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44157-44363D TDO (Two-Row Double-Outer Race) (Imperial)

44157-44363D TDO (Two-Row Double-Outer Race) (Imperial)

The 44157-44363D is a two-row tapered roller bearing with a 1.5748″ bore and 3.625″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 39100 lbf and is designed for long-lasting performance in demanding conditions.

Its double-row construction provides extra stability, while the open design allows for easy lubrication. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model is part of the 44000 series, offering standard radial clearance with options for C3, C4, or C5. Weighing 3.51 lb, it’s a robust choice for heavy-duty applications like industrial gearboxes or vehicle axles.

Compliant with RoHS and REACH standards, it’s a reliable option for replacements or new installations. The ABEC-1 rating ensures consistent performance for general engineering needs.

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Product Parameters

  • Part Number 44157-44363D
  • Brand TFL
  • Size 1.5748" x 3.625" x 0.933"
  • Bore Dia 1.5748"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.625"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 1.5625"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 0.933"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 2.1875"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.06"
  • Cone Backface Backing Diameter 2.2"
  • Cup Frontface Backing Diameter 3.39"
  • Cage Cone Backface Clearance 0.12"
  • Dynamic Radial Load 39100 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 44157
  • Cup Part Number 44363D
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 44000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 5810 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 7770 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 10100 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 3.51 lb

Features

How Does 44157-44363D Bearing Handle Combined Loads?

44157-44363D Bearing features a double-row tapered roller design, ideal for handling both radial and thrust loads.
Its chrome steel construction ensures durability, with a dynamic radial load capacity of 39,100 lbf.

The steel cage maintains roller alignment, reducing friction and extending bearing life.
With a standard radial clearance, it offers reliable performance in various applications.

44157-44363D Bearing operates efficiently within a temperature range of -30° to 110°C.
Its open design simplifies lubrication, ensuring smooth operation over time.

Application

Industrial Uses of 44157-44363D Bearing
44157-44363D Bearing is commonly used in heavy machinery, such as construction equipment and mining tools, where its double-row design handles combined loads effectively. The chrome steel construction ensures durability in harsh working conditions.

In automotive applications, 44157-44363D Bearing supports wheel hubs and differential systems, providing reliable performance under high radial and thrust loads. Its inch sizing makes it compatible with many American and British vehicle models.

For industrial conveyor systems, 44157-44363D Bearing’s tapered roller design offers smooth operation and easy maintenance. The open seal type allows for straightforward lubrication, extending the bearing’s service life.

Why Is 44157-44363D Bearing Essential in Machinery?
44157-44363D Bearing is vital for equipment requiring precise load distribution, such as gearboxes and power transmission systems. Its robust design ensures stability even under heavy use.

The bearing’s standard radial clearance options make it adaptable to various operational needs. This flexibility is particularly useful in industries like agriculture and material handling.

Built for Heavy-Duty Use: 44157-44363D Bearing
44157-44363D Bearing excels in applications like crane booms and railway axles, where strength and reliability are paramount. The steel cage enhances its load-bearing capacity.

Its temperature range of -30° to 110°C makes it suitable for diverse environments. Whether in hot factories or cold outdoor settings, this bearing performs consistently.

Automotive vs Aerospace: Applications of 44157-44363D Bearing
In automotive systems, 44157-44363D Bearing is often found in drivetrains, ensuring smooth power delivery. Its inch measurements align with many standard automotive components.

While less common in aerospace, this bearing can be used in ground support equipment. Its durability and load capacity make it a practical choice for heavy-duty ground operations.

Q&A

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