as agricultural machinery and gearboxes. Its standard radial clearance ensures consistent performance across various temperatures.

The bearing’s steel cage enhances stability in high-speed applications like power transmission systems. Its ABEC-1 rating balances precision and cost-effectiveness for general industrial use.

Built for Heavy-Duty Use: 55195-55444D Bearing
55195-55444D Bearing excels in applications like crane hooks and railroad axles, where its double-row tapered rollers distribute loads evenly. The inch tolerances ensure easy integration into existing systems.

Its dynamic radial load capacity of 41,600 lbf makes it suitable for heavy industrial presses. The chrome steel rollers resist wear, reducing maintenance needs over time.

Automotive vs Aerospace: Applications of 55195-55444D Bearing
In automotive systems, 55195-55444D Bearing handles the rigorous demands of drivetrains and axles. Its combined load capability suits vehicles with varying torque conditions.

For aerospace ground support equipment, the bearing’s temperature range (-30° to 110°C) ensures reliability in diverse climates. However, its ABEC-1 rating makes it less suited for high-precision flight components.

What Makes 55195-55444D Bearing a Preferred Choice?
55195-55444D Bearing is favoured for its versatility in industrial and automotive settings. The double-row design offers space savings compared to single-row alternatives.

Its standard radial clearance and steel cage provide a balance of performance and affordability. The bearing’s compatibility with inch-based systems simplifies replacements in older machinery.

Q&A

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