52401-52637D TDO (Two-Row Double-Outer Race) (Imperial)

The 52401-52637D is a double-row tapered roller bearing with a 4-inch bore and 6.375-inch outer diameter, built from sturdy chrome steel. It handles combined loads up to 87500 lbf and is designed for long-lasting performance in demanding conditions.

Its open design allows for easy lubrication, while the steel cage ensures smooth operation. The bearing works well in temperatures ranging from -30°C to 110°C, making it versatile for various environments.

This model features a standard radial clearance and is ABEC-1 rated, suitable for applications requiring reliable performance. Ideal for heavy machinery or industrial equipment where both radial and thrust loads are present.

Weighing 12.54 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe and dependable choice for replacements or new installations.

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Description

Features

Application

Q&A

Product Parameters

Part Number 52401-52637D
Brand TFL
Size 4" x 6.3750" x 1.4219"
Bore Dia 4"
Bore Dia Tolerance +0.001" to 0
Outer Dia 6.3750"
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 5.04"
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 52401
Cup Part Number 52637D
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 12.54 lb

Features

Performance Features of 52401-52637D Bearing

52401-52637D Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 87,500 lbf, ensuring reliable performance in heavy-duty applications.

The double-row tapered roller design enhances stability and load distribution.
This construction allows 52401-52637D Bearing to handle both radial and thrust loads efficiently.

With a temperature range of -30° to 110°C, it performs well in various environments.
The standard radial clearance options provide flexibility for different operational needs.

52401-52637D Bearing’s steel cage ensures proper roller alignment, reducing wear.
Its robust design makes it suitable for demanding industrial applications.

Application

Key Fields for 52401-52637D Bearing
In industrial settings, 52401-52637D Bearing is commonly used in heavy machinery like mining equipment and construction vehicles, where its double-row design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

Where Is 52401-52637D Bearing Used?
You’ll often find 52401-52637D Bearing in automotive applications, particularly in truck wheel hubs and axles, where its tapered rollers provide smooth performance under radial and thrust loads. The inch sizing makes it a fit for many North American vehicles.

Built for Heavy-Duty Use: 52401-52637D Bearing
This bearing excels in agricultural machinery, such as tractors and harvesters, thanks to its robust steel cage and high dynamic load capacity. Its open design allows for easy lubrication, extending service life in dusty conditions.

Automotive vs Aerospace: Applications of 52401-52637D Bearing
While 52401-52637D Bearing is popular in trucks and off-road vehicles, it’s also suitable for aerospace ground support equipment, where reliability under heavy loads is key. The ABEC-1 rating ensures consistent performance without over-engineering.

Practical Applications of 52401-52637D Bearing
In conveyor systems, 52401-52637D Bearing’s double-row setup handles both radial and axial forces, reducing downtime in production lines. The standard radial clearance offers a balance between precision and ease of installation.