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

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

The 55176-55433D is a double-row tapered roller bearing with a 1.75″ bore and 4.33″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 49400 lbf and is designed for long-lasting performance.

Its open design allows for easy lubrication, while the steel cage ensures smooth operation. The bearing works in temperatures from -30°C to 110°C, making it versatile for various conditions.

This model is part of the 55000 series, with standard cups and ABEC-1 precision. It’s suitable for heavy-duty applications like industrial gearboxes or vehicle axles where combined loads are common.

Weighing 6.16 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 55176-55433D
  • 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 2.4"
  • 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 55176
  • 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 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 6.16 lb

Features

How Is 55176-55433D Bearing Engineered for Reliability?

55176-55433D Bearing features a double-row tapered roller design, providing robust support for combined radial and thrust loads.
Its chrome steel construction ensures durability and resistance to wear in demanding conditions.
With a dynamic radial load capacity of 49,400 lbf, it handles heavy-duty applications with ease.
The standard radial clearance options offer flexibility for various operational needs.

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

55176-55433D Bearing operates reliably in temperatures ranging from -30° to 110 °C.
The chrome steel rollers and rings maintain structural integrity under thermal stress.
Its open design allows for effective lubrication, ensuring smooth performance even in high-heat environments.
The steel cage keeps rollers aligned, reducing friction and heat generation.

Designed for Durability: 55176-55433D Bearing

55176-55433D Bearing’s double-row construction enhances load distribution, extending service life.
The chrome steel components resist wear, making it ideal for heavy industrial use.
Precision tolerances ensure consistent performance across a wide range of applications.
Its standard radial clearance options provide adaptability for different operational conditions.

Steel vs Ceramic Bearings: Strengths of 55176-55433D Bearing

55176-55433D Bearing uses high-quality chrome steel for both rollers and rings, offering excellent strength.
This material choice ensures reliable performance under heavy loads and high temperatures.
The steel cage design maintains roller alignment, reducing wear and prolonging life.
Its robust construction makes it a dependable choice for industrial applications.

Application

Key Fields for 55176-55433D Bearing
The 55176-55433D Bearing is widely used in heavy machinery, such as construction equipment and mining vehicles, where its double-row design handles combined radial and thrust loads efficiently. Its chrome steel construction ensures durability in demanding environments.

In automotive applications, 55176-55433D Bearing supports wheel hubs and differential systems, providing reliable performance under varying loads. The inch sizing makes it a common choice for North American vehicle models.

For industrial automation, 55176-55433D 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.

Where Is 55176-55433D Bearing Used?
You’ll often find 55176-55433D Bearing in agricultural machinery, like tractors and harvesters, where its robust design withstands heavy loads and rough conditions. The steel cage adds extra strength for long-term use.

In material handling equipment, 55176-55433D Bearing ensures smooth operation in forklifts and cranes. Its standard radial clearance makes it adaptable to various load conditions without compromising performance.

Built for Heavy-Duty Use: 55176-55433D Bearing
The 55176-55433D Bearing excels in forestry equipment, such as log splitters and sawmills, thanks to its tapered roller design and high dynamic load capacity. Its chrome steel rollers reduce wear over time.

For railway applications, 55176-55433D Bearing provides reliable support in axle boxes and gearboxes. The double-row construction distributes loads evenly, enhancing stability and reducing maintenance needs.

Automotive vs Aerospace: Applications of 55176-55433D Bearing
In automotive systems, 55176-55433D Bearing is commonly used in truck transmissions, handling high torque and thrust loads. Its inch measurements align with standard automotive components.

For aerospace ground equipment, 55176-55433D Bearing supports landing gear test rigs and maintenance tools. The ABEC-1 rating ensures sufficient precision for these critical applications.

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