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TS (Single Row Tapered Roller Bearings) (Imperial) 439-430X

TS (Single Row Tapered Roller Bearings) (Imperial) 439-430X

The 439-430X is a single-row tapered roller bearing with a 1.625″ bore and 3.5433″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 28500 lbf radially and 3600 lbf in thrust, suitable for demanding 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, making it a practical choice for replacements. It’s ideal for heavy-duty machinery or automotive systems where combined loads are common.

Weighing 1.900 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a reliable and safe option for various industrial uses.

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Product Parameters

  • Part Number 439-430X
  • Brand TFL
  • Interchangeable Timken
  • Size 1.625" x 3.5433" x 1.094"
  • Bore Dia 1.625"
  • 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 0.050"
  • Cup Backface ToClear Radius 0.08"
  • Cone Frontface Backing Diameter 1.91"
  • Cone Backface Backing Diameter 1.97"
  • 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 439
  • 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 1.900 lb

Features

Why Choose 439-430X Bearing for Combined Loads?

439-430X Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 28,500 lbf, making it suitable for demanding industrial applications.

The single-row tapered roller design ensures smooth operation under combined loads, enhancing performance.
With a standard radial clearance, it provides reliable service in various operating conditions.

439-430X Bearing operates within a temperature range of -30° to 110°C, ensuring versatility.
Its steel cage maintains roller alignment, reducing wear and extending the bearing’s lifespan.

Application

Industrial Uses of 439-430X Bearing
The 439-430X 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.

What Makes 439-430X Bearing a Preferred Choice?
In automotive applications, 439-430X Bearing fits well in wheel hubs and differential systems, thanks to its precise inch sizing and robust load capacity. The open design simplifies lubrication, extending service life.

Built for Heavy-Duty Use: 439-430X Bearing
This bearing excels in industrial fans and pumps, where its standard radial clearance and ABEC-1 rating balance performance and cost. The steel cage adds stability during high-speed rotations.

Automotive vs Aerospace: Applications of 439-430X Bearing
While 439-430X Bearing is popular in truck axles and trailers, its temperature range also suits aerospace auxiliary systems. The tapered rollers manage radial and thrust loads seamlessly.

Perfect Fit for Automation: 439-430X Bearing
In conveyor systems and robotic arms, 439-430X Bearing’s consistent performance reduces downtime. Its compatibility with Timken models makes replacements straightforward.

Q&A

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