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

The 52387-52638 is a single-row tapered roller bearing with a 3.875″ bore and 6.375″ outer diameter, crafted from robust chrome steel. It manages combined loads up to 50200 lbf radial and 10600 lbf thrust, suitable for demanding applications.

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

This model is interchangeable with Timken bearings, making it a practical choice for replacements. Ideal for heavy machinery or automotive uses where combined loads are common.

Weighing 6.4 lb, it’s sturdy yet manageable for its size. Compliant with RoHS and REACH standards for safe and reliable performance.

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Description

Features

Application

Q&A

Product Parameters

Part Number 52387-52638
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 52387
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

How Does 52387-52638 Bearing Handle Combined Loads?

52387-52638 Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 50,200 lbf, ensuring reliable performance in demanding conditions.
The steel cage keeps the rollers aligned, reducing wear and extending the bearing’s service life.
With a temperature range of -30° to 110°C, it performs well in various environments.

What Makes 52387-52638 Bearing Suitable for Heavy-Duty Applications?

52387-52638 Bearing features a single-row tapered roller design, ideal for handling combined loads efficiently.
The chrome steel construction provides durability and resistance to wear under heavy stress.
Its dynamic thrust rating of 10,600 lbf ensures smooth operation in challenging conditions.
The standard radial clearance allows for flexibility in different applications.

Built for Reliability: 52387-52638 Bearing

52387-52638 Bearing is precision-engineered with chrome steel components for long-lasting performance.
The tapered roller design ensures even load distribution, reducing friction and heat generation.
With a static radial load capacity of 77,000 lbf, it excels in heavy-duty industrial use.
The open seal type simplifies maintenance and lubrication.

Application

Industrial Uses of 52387-52638 Bearing
The 52387-52638 Bearing is commonly used in heavy machinery, such as construction equipment and mining gear, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability in tough working conditions.

In automotive applications, 52387-52638 Bearing supports wheel hubs and drivetrains, providing reliable performance under high stress. The inch sizing makes it compatible with many American-made vehicles.

For industrial fans and pumps, 52387-52638 Bearing’s open design allows for easy lubrication, extending its service life. The standard radial clearance ensures smooth operation in various temperature ranges.

Why Is 52387-52638 Bearing Essential in Machinery?
This bearing excels in applications requiring both radial and thrust load support, such as gearboxes and conveyor systems. Its steel cage adds strength while maintaining flexibility.

The 52387-52638 Bearing’s ABEC-1 rating makes it suitable for general machinery where precision is important but not extreme. Its weight and dimensions are ideal for medium to heavy-duty use.

Built for Heavy-Duty Use: 52387-52638 Bearing
You’ll often find this bearing in agricultural machinery, where it withstands dirt and debris thanks to its robust design. The tapered rollers distribute loads evenly, reducing wear.

In material handling systems, 52387-52638 Bearing’s dynamic load capacity ensures reliable performance over long periods. The chrome steel rollers resist deformation under pressure.

Automotive vs Aerospace: Applications of 52387-52638 Bearing
While commonly used in trucks and buses, this bearing isn’t typically found in aerospace due to its weight. However, it’s perfect for ground vehicles needing combined load support.

The 52387-52638 Bearing’s temperature range suits most automotive and industrial environments. Its standard lubrication requirement makes maintenance straightforward.