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

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

The 438-430X is a single-row tapered roller bearing with a 1.75″ bore and 3.5433″ 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 for 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, offering a reliable replacement option. Ideal for heavy-duty machinery or automotive systems where combined loads are common.

Weighing 1.8 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for industrial use. The ABEC-1 rating ensures consistent performance under standard radial clearance conditions.

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Product Parameters

  • Part Number 438-430X
  • 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 438
  • 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 1.8 lb

Features

How Is 438-430X Bearing Engineered for Reliability?

438-430X Bearing features chrome steel rings and rollers, providing strong resistance to combined loads.
Its dynamic radial load capacity reaches 28,500 lbf, ensuring dependable performance in tough conditions.
The steel cage maintains proper roller alignment, reducing friction and extending service life.
With a temperature range of -30° to 110°C, it performs reliably in various environments.

Structural Advantages of 438-430X Bearing

438-430X Bearing’s tapered roller design efficiently handles both radial and thrust loads.
The precise cone and cup width tolerances ensure smooth operation and easy installation.
Its standard radial clearance options allow flexibility for different applications.
The open seal type simplifies maintenance while keeping lubrication effective.

Why Choose 438-430X Bearing for Precision Tasks?

438-430X Bearing’s ABEC-1 rating ensures consistent performance in precision applications.
The chrome steel construction resists wear, maintaining accuracy over time.
Effective center location and cage clearances contribute to stable operation.
With a static radial load of 32,400 lbf, it offers reliability under heavy loads.

Application

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

In automotive applications, 438-430X Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. The inch sizing makes it a straightforward replacement for many North American vehicle models.

For industrial conveyor systems, 438-430X Bearing’s open design allows for easy lubrication, extending service life in high-use scenarios. The steel cage adds extra strength, making it suitable for continuous operation.

Where Is 438-430X Bearing Used?
You’ll often find 438-430X Bearing in mining equipment, where its robust design handles heavy radial and thrust loads. The standard radial clearance option ensures compatibility with various machinery setups.

In power transmission systems, 438-430X Bearing supports shafts and gears, offering smooth rotation under stress. Its ABEC-1 rating provides a balance of precision and affordability for general industrial use.

Built for Heavy-Duty Use: 438-430X Bearing
The 438-430X Bearing excels in forestry machinery, where its tapered rollers manage uneven loads and shocks. The chrome steel rollers resist wear, even in gritty conditions.

For railway applications, 438-430X Bearing’s effective center location helps maintain alignment in bogies and axles. Its temperature range (-30° to 110°C) ensures reliability in diverse climates.

Light-Duty vs Heavy-Duty: Best Uses for 438-430X Bearing
In light-duty scenarios like small pumps, 438-430X Bearing offers dependable performance with minimal maintenance. The steel cage keeps it lightweight yet durable.

For heavy-duty uses like crushers, 438-430X Bearing’s dynamic radial load capacity (28,500 lbf) ensures long-term reliability. Its open design simplifies inspections and relubrication.

Q&A

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