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

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

The 52387P-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 104000 lbf and works well in temperatures from -30°C to 110°C.

Its open design allows for easy lubrication, while the steel cage ensures durability. The bearing comes in standard radial clearance, with options for C3, C4, or C5 if needed.

This model is part of the 52000 series, featuring a double outer race for added strength. Ideal for heavy-duty applications like industrial gearboxes or large machinery where combined loads are common.

Weighing 13.27 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, making it a reliable choice for various industries.

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Product Parameters

  • Part Number 52387P-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 104000 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 52387P
  • 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) 15400 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 12500 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 26900 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 13.27 lb

Features

Performance Features of 52387P-52637DC Bearing

52387P-52637DC Bearing is built with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 104,000 lbf, making it suitable for heavy-duty applications.

The double-row tapered roller design ensures stability and efficient load distribution.
With a temperature range of -30° to 110°C, it performs reliably in various operating conditions.

52387P-52637DC Bearing’s standard radial clearance allows for smooth operation and easy installation.
The steel cage maintains roller alignment, reducing friction and extending service life.

Application

Industrial Uses of 52387P-52637DC Bearing
This 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 even in tough working conditions.

Where Is 52387P-52637DC Bearing Used?
You’ll find 52387P-52637DC Bearing in automotive applications such as truck wheel hubs, where its tapered roller design provides stability under heavy loads. The inch sizing makes it a good fit for North American vehicle standards.

Built for Heavy-Duty Use: 52387P-52637DC Bearing
In industrial gearboxes, 52387P-52637DC Bearing offers reliable performance due to its high dynamic load capacity. The open seal type allows for easy lubrication, extending its service life in continuous operation.

Automotive vs Aerospace: Applications of 52387P-52637DC Bearing
While 52387P-52637DC Bearing is popular in trucks and heavy vehicles, it’s also suitable for aerospace ground support equipment. Its combined load handling makes it versatile across different industries.

What Makes 52387P-52637DC Bearing a Preferred Choice?
For conveyor systems in factories, 52387P-52637DC Bearing stands out with its ability to manage high radial loads. The steel cage adds extra strength, making it a dependable option for long-term use.

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