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

The 438W-432 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 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 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for most environments.

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Description

Features

Application

Q&A

Product Parameters

Part Number 438W-432
Brand TFL
Interchangeable Timken
Size 1.75" x 3.75" x 1.094"
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 0.875"
Cup Width Tolerance +0.002" to -0.01
Width 1.094"
Width Tolerance +0.008" to 0
Cone Backface ToClear Radius 0.14"
Cup Backface ToClear Radius 0.090"
Cone Frontface Backing Diameter 2.01"
Cone Backface Backing Diameter 2.24"
Cup Frontface Backing Diameter 3.46"
Cup Backface Backing Diameter 3.27"
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 432
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 lb

Features

Performance Features of 438W-432 Bearing

438W-432 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 28,500 lbf, ensuring reliable performance in heavy-duty applications.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environments.

How Does 438W-432 Bearing Reduce Friction?

438W-432 Bearing’s tapered roller design minimises friction, allowing smooth operation under combined loads.
The chrome steel construction ensures durability while maintaining efficient performance.
Its standard radial clearance options provide flexibility for different application needs.
With proper lubrication, 438W-432 Bearing delivers consistent performance over time.

Engineered for Precision: 438W-432 Bearing

438W-432 Bearing features precise dimensions with tight tolerances for accurate performance.
The ABEC-1 rating ensures reliable operation in various industrial applications.
Its effective center location of -0.36″ contributes to stable rotation under load.
The bearing’s design balances strength and precision for demanding tasks.

Application

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

Where Is 438W-432 Bearing Used?
You’ll often find 438W-432 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-432 Bearing
438W-432 Bearing excels in industrial fans and pumps, where its open design allows for easy lubrication and maintenance. The steel cage adds extra strength, making it suitable for high-load scenarios.

Automotive vs Aerospace: Applications of 438W-432 Bearing
In automotive systems, 438W-432 Bearing supports drivetrain components, while in aerospace, it’s used in auxiliary equipment due to its reliability. The standard radial clearance ensures smooth operation in both fields.

Practical Applications of 438W-432 Bearing
438W-432 Bearing is a go-to for conveyor systems in manufacturing plants, where its combined load capacity keeps things running smoothly. The ABEC-1 rating balances precision and cost-effectiveness for general industrial use.