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

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

The 52387W-52637D is a double-row tapered roller bearing with a 3.875″ bore and 6.375″ outer diameter, built from sturdy chrome steel for heavy-duty use. It handles combined loads up to 22700 lbf (two-row radial) and 10600 lbf (thrust), making it suitable for demanding applications.

Its open design allows for easy lubrication, while the steel cage ensures durability under high stress. 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 without unnecessary complexity. The double-row construction provides extra stability for machinery like gearboxes or heavy equipment.

Weighing 13.23 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a practical choice for replacements or new installations.

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Product Parameters

  • Part Number 52387W-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 52387W
  • 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 13.23 lb

Features

How Is 52387W-52637D Bearing Engineered for Reliability?

52387W-52637D Bearing features a double-row tapered roller design, providing strong resistance to combined radial and thrust loads.
Its chrome steel construction ensures durability, with a dynamic radial load capacity of 87,500 lbf.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

What Makes 52387W-52637D Bearing Suitable for High-Temperature Applications?

52387W-52637D Bearing is built with chrome steel rollers and rings, capable of withstanding temperatures up to 110°C.
Its open design allows for effective lubrication, ensuring smooth operation even under thermal stress.
The double-row construction distributes loads evenly, enhancing performance in demanding environments.
This bearing is ideal for applications requiring consistent reliability in high-temperature settings.

Designed for Durability: 52387W-52637D Bearing

52387W-52637D Bearing’s tapered roller design ensures long-lasting performance under heavy loads.
The chrome steel materials resist wear, while the steel cage provides stability.
With a dynamic radial rating of 22,700 lbf for two rows, it handles demanding conditions with ease.
Its standard radial clearance options offer flexibility for various applications.

Application

Industrial Uses of 52387W-52637D Bearing
The 52387W-52637D Bearing is commonly used in heavy machinery like construction equipment and mining rigs, where its double-row design handles combined radial and thrust loads efficiently.
Its chrome steel construction ensures durability in harsh environments, making it a reliable choice for long-term use.

What Makes 52387W-52637D Bearing a Preferred Choice?
In automotive applications, 52387W-52637D Bearing supports wheel hubs and drivetrains, offering stability under heavy loads.
The imperial sizing makes it compatible with many North American vehicle models, simplifying replacements and upgrades.

Built for Heavy-Duty Use: 52387W-52637D Bearing
This bearing excels in industrial fans and pumps, where its tapered roller design reduces friction and extends service life.
The open seal type allows for easy lubrication, ensuring smooth operation even in dusty conditions.

Automotive vs Aerospace: Applications of 52387W-52637D Bearing
In automotive systems, 52387W-52637D Bearing is ideal for axle assemblies, providing robust performance under stress.
For aerospace, its precision and load capacity make it suitable for landing gear and other critical components.

Where Is 52387W-52637D Bearing Used?
You’ll find 52387W-52637D Bearing in agricultural machinery like tractors, where its strength handles uneven terrain and heavy loads.
The standard radial clearance ensures consistent performance, even in variable operating conditions.

Q&A

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