TS (Single Row Tapered Roller Bearings) (Imperial) 52394X-52639

The 52394X-52639 is a single-row tapered roller bearing with a 3.937″ bore and 6.375″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 47,400 lbf radially and 10,000 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 robust performance is needed.

Weighing 6.8 lb, it’s built to last while meeting RoHS and REACH standards for safety and compliance. The standard radial clearance ensures straightforward installation and maintenance.

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Description

Features

Application

Q&A

Product Parameters

Part Number 52394X-52639
Brand TFL
Interchangeable Timken
Size 3.937" x 6.375" x 1.625"
Bore Dia 3.937"
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 4.95"
Cone Backface Backing Diameter 4.57"
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 52394X
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 47400 lbf
Static Radial Load 77000 lbf
Dynamic Radial Rating(90 Million Revolutions)(C90) 12300 lbf
Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 10000 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 6.8 lb

Features

How Is 52394X-52639 Bearing Engineered for Reliability?

52394X-52639 Bearing features chrome steel rings and rollers, ensuring strong resistance to combined loads.
Its dynamic radial load capacity reaches 47,400 lbf, making it suitable for heavy-duty applications.
The steel cage maintains proper roller alignment, reducing friction and wear.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

What Makes 52394X-52639 Bearing Suitable for High-Temperature Applications?

52394X-52639 Bearing operates efficiently in temperatures ranging from -30° to 110°C.
The chrome steel construction ensures durability and resistance to thermal expansion.
Its open design allows for easy lubrication, maintaining smooth operation under stress.
The standard radial clearance options provide flexibility for different operational needs.

Built for Durability: 52394X-52639 Bearing

52394X-52639 Bearing is constructed with high-quality chrome steel for long-lasting performance.
Its tapered roller design efficiently handles both radial and thrust loads.
The steel cage ensures stable roller movement, reducing wear over time.
With a static radial load capacity of 77,000 lbf, it excels in demanding environments.

Steel vs Ceramic Bearings: Strengths of 52394X-52639 Bearing

52394X-52639 Bearing uses chrome steel for its rollers and rings, offering excellent strength and durability.
This material choice ensures reliable performance under high dynamic radial loads up to 47,400 lbf.
The steel cage provides robust support, maintaining alignment and reducing friction.
Its standard radial clearance options make it versatile for various applications.

Application

Industrial Uses of 52394X-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 in tough working conditions.

Where Is 52394X-52639 Bearing Used?
You’ll often find this bearing in automotive applications, particularly in wheel hubs and differential systems. Its precise inch sizing makes it a reliable choice for older or specialised vehicle models.

Built for Heavy-Duty Use: 52394X-52639 Bearing
In industrial settings, this bearing supports conveyor systems and gearboxes, thanks to its high dynamic radial load capacity. The open design allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 52394X-52639 Bearing
While it’s popular in truck axles and heavy vehicles, this bearing also sees use in aircraft landing gear components. The steel cage provides stability under varying temperatures and loads.

Key Fields for 52394X-52639 Bearing
Farm machinery benefits from this bearing’s ability to handle both radial and thrust loads in equipment like tractors. Its standard radial clearance offers flexibility for different operational needs.