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

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

The 52387W-52637DC 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 22700 lbf (two-row radial) and 10600 lbf (thrust), making it suitable for heavy-duty applications.

Its open design allows easy lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures from -30°C to 110°C, ideal for industrial environments.

With standard radial clearance and ABEC-1 precision, it offers reliable performance for machinery requiring combined load support. Compliant with RoHS and REACH standards, it’s a practical choice for replacements or new installations.

Weighing 13.23 lb, this bearing is robust yet manageable for its size, fitting well in gearboxes or large equipment where space and load capacity matter.

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Product Parameters

  • Part Number 52387W-52637DC
  • 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 52387W
  • Cup Part Number 52637DC
  • 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 13.23 lb

Features

Why Choose 52387W-52637DC Bearing for Combined Loads?

52387W-52637DC Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust 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 even load distribution.
This construction enhances durability and reduces wear over time.

52387W-52637DC Bearing operates efficiently within a temperature range of -30° to 110°C.
Its standard radial clearance options provide flexibility for different operational needs.

With a weight of 13.23 lb, it balances strength and manageability.
The open seal design allows for easy lubrication and maintenance.

Application

Key Fields for 52387W-52637DC Bearing
The 52387W-52637DC Bearing is commonly used in heavy machinery, such as construction equipment and mining rigs, where its double-row design handles combined radial and thrust loads effectively. Its chrome steel construction ensures durability in demanding environments.

In automotive applications, 52387W-52637DC Bearing supports large vehicle components like axles and differentials, providing reliable performance under heavy loads. The imperial sizing makes it a preferred choice for North American manufacturers.

For industrial automation, 52387W-52637DC Bearing’s open design allows easy lubrication, extending its lifespan in high-speed conveyor systems. The steel cage adds stability, reducing wear during continuous operation.

Where Is 52387W-52637DC Bearing Used?
You’ll often find 52387W-52637DC Bearing in agricultural machinery, where its tapered roller design manages uneven loads from ploughs and harvesters. The standard radial clearance ensures smooth operation in dusty conditions.

This bearing also fits well in railway applications, particularly in bogie assemblies, thanks to its robust construction. The ABEC-1 rating balances precision and cost for such heavy-duty uses.

Built for Heavy-Duty Use: 52387W-52637DC Bearing
The 52387W-52637DC Bearing excels in forestry equipment, handling the shocks and vibrations from log splitters and sawmills. Its dynamic radial load capacity of 87500 lbf makes it a dependable choice.

In marine applications, this bearing’s temperature range (-30° to 110°C) ensures performance in varying climates. The required lubrication setup is straightforward, even in saltwater environments.

Automotive vs Aerospace: Applications of 52387W-52637DC Bearing
In automotive settings, 52387W-52637DC Bearing is ideal for truck wheel hubs, where its double-row design distributes loads evenly. The inch measurements simplify replacements in older vehicle models.

For aerospace ground support equipment, this bearing’s reliability shines in aircraft tugs and loading systems. Its compliance with RoHS and REACH standards adds an extra layer of safety for sensitive environments.

Q&A

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