TS (Single Row Tapered Roller Bearings) (Imperial) 438-432X

The 438-432X is a single-row tapered roller bearing with a 1.75″ bore and 3.75″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 28500 lbf radially and 3600 lbf in thrust, making it versatile for various applications.

Its open design allows easy lubrication, while the steel cage ensures durability under heavy use. 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 or automotive systems where combined loads are common.

Weighing 2.2 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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Description

Features

Application

Q&A

Product Parameters

Part Number 438-432X
Brand TFL
Interchangeable Timken
Size 1.75" x 3.75" x 1.2503"
Bore Dia 1.75"
Bore Dia Tolerance +0.005" to 0
Outer Dia 3.75"
Outer Dia Tolerance +0.001" to 0
Cone Width 1.1772"
Cone Width Tolerance +0.003" to -0.01
Cup Width 1.0313"
Cup Width Tolerance +0.002" to -0.01
Width 1.2503"
Width Tolerance +0.008" to 0
Cone Backface ToClear Radius 0.14"
Cup Backface ToClear Radius 0.130"
Cone Frontface Backing Diameter 2.01"
Cone Backface Backing Diameter 2.24"
Cup Frontface Backing Diameter 3.46"
Cup Backface Backing Diameter 3.19"
Cage Cone Frontface Clearance 0.05"
Cage Cone Backface Clearance 0.04"
Effective Center Location -0.36"
System of Measurement Inch
Type Bearing
Cone Part Number 438
Cup Part Number 432X
Bearing Type Roller
Roller Bearing Type Tapered
For Load Direction Combined
Construction Single Row
Seal Type Open
Cups Type Standard
Series 435
Ring Material Chrome Steel
Roller Material Chrome Steel
Cage Material Steel
Dynamic Radial Load 28500 lbf
Static Radial Load 32400 lbf
Dynamic Radial Rating(90 Million Revolutions)(C90) 7400 lbf
Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 3600 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 2.2 lb

Features

Why Choose 438-432X Bearing for Combined Loads?

438-432X Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 28,500 lbf, making it suitable for demanding industrial applications.
The steel cage ensures proper roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various environments.

How Is 438-432X Bearing Engineered for Reliability?

438-432X Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction provides durability, while the standard radial clearance ensures smooth operation.
Its dynamic thrust rating of 3,600 lbf at 90 million revolutions highlights long-term performance.
The open design allows for easy lubrication, maintaining efficiency over time.

Built for Durability: 438-432X Bearing

438-432X Bearing’s tapered roller design ensures efficient load distribution, reducing wear.
The chrome steel materials resist wear and corrosion, enhancing service life in tough conditions.
With a static radial load capacity of 32,400 lbf, it handles heavy-duty applications with ease.
Its ABEC-1 rating confirms consistent precision and reliability.

Application

Industrial Uses of 438-432X Bearing
The 438-432X Bearing is commonly used in heavy machinery, such as construction equipment and agricultural tools, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability even in demanding environments.

In automotive applications, 438-432X Bearing fits well in wheel hubs and differential systems, providing reliable performance under both radial and thrust loads. The inch sizing makes it a preferred choice for American-made vehicles.

For industrial conveyors, 438-432X Bearing’s open design allows for easy lubrication, extending its service life in high-use scenarios. The steel cage adds extra strength, making it suitable for continuous operation.

What Makes 438-432X Bearing a Preferred Choice?
The 438-432X Bearing is often selected for its versatility in handling both radial and axial loads, making it ideal for gearboxes and power transmission systems. Its standard radial clearance offers a balance between performance and ease of installation.

In mining equipment, 438-432X Bearing’s robust design withstands harsh conditions, while its ABEC-1 rating ensures consistent operation. The tapered rollers distribute loads evenly, reducing wear over time.

Built for Heavy-Duty Use: 438-432X Bearing
The 438-432X Bearing excels in applications like forklifts and cranes, where its high dynamic radial load capacity is crucial. Its steel cage and chrome steel rollers provide long-lasting reliability.

For railway systems, 438-432X Bearing’s temperature range and lubrication requirements make it suitable for both high-speed and low-speed operations. The inch measurements ensure compatibility with a wide range of industrial equipment.