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TS (Single Row Tapered Roller Bearings) (Imperial) 52387W-52639

TS (Single Row Tapered Roller Bearings) (Imperial) 52387W-52639

The 52387W-52639 is a single-row tapered roller bearing with a 3.875″ bore and 6.375″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 50200 lbf radially and 10600 lbf thrust, making it suitable for demanding applications.

Its open design allows for easy lubrication, while the steel cage ensures reliable performance under heavy loads. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model is interchangeable with Timken bearings, offering a practical replacement option. Ideal for use in industrial machinery, gearboxes, or heavy-duty equipment where combined loads are common.

Weighing 6.9 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 52387W-52639
  • Brand TFL
  • Interchangeable Timken
  • Size 3.875" x 6.375" x 1.625"
  • Bore Dia 3.875"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 6.375"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.4219"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.5625"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.625"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 4.94"
  • Cone Backface Backing Diameter 4.49"
  • Cup Frontface Backing Diameter 6.18"
  • Cup Backface Backing Diameter 5.67"
  • Cage Cone Frontface Clearance 0.12"
  • Cage Cone Backface Clearance 0.16"
  • Effective Center Location -0.02"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 52387W
  • Cup Part Number 52639
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 52000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 50200 lbf
  • Static Radial Load 77000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 13000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 10600 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 6.9 lb

Features

How Is 52387W-52639 Bearing Engineered for Reliability?

52387W-52639 Bearing features chrome steel rings and rollers, ensuring strength and durability under combined loads.
Its dynamic radial load capacity reaches 50,200 lbf, making it suitable for heavy-duty applications.

The steel cage maintains proper roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various environments.

Standard radial clearance options (C3/C4/C5) allow flexibility for different installation needs.
This tapered roller bearing is designed for long-term performance with minimal maintenance.

Application

Industrial Uses of 52387W-52639 Bearing
This bearing is commonly used in heavy machinery like construction equipment and mining tools, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

Where Is 52387W-52639 Bearing Used?
You’ll often find this bearing in automotive applications, particularly in wheel hubs and differential systems. Its precise imperial sizing makes it a reliable choice for vehicles requiring robust load support.

Built for Heavy-Duty Use: 52387W-52639 Bearing
Ideal for industrial gearboxes, this bearing excels under high radial and thrust loads. The steel cage adds extra strength, making it suitable for continuous operation in tough conditions.

Automotive vs Aerospace: Applications of 52387W-52639 Bearing
In automotive systems, this bearing supports wheel assemblies, while in aerospace, it’s used in landing gear mechanisms. Its ABEC-1 rating ensures consistent performance across different industries.

Key Fields for 52387W-52639 Bearing
From agricultural machinery to conveyor systems, this bearing’s versatility shines. The standard radial clearance option allows for easy integration into various types of equipment.

Q&A

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