55194-55444D TDO (Two-Row Double-Outer Race) (Imperial)

The 55194-55444D is a two-row tapered roller bearing with a 1.968″ bore and 4.4375″ outer diameter, built from sturdy chrome steel for long-lasting performance. It handles combined loads with a dynamic radial capacity of 41600 lbf, making it suitable for heavy-duty applications.

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

With standard radial clearance and ABEC-1 precision, it’s a practical choice for industrial machinery or automotive systems. Weighing 6.06 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s safe for widespread use.

Ideal for applications like gearboxes or axle systems where durability and load capacity are key. Its interchangeable design makes it a versatile option for replacements or upgrades.

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Description

Features

Application

Q&A

Product Parameters

Part Number 55194-55444D
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 2.68"
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 55194
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 6.06 lb

Features

How Is 55194-55444D Bearing Engineered for Reliability?

55194-55444D 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 41,600 lbf.

The precision-engineered cage maintains roller alignment, reducing friction and wear.
This design enhances the bearing’s performance in demanding industrial applications.

55194-55444D Bearing operates efficiently within a temperature range of -30° to 110°C.
Its standard radial clearance options allow for flexibility in various operating conditions.

With a weight of 6.06 lb, it balances strength and manageability.
The bearing’s open design simplifies lubrication, ensuring smooth operation over time.

Application

Industrial Uses of 55194-55444D Bearing
55194-55444D 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. The chrome steel construction ensures durability in harsh operating conditions.

In automotive applications, 55194-55444D Bearing supports wheel hubs and differential systems, providing reliable performance under high stress. Its inch sizing makes it compatible with many North American vehicle models.

For industrial automation, 55194-55444D Bearing is ideal for robotic arms and conveyor systems, where precision and load capacity are key. The open seal design allows for easy lubrication, extending service life.

Where Is 55194-55444D Bearing Used?
55194-55444D Bearing is found in agricultural machinery, such as tractors and harvesters, where its tapered roller design manages heavy loads smoothly. The steel cage adds extra strength for demanding tasks.

In material handling systems, 55194-55444D Bearing ensures smooth operation of cranes and forklifts. Its standard radial clearance offers flexibility for various load and speed requirements.

Built for Heavy-Duty Use: 55194-55444D Bearing
55194-55444D Bearing excels in wind turbine applications, where its double-row construction handles variable wind loads effectively. The ABEC-1 rating ensures consistent performance in rotating assemblies.

For railway equipment, 55194-55444D Bearing provides reliable support in axle boxes and gearboxes. Its temperature range suits both cold and moderate climates.

Automotive vs Aerospace: Applications of 55194-55444D Bearing
In automotive systems, 55194-55444D Bearing is trusted for drivetrain components, balancing durability and precision. The inch measurements align with many US-made parts.

For aerospace ground support equipment, 55194-55444D Bearing offers robust performance in load-bearing mechanisms. Its chrome steel rollers resist wear in high-use scenarios.