TS (Single Row Tapered Roller Bearings) (Imperial) 438W-433

The 438W-433 is a single-row tapered roller bearing with a 1.75″ bore and 3.4843″ outer diameter, crafted from durable 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 for easy lubrication, while the steel cage ensures reliable performance under stress. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model is interchangeable with Timken bearings, offering a practical replacement option. Ideal for heavy-duty machinery or automotive systems where combined loads are common.

Weighing 1.900 lb, it’s sturdy yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for industrial use.

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Description

Features

Application

Q&A

Product Parameters

Part Number 438W-433
Brand TFL
Interchangeable Timken
Size 1.75" x 3.4843" x 1.4065"
Bore Dia 1.75"
Bore Dia Tolerance +0.005" to 0
Outer Dia 3.4843"
Outer Dia Tolerance +0.001" to 0
Cone Width 1.1772"
Cone Width Tolerance +0.003" to -0.01
Cup Width 1.1875"
Cup Width Tolerance +0.002" to -0.01
Width 1.4065"
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 3.34"
Cup Backface Backing Diameter 3.03"
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 433
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 1.900 lb

Features

Why Choose 438W-433 Bearing for Precision Tasks?

438W-433 Bearing features a single row tapered roller design, ideal for handling combined radial and thrust loads.
Its chrome steel construction ensures durability and resistance to wear in demanding applications.

The bearing’s dynamic radial load capacity reaches 28,500 lbf, providing reliable performance under heavy loads.
With a standard radial clearance option, it offers flexibility for various precision tasks.

438W-433 Bearing operates efficiently within a temperature range of -30° to 110°C.
Its steel cage maintains roller alignment, contributing to smooth and consistent operation.

Application

Industrial Uses of 438W-433 Bearing
The 438W-433 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined radial and thrust loads effectively. Its chrome steel construction ensures durability in demanding environments.

Where Is 438W-433 Bearing Used?
You’ll often find 438W-433 Bearing in automotive applications, particularly in wheel hubs and differential systems, where its precise inch sizing fits imperial-standard vehicles. The open design simplifies lubrication, keeping maintenance straightforward.

Built for Heavy-Duty Use: 438W-433 Bearing
In industrial conveyor systems, 438W-433 Bearing’s robust steel cage and high dynamic load capacity make it reliable for continuous operation. Its standard radial clearance options allow for flexibility in various setups.

Automotive vs Aerospace: Applications of 438W-433 Bearing
While 438W-433 Bearing excels in automotive drivetrains, its ABEC-1 rating also suits aerospace auxiliary systems where moderate precision is needed. The temperature range ensures performance in diverse conditions.

Key Fields for 438W-433 Bearing
For mining equipment, 438W-433 Bearing’s ability to handle heavy radial loads makes it a go-to choice. The steel cage and chrome steel rollers provide long service life even in abrasive environments.