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TS (Single Row Tapered Roller Bearings) (Imperial) 438W-430X

TS (Single Row Tapered Roller Bearings) (Imperial) 438W-430X

The 438W-430X is a single-row tapered roller bearing with a 1.75″ bore and 3.5433″ 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 simplifies lubrication, while the steel cage ensures durability under heavy use. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

Interchangeable with Timken bearings, it’s a practical choice for replacements. Ideal for gearboxes or industrial equipment where both radial and thrust loads are present.

Weighing 1.7 lb, it’s robust yet manageable. Compliant with RoHS and REACH standards, it’s a reliable option for various mechanical setups.

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Product Parameters

  • Part Number 438W-430X
  • Brand TFL
  • Interchangeable Timken
  • Size 1.75" x 3.5433" x 1.094"
  • Bore Dia 1.75"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.5433"
  • 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 0.08"
  • Cone Frontface Backing Diameter 2.01"
  • Cone Backface Backing Diameter 2.24"
  • Cup Frontface Backing Diameter 3.34"
  • 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 430X
  • 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 1.7 lb

Features

Performance Features of 438W-430X Bearing

438W-430X Bearing is constructed 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 various applications.

The steel cage maintains proper roller alignment, reducing friction and extending service life.
With a temperature range of -30° to 110°C, it performs well in diverse operating conditions.

438W-430X Bearing features standard radial clearance, providing flexibility for different installation needs.
Its single-row tapered design ensures efficient load distribution and smooth operation.

The open seal type allows for easy lubrication, maintaining optimal performance over time.
Weighing just 1.7 lb, it balances durability with manageable size for easier handling.

Application

Industrial Uses of 438W-430X Bearing
The 438W-430X Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability even in demanding environments.

In automotive applications, 438W-430X Bearing fits well in wheel hubs and drivetrains, providing reliable performance under both radial and thrust loads. The imperial sizing makes it a straightforward replacement for Timken equivalents in older vehicles.

For industrial conveyors, 438W-430X Bearing’s open design simplifies lubrication and maintenance, reducing downtime. The steel cage adds strength, making it suitable for high-load scenarios.

What Makes 438W-430X Bearing a Preferred Choice?
Its ABEC-1 rating ensures consistent precision in applications like gearboxes and pumps, where smooth operation is key. The standard radial clearance options allow for flexibility in different setups.

Built for Heavy-Duty Use: 438W-430X Bearing
The 438W-430X Bearing excels in mining equipment, where its dynamic radial load capacity of 28,500 lbf handles intense stress. The temperature range of -30° to 110°C ensures reliability in varied climates.

Automotive vs Aerospace: Applications of 438W-430X Bearing
In automotive systems, 438W-430X Bearing supports axles and transmissions, while in aerospace, its precision suits auxiliary machinery. The interchangeable design with Timken simplifies sourcing.

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