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TS (Single Row Tapered Roller Bearings) (Imperial) 439-432X

TS (Single Row Tapered Roller Bearings) (Imperial) 439-432X

The 439-432X is a single-row tapered roller bearing with a 1.625″ 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 2.4 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

The standard radial clearance ensures easy installation, while the ABEC-1 rating provides consistent performance. Suitable for applications requiring precise load distribution and long service life.

Its tapered roller design efficiently manages both radial and thrust loads, making it a practical choice for demanding environments. The chrome steel construction resists wear, extending the bearing’s lifespan.

Perfect for gearboxes, axles, or conveyor systems where reliability is key. The simple maintenance and sturdy build make it a favourite among engineers and maintenance teams alike.

With a dynamic radial rating of 7400 lbf at 90 million revolutions, it’s built to last. The effective centre location ensures stable performance under varying load conditions.

A dependable choice for heavy-duty applications, offering a balance of strength and ease of use. Its compatibility with Timken parts adds to its appeal for replacements or upgrades.

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Product Parameters

  • Part Number 439-432X
  • Brand TFL
  • Interchangeable Timken
  • Size 1.625" x 3.75" x 1.2503"
  • Bore Dia 1.625"
  • 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 1.0313"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.2503"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.050"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 1.91"
  • Cone Backface Backing Diameter 1.97"
  • Cup Frontface Backing Diameter 3.46"
  • 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 432X
  • 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 2.4 lb

Features

How Is 439-432X Bearing Engineered for Reliability?

439-432X Bearing is constructed with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 28,500 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, enhancing durability and reducing friction.
With a standard radial clearance, it provides reliable operation in various industrial settings.

What Makes 439-432X Bearing Suitable for High-Temperature Applications?

439-432X Bearing operates efficiently within a temperature range of -30° to 110°C, ensuring stability in diverse conditions.
The chrome steel materials resist wear and maintain performance even under thermal stress.
Its open design allows for easy lubrication, further enhancing its high-temperature resilience.
This makes it a dependable choice for demanding environments.

Designed for Durability: 439-432X Bearing

439-432X Bearing features a single-row tapered roller design, optimised for combined load handling.
The precision-engineered cone and cup components ensure smooth operation and long service life.
Its standard radial clearance and ABEC-1 rating provide consistent performance.
With a static radial load capacity of 32,400 lbf, it delivers reliable strength in tough applications.

Application

Industrial Uses of 439-432X Bearing
439-432X Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in tough working conditions.

Where Is 439-432X Bearing Used?
You’ll often find 439-432X Bearing in automotive applications like wheel hubs and differential systems, thanks to its ability to manage both radial and thrust loads. Its inch sizing makes it a good fit for many American-made vehicles.

Built for Heavy-Duty Use: 439-432X Bearing
439-432X 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 reliable for continuous operation.

Automotive vs Aerospace: Applications of 439-432X Bearing
In automotive settings, 439-432X Bearing supports drivetrain components, while in aerospace, it’s used in auxiliary systems where precision and reliability are key. Its ABEC-1 rating ensures consistent performance.

Practical Applications of 439-432X Bearing
439-432X Bearing is a solid choice for conveyor systems in factories, where its tapered rollers reduce friction and wear. The standard radial clearance option makes it versatile for various load conditions.

Q&A

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