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355X-353DC TDO (Two-Row Double-Outer Race) (Imperial)

355X-353DC TDO (Two-Row Double-Outer Race) (Imperial)

The 355X-353DC is a double-row tapered roller bearing with a 1.75″ bore and 3.548″ outer diameter, built from sturdy chrome steel. It handles combined loads well, with a dynamic radial capacity of 38000 lbf and smooth operation up to 110°C.

Its open design allows for easy lubrication, while the steel cage ensures durability under heavy use. The bearing comes in standard radial clearance but can also be ordered in C3, C4, or C5 grades for specific needs.

This model is part of the 355 series, featuring a double outer race for balanced load distribution. Ideal for industrial gearboxes or heavy machinery where both radial and thrust loads are present.

Weighing 3 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, making it a reliable choice for various applications.

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Product Parameters

  • Part Number 355X-353DC
  • Brand TFL
  • Size 1.75" x 3.548" x 0.854"
  • Bore Dia 1.75"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.548"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 1.75"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 0.854"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 1.9998"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 2.2"
  • Cup Frontface Backing Diameter 3.27"
  • Cage Cone Backface Clearance 0"
  • Dynamic Radial Load 38000 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 355X
  • Cup Part Number 353DC
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 355
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 5650 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 2960 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 9840 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 3 lb

Features

Performance Features of 355X-353DC Bearing

355X-353DC Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 38,000 lbf, ensuring reliable performance in heavy-duty applications.

The double-row tapered roller design enhances load distribution, reducing wear and extending service life.
With a standard radial clearance, it provides smooth operation across various conditions.

355X-353DC Bearing operates efficiently within a temperature range of -30° to 110°C.
Its steel cage maintains roller alignment, contributing to consistent performance.

The open seal type allows for easy lubrication, ensuring optimal functionality.
This bearing is ideal for applications requiring durability and precision.

Application

Industrial Uses of 355X-353DC Bearing
355X-353DC 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 demanding environments.

Where Is 355X-353DC Bearing Used?
You’ll often find 355X-353DC Bearing in agricultural machinery, like tractors and harvesters, where its tapered roller design provides stability under heavy loads. The inch sizing makes it a good fit for North American equipment standards.

Built for Heavy-Duty Use: 355X-353DC Bearing
355X-353DC Bearing excels in industrial gearboxes, offering reliable performance in high-torque applications. Its open design allows for easy lubrication, extending service life in continuous operation.

Automotive vs Aerospace: Applications of 355X-353DC Bearing
In automotive applications, 355X-353DC Bearing supports wheel hubs and differential systems, while in aerospace, it’s used in landing gear mechanisms. The ABEC-1 rating ensures consistent precision for both sectors.

Practical Applications of 355X-353DC Bearing
355X-353DC Bearing is a solid choice for conveyor systems in manufacturing plants, where its standard radial clearance accommodates slight misalignments. The steel cage adds robustness for long-term use.

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