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52387-52637D TDO (Two-Row Double-Outer Race) (Imperial)

52387-52637D TDO (Two-Row Double-Outer Race) (Imperial)

The 52387-52637D is a double-row tapered roller bearing with a 3.875″ bore and 6.375″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 87500 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 well in temperatures from -30°C to 110°C, making it versatile for various conditions.

This model features a standard cup type and is part of the 52000 series, offering reliable performance. Ideal for heavy-duty applications like industrial gearboxes or large machinery where combined loads are common.

Weighing 13.25 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for most industrial environments.

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Product Parameters

  • Part Number 52387-52637D
  • Brand TFL
  • Size 3.875" x 6.375" x 1.4219"
  • Bore Dia 3.875"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 6.375"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 2.4375"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 1.4219"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 3.2498"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 4.49"
  • Cup Frontface Backing Diameter 6.08"
  • Cage Cone Backface Clearance 0.16"
  • Dynamic Radial Load 87500 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 52387
  • Cup Part Number 52637D
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 52000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 13000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 10600 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 22700 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 13.25 lb

Features

Performance Features of 52387-52637D Bearing

52387-52637D Bearing is built with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 87,500 lbf, making it suitable for heavy-duty applications.

The double-row tapered roller design ensures stability and efficient load distribution.
This construction enhances durability, even in demanding operational conditions.

52387-52637D Bearing operates within a temperature range of -30° to 110°C, providing reliable performance in various environments.
Its standard radial clearance options allow for flexibility in different applications.

With a weight of 13.25 lb, it balances strength and practicality.
The open seal design simplifies maintenance while ensuring consistent performance.

Application

Industrial Uses of 52387-52637D Bearing
52387-52637D Bearing is commonly used in heavy machinery like construction equipment and mining tools, where its double-row design handles combined radial and thrust loads efficiently. The chrome steel construction ensures durability in tough working conditions.

Where Is 52387-52637D Bearing Used?
You’ll often find 52387-52637D Bearing in industrial gearboxes and large conveyor systems, thanks to its high dynamic load capacity. Its inch sizing makes it a good fit for machinery using imperial measurements.

Built for Heavy-Duty Use: 52387-52637D Bearing
52387-52637D Bearing excels in applications like agricultural machinery, where its tapered rollers manage heavy loads smoothly. The open design allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 52387-52637D Bearing
In automotive settings, 52387-52637D Bearing supports wheel hubs and drivetrains, while in aerospace, it’s used in landing gear systems. Its reliability under varying temperatures makes it versatile.

Essential Roles of 52387-52637D Bearing
52387-52637D Bearing plays a key role in railway applications, particularly in axle boxes where combined loads are common. The steel cage adds strength, ensuring consistent performance over time.

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