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55176-55452D TDO (Two-Row Double-Outer Race) (Imperial)

55176-55452D TDO (Two-Row Double-Outer Race) (Imperial)

The 55176-55452D is a two-row tapered roller bearing with a 1.75″ bore and 4.5268″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 49400 lbf and works well 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 even under heavy use.

This bearing is ideal for industrial machinery or vehicle axles where both radial and thrust loads are present. It comes in standard radial clearance but can also be ordered in C3, C4, or C5 options.

Weighing 6.35 lb, it’s a robust choice for demanding applications. Compliant with RoHS and REACH standards, it offers reliable performance in various conditions.

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Product Parameters

  • Part Number 55176-55452D
  • Brand TFL
  • Size 1.75" x 4.5268" x 1.0594"
  • Bore Dia 1.75"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.5268"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 1.75"
  • 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 2.5623"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 2.4"
  • Cup Frontface Backing Diameter 4.18"
  • Cage Cone Backface Clearance 0.16"
  • Dynamic Radial Load 49400 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 55176
  • Cup Part Number 55452D
  • 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 6.35 lb

Features

How Is 55176-55452D Bearing Engineered for Reliability?

55176-55452D 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 49,400 lbf.

The precision tolerances on bore and outer diameters enhance alignment, reducing wear and improving performance.
With a standard radial clearance option, it adapts to various operational conditions.

55176-55452D Bearing operates efficiently within a temperature range of -30° to 110°C.
Its steel cage maintains roller alignment, ensuring smooth operation under heavy loads.

Application

Common Applications of 55176-55452D Bearing
55176-55452D Bearing is widely used in heavy machinery, particularly in construction equipment like bulldozers and excavators, where its double-row design handles combined radial and thrust loads efficiently. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, 55176-55452D Bearing supports wheel hubs and differential systems, providing reliable performance under varying loads. Its inch sizing makes it a preferred choice for North American vehicle models.

For industrial conveyor systems, 55176-55452D Bearing’s tapered roller design offers smooth operation and long service life. The open seal type allows for easy lubrication, reducing maintenance downtime.

Where Is 55176-55452D Bearing Used?
55176-55452D Bearing is commonly found in agricultural machinery, such as tractors and harvesters, where its robust design withstands heavy loads and rough conditions. The steel cage adds extra strength to the assembly.

In mining equipment, 55176-55452D Bearing ensures reliable performance in crushers and screens, handling high radial and thrust loads. Its standard radial clearance makes it adaptable to various operational conditions.

Built for Heavy-Duty Use: 55176-55452D Bearing
55176-55452D Bearing excels in forestry equipment like log splitters and chippers, where its tapered rollers manage intense workloads. The chrome steel rollers enhance wear resistance, extending bearing life.

For railway applications, 55176-55452D Bearing supports axle boxes, providing stability and reducing friction. Its ABEC-1 rating ensures consistent performance even under high-speed conditions.

Automotive vs Aerospace: Applications of 55176-55452D Bearing
In automotive systems, 55176-55452D Bearing is ideal for drivetrain components, offering smooth power transmission. Its inch measurements align with standard automotive designs.

For aerospace ground equipment, 55176-55452D Bearing handles heavy loads in tow tractors and cargo loaders. The temperature range of -30° to 110°C ensures reliability in diverse climates.

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