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

The 438W-432X is a single-row tapered roller bearing with a 1.75″ bore and 3.75″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 28500 lbf radial and 3600 lbf thrust, suitable for demanding applications.

Its open design allows 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-duty machinery or automotive systems where combined loads are common.

Weighing 2.2 lb, it offers a balance of strength and manageability. Compliant with RoHS and REACH standards for safe and reliable use.

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Description

Features

Application

Q&A

Product Parameters

Part Number 438W-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 438W
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

Performance Features of 438W-432X Bearing

438W-432X Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 28,500 lbf, making it suitable for heavy-duty 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 conditions.

How Is 438W-432X Bearing Engineered for Reliability?

438W-432X Bearing features a tapered roller design, optimised for both radial and thrust loads.
The chrome steel construction enhances durability, while the steel cage maintains roller positioning.
Its dynamic thrust rating of 3,600 lbf ensures consistent performance under stress.
The standard radial clearance allows for smooth operation in diverse applications.

Built for Durability: 438W-432X Bearing

438W-432X Bearing’s single-row construction provides stability and strength in demanding environments.
The chrome steel rollers and rings resist wear, ensuring a long service life.
With a static radial load capacity of 32,400 lbf, it handles heavy loads with ease.
The open design simplifies lubrication, maintaining optimal performance over time.

Application

Industrial Uses of 438W-432X Bearing
438W-432X Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in tough working conditions.

Where Is 438W-432X Bearing Used?
You’ll often find 438W-432X Bearing in automotive applications, particularly in wheel hubs and differential systems. Its precise imperial sizing makes it a reliable choice for older or custom vehicle models.

Built for Heavy-Duty Use: 438W-432X Bearing
In conveyor systems and material handling equipment, 438W-432X Bearing provides smooth operation under heavy radial and thrust loads. The open design allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 438W-432X Bearing
While 438W-432X Bearing is popular in truck axles and industrial gearboxes, its precision also suits aerospace landing gear components. The steel cage and chrome rollers offer a balance of strength and performance.

Perfect Fit for Automation: 438W-432X Bearing
438W-432X Bearing works well in automated assembly lines, where consistent performance is key. Its standard radial clearance ensures reliable operation without frequent adjustments.