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55176C-55433D TDO (Two-Row Double-Outer Race) (Imperial)

55176C-55433D TDO (Two-Row Double-Outer Race) (Imperial)

The 55176C-55433D is a two-row tapered roller bearing with a 1.75-inch bore and 4.33-inch outer diameter, built from sturdy chrome steel. It handles combined loads up to 59,200 lbf and operates smoothly 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, making it suitable for heavy-duty applications.

This bearing is ideal for industrial machinery or vehicle axles where high radial and thrust loads are common. It comes in standard radial clearance but is also available in C3, C4, or C5 options.

Weighing 6.52 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a reliable choice for replacements or new installations.

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Product Parameters

  • Part Number 55176C-55433D
  • Brand TFL
  • Size 1.75" x 4.33" x 1.0594"
  • Bore Dia 1.75"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.33"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 1.6876"
  • 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 2.4999"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.02"
  • Cone Backface Backing Diameter 2.8"
  • Cup Frontface Backing Diameter 4.15"
  • Cage Cone Backface Clearance 0.17"
  • Dynamic Radial Load 59200 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 55176C
  • Cup Part Number 55433D
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 55000C
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 8810 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 13300 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 15300 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 6.52 lb

Features

How Is 55176C-55433D Bearing Engineered for Reliability?

55176C-55433D Bearing features a double-row tapered roller design, providing robust support for combined radial and thrust loads.
Its chrome steel construction ensures durability, with a dynamic radial load capacity of 59,200 lbf.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a standard radial clearance and ABEC-1 rating, it offers consistent performance in various applications.

What Makes 55176C-55433D Bearing Suitable for High-Temperature Applications?

55176C-55433D Bearing operates efficiently in temperatures ranging from -30° to 110 °C, making it versatile for different environments.
The chrome steel rings and rollers resist wear, even under heavy loads.
Its open design allows for easy lubrication, ensuring smooth operation.
The bearing’s double-row construction enhances stability, reducing the risk of premature failure.

Designed for Durability: 55176C-55433D Bearing

55176C-55433D Bearing is built with high-quality chrome steel, offering excellent resistance to wear and tear.
Its tapered roller design efficiently handles combined loads, with a dynamic radial rating of 15,300 lbf for two rows.
The steel cage ensures proper roller spacing, minimising friction.
With a weight of 6.52 lb, it balances strength and practicality for industrial use.

Application

Industrial Uses of 55176C-55433D Bearing
The 55176C-55433D 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, 55176C-55433D Bearing supports wheel hubs and drivetrain components, providing reliable performance under varying loads. The imperial sizing makes it a preferred choice for North American vehicle manufacturers.

For industrial automation, 55176C-55433D Bearing is ideal for conveyor systems and robotic arms, where its tapered roller design ensures smooth motion. The open seal type allows for easy lubrication, extending service life.

Key Fields for 55176C-55433D Bearing
Agriculture machinery benefits from 55176C-55433D Bearing’s robust construction, particularly in tractors and harvesters. Its high dynamic load capacity ensures long-term reliability in harsh conditions.

In material handling systems, 55176C-55433D Bearing excels due to its ability to manage heavy loads and misalignment. The steel cage adds strength, making it suitable for continuous operation.

What Makes 55176C-55433D Bearing a Preferred Choice?
The 55176C-55433D Bearing’s tapered roller design provides excellent load distribution, making it a go-to for gearboxes and powertrains. Its standard radial clearance offers flexibility for various applications.

For maintenance teams, 55176C-55433D Bearing’s open seal simplifies inspections and relubrication. This feature reduces downtime, keeping production lines running smoothly.

Built for Heavy-Duty Use: 55176C-55433D Bearing
In steel mills, 55176C-55433D Bearing withstands extreme temperatures and heavy loads, thanks to its chrome steel rollers. The ABEC-1 rating ensures consistent performance under stress.

For railway applications, 55176C-55433D Bearing’s double-row construction handles the dynamic forces of moving trains. Its imperial measurements align with standard rail component specifications.

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