+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
55197-55444D TDO (Two-Row Double-Outer Race) (Imperial)

55197-55444D TDO (Two-Row Double-Outer Race) (Imperial)

The 55197-55444D is a two-row tapered roller bearing with a 1.9675″ bore and 4.4375″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 49400 lbf and works well in temperatures from -30°C to 110°C.

Its double-row design provides extra stability, while the open seal allows for easy lubrication. The steel cage ensures durability even under heavy use.

This bearing is ideal for industrial machinery or vehicle axles where both radial and thrust loads are present. It comes in standard radial clearance but can also be ordered in C3, C4, or C5 options.

Weighing 6.06 lb, it’s a robust choice for demanding applications. Compliant with RoHS and REACH standards, it’s a reliable replacement for similar models.

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

Product Parameters

  • Part Number 55197-55444D
  • Brand TFL
  • Size 1.9675" x 4.4375" x 1.0594"
  • Bore Dia 1.9675"
  • 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 2.68"
  • 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 55197
  • 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 6.06 lb

Features

How Is 55197-55444D Bearing Engineered for Reliability?

55197-55444D Bearing features a double-row tapered roller design, providing strong resistance to combined loads.
Its chrome steel construction ensures durability, with a dynamic radial load capacity of 49,400 lbf.

The precision-engineered cage keeps rollers aligned, reducing friction and extending service life.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

55197-55444D Bearing’s standard radial clearance offers flexibility for different applications.
Its open design simplifies maintenance, making it a practical choice for heavy-duty use.

Application

Industrial Uses of 55197-55444D Bearing
The 55197-55444D 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 efficiently. Its chrome steel construction ensures durability in demanding environments.

In automotive applications, 55197-55444D Bearing supports wheel hubs and differential systems, providing reliable performance under varying loads. The inch sizing makes it compatible with many North American vehicle models.

For industrial automation, 55197-55444D Bearing is ideal for conveyor systems and robotic arms, where its open design allows for easy lubrication and maintenance. The tapered roller design ensures smooth operation even at high speeds.

Why Is 55197-55444D Bearing Essential in Machinery?
55197-55444D Bearing is a go-to choice for agricultural machinery, such as tractors and harvesters, due to its ability to withstand heavy loads and harsh conditions. The steel cage adds extra strength and longevity.

In material handling equipment, 55197-55444D Bearing ensures smooth operation of cranes and forklifts, where precision and reliability are key. Its standard radial clearance makes it versatile for various applications.

Built for Heavy-Duty Use: 55197-55444D Bearing
55197-55444D Bearing excels in wind turbine systems, where its double-row design manages both radial and axial forces effectively. The chrome steel rollers enhance wear resistance in high-stress scenarios.

For railway applications, 55197-55444D Bearing provides stability and durability in bogies and axle boxes. Its ABEC-1 rating ensures consistent performance under continuous use.

Light-Duty vs Heavy-Duty: Best Uses for 55197-55444D Bearing
In light-duty applications like small industrial fans, 55197-55444D Bearing offers reliable performance with minimal maintenance. Its standard lubrication requirements make it user-friendly.

For heavy-duty uses such as oil rig equipment, 55197-55444D Bearing’s robust construction ensures long-term reliability. The tapered roller design distributes loads evenly, reducing wear and tear.

Q&A

SEND INQUIRY