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

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

The 52387-52637DC 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) and is designed for long-lasting performance.

Its open design allows for easy lubrication, while the steel cage ensures smooth operation even under heavy radial or thrust loads. The bearing works well in temperatures from -30°C to 110°C.

This bearing features a standard radial clearance and is ABEC-1 rated, making it suitable for general industrial use. Ideal for applications like heavy machinery or gear systems where combined loads are common.

Weighing 13.25 lb, it’s a robust choice for demanding environments. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 52387-52637DC
  • 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 52387
  • 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 13.25 lb

Features

How Is 52387-52637DC Bearing Engineered for Reliability?

52387-52637DC Bearing features a double-row tapered roller design, providing strong resistance to combined radial and thrust loads.
Its chrome steel construction ensures durability, even under heavy loads up to 87,500 lbf.

The standard cup type and open seal design allow for easy lubrication, maintaining smooth operation.
With a temperature range of -30° to 110°C, it performs reliably in various environments.

52387-52637DC Bearing’s precise tolerances ensure consistent performance and extended service life.
The steel cage keeps rollers aligned, reducing wear and improving efficiency.

Application

Industrial Uses of 52387-52637DC Bearing
52387-52637DC 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. The chrome steel construction ensures durability in demanding environments.

Where Is 52387-52637DC Bearing Used?
You’ll often find 52387-52637DC Bearing in automotive applications, particularly in truck wheel hubs and differential systems. Its tapered roller design provides stability and smooth operation under heavy loads.

Built for Heavy-Duty Use: 52387-52637DC Bearing
52387-52637DC Bearing excels in industrial gearboxes and large conveyor systems, thanks to its robust steel cage and high dynamic load capacity. The inch sizing makes it ideal for North American machinery standards.

Automotive vs Aerospace: Applications of 52387-52637DC Bearing
In automotive settings, 52387-52637DC Bearing supports axle systems and heavy-duty transmissions. For aerospace, its precision and reliability make it suitable for landing gear components and auxiliary systems.

Practical Applications of 52387-52637DC Bearing
52387-52637DC Bearing is a reliable choice for agricultural machinery like tractors and harvesters, where its open design allows for easy lubrication. The standard radial clearance ensures consistent performance in varying temperatures.

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