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TS (Single Row Tapered Roller Bearings) (Imperial) 52387W-52638

TS (Single Row Tapered Roller Bearings) (Imperial) 52387W-52638

The 52387W-52638 is a single-row tapered roller bearing with a 3.875″ bore and 6.375″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 50200 lbf radially and 10600 lbf thrust, making it versatile for heavy-duty use.

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

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for industrial machinery, gearboxes, or automotive applications where combined loads are common.

Weighing 6.4 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s safe for various environments.

The standard radial clearance and ABEC-1 rating ensure consistent performance. Its tapered roller design provides efficient load distribution, reducing wear over time.

Perfect for applications requiring long-lasting reliability, such as construction equipment or heavy transport. The precise tolerances and durable materials make it a dependable choice for demanding conditions.

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Product Parameters

  • Part Number 52387W-52638
  • Brand TFL
  • Interchangeable Timken
  • Size 3.875" x 6.375" x 1.5625"
  • 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 1.1563"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.5625"
  • 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 6.08"
  • Cup Backface Backing Diameter 5.63"
  • 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 52638
  • 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 6.4 lb

Features

Performance Features of 52387W-52638 Bearing

52387W-52638 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 50,200 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, enhancing durability and reducing wear.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Is 52387W-52638 Bearing Engineered for Reliability?

52387W-52638 Bearing features precise tolerances, ensuring consistent performance under heavy loads.
The tapered roller design distributes stress evenly, extending the bearing’s service life.
Its standard radial clearance allows for smooth operation in diverse applications.
The chrome steel construction provides excellent resistance to wear and fatigue.

Built for Durability: 52387W-52638 Bearing

52387W-52638 Bearing’s single-row construction simplifies installation while maintaining strength.
The open design allows for easy lubrication, ensuring optimal performance over time.
With a static radial load capacity of 77,000 lbf, it handles demanding conditions effortlessly.
Its ABEC-1 rating guarantees reliable precision for industrial use.

Steel vs Ceramic Bearings: Strengths of 52387W-52638 Bearing

52387W-52638 Bearing uses chrome steel for both rollers and rings, balancing cost and performance.
This material choice ensures high load capacity and resistance to wear in tough environments.
The bearing’s standard radial clearance offers flexibility for various applications.
Its compatibility with Timken models makes it a versatile replacement option.

Application

Industrial Uses of 52387W-52638 Bearing
This bearing is commonly used in heavy machinery like construction equipment and mining tools, where its tapered roller design handles combined radial and thrust loads effectively. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, 52387W-52638 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its inch sizing makes it compatible with many North American vehicle models.

For industrial conveyor systems, 52387W-52638 Bearing’s open design allows for easy lubrication, extending service life in high-load scenarios. The steel cage adds extra strength, making it suitable for continuous operation.

Where Is 52387W-52638 Bearing Used?
You’ll often find this bearing in agricultural machinery, such as tractors and harvesters, where its robust design handles rough terrain and heavy loads. The standard radial clearance ensures smooth operation.

It’s also a good fit for railway applications, particularly in axle boxes, where its tapered rollers manage both radial and axial forces. The ABEC-1 rating provides a balance of precision and cost-effectiveness.

Built for Heavy-Duty Use: 52387W-52638 Bearing
This bearing excels in forestry equipment like log splitters and sawmills, thanks to its high static and dynamic load ratings. The chrome steel rollers resist wear even under constant stress.

In material handling systems, 52387W-52638 Bearing’s single-row design simplifies installation and maintenance. The inch measurements ensure compatibility with a wide range of industrial machinery.

Automotive vs Aerospace: Applications of 52387W-52638 Bearing
In automotive settings, this bearing is ideal for truck transmissions, where its combined load capacity is crucial. The steel cage and chrome steel rollers offer long-lasting performance.

For aerospace ground support equipment, 52387W-52638 Bearing provides reliable operation in loaders and tugs. Its temperature range suits both indoor and outdoor use.

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