+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
55200-55444D TDO (Two-Row Double-Outer Race) (Imperial)

55200-55444D TDO (Two-Row Double-Outer Race) (Imperial)

The 55200-55444D is a double-row tapered roller bearing with a 2-inch bore and 4.4375-inch outer diameter, built from sturdy chrome steel. It handles combined loads up to 49400 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 suitable for various environments.

This model is part of the 55000 series, offering reliable performance in applications like heavy machinery or automotive systems. Its double-row construction provides extra stability under heavy radial and thrust loads.

Weighing 5.97 lb, it’s a robust choice for industrial use. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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

Product Parameters

  • Part Number 55200-55444D
  • Brand TFL
  • Size 2" x 4.4375" x 1.0594"
  • Bore Dia 2"
  • 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 2.8"
  • 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 55200
  • 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 5.97 lb

Features

Performance Features of 55200-55444D Bearing

55200-55444D Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 49,400 lbf, ensuring reliable performance in heavy-duty applications.

The double-row tapered roller design enhances stability and load distribution.
This construction allows 55200-55444D Bearing to handle both radial and thrust loads efficiently.

With a temperature range of -30° to 110°C, it performs well in various environments.
The standard radial clearance options provide flexibility for different operational needs.

55200-55444D Bearing’s steel cage maintains roller alignment, reducing wear.
Its open design simplifies lubrication, ensuring smooth operation over time.

Application

Industrial Uses of 55200-55444D Bearing
The 55200-55444D Bearing is widely 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 harsh environments, making it a reliable choice for long-term industrial applications.

What Makes 55200-55444D Bearing a Preferred Choice?
In automotive applications, 55200-55444D Bearing excels in wheel hubs and differential systems, providing smooth performance under heavy loads.
The imperial sizing makes it compatible with many North American vehicle models, offering versatility across different makes and models.

Built for Heavy-Duty Use: 55200-55444D Bearing
For agricultural machinery, 55200-55444D Bearing supports high-load components like tractor axles and harvesters, ensuring reliable operation in demanding conditions.
The open seal design allows for easy lubrication, which is essential for maintaining performance in dusty or wet environments.

Automotive vs Aerospace: Applications of 55200-55444D Bearing
In automotive systems, 55200-55444D Bearing is commonly found in transmissions and drivetrains, where its tapered rollers manage high stress effectively.
While in aerospace, its precision and load capacity make it suitable for auxiliary systems, though it’s more frequently used in ground-based heavy equipment.

Key Fields for 55200-55444D Bearing
The 55200-55444D Bearing is ideal for industrial fans and pumps, where its double-row design accommodates both radial and axial forces.
Its standard radial clearance and ABEC-1 rating ensure consistent performance without the need for frequent adjustments.

Q&A

SEND INQUIRY