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439 Single Cones (Imperial)
439 Single Cones (Imperial)

439 Single Cones (Imperial)

The 439 single cones are tapered roller bearings designed for combined loads, with a 1.625″ bore and made from durable chrome steel. They handle dynamic radial loads up to 28500 lbf and operate smoothly in temperatures from -30°C to 110°C.

Their open design and steel cage ensure easy maintenance and long-lasting performance. The bearings come in standard radial clearance, with options for C3, C4, or C5 clearances to suit different needs.

These cones are part of the 435 series and are interchangeable with Timken bearings, making them a reliable choice for replacements. Ideal for industrial machinery or automotive applications where combined loads are common.

Compliant with RoHS and REACH standards, they offer a balance of strength and durability. The ABEC-1 rating ensures consistent performance for general-purpose use.

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Product Parameters

  • Part Number 439
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number 439-430X , 439-432 , 439-432A , 439-432X , 439-433 , 439-432AB
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Series 435
  • Bore Dia 1.625"
  • Bore Dia Tolerance +0.005" to 0
  • Cone Width 1.1772"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.050"
  • Cone Frontface Backing Diameter 1.91"
  • Cone Backface Backing Diameter 1.97"
  • Cage Cone Frontface Clearance 0.05"
  • Cage Cone Backface Clearance 0.04"
  • Effective Center Location -0.36"
  • Ring 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 Radial Rating(Two Row 1 Million Revolutions)(C1) 49700 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 3600 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 12900 lbf
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant

Features

How Does 439 Bearing Handle Combined Loads?

439 Bearing is designed with chrome steel rings and a steel cage, providing strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 28,500 lbf, ensuring reliable performance in demanding applications.
The tapered roller design ensures smooth operation and efficient load distribution.
With a temperature range of -30° to 110°C, it performs well in various environments.

What Makes 439 Bearing Suitable for High-Temperature Applications?

439 Bearing operates effectively in temperatures from -30° to 110°C, maintaining performance under thermal stress.
The chrome steel construction resists wear and deformation, ensuring durability.
Its standard radial clearance options (C3/C4/C5) allow for flexibility in different conditions.
The steel cage keeps rollers aligned, reducing friction and heat generation.

Engineered for Precision: 439 Bearing

439 Bearing features a tapered roller design for precise load handling and smooth rotation.
The chrome steel rings and steel cage enhance durability and reduce maintenance needs.
With an ABEC-1 rating, it offers reliable performance for various industrial applications.
Its effective center location ensures proper alignment and efficient operation.

Structural Advantages of 439 Bearing

439 Bearing’s single-row construction provides stability and efficient load distribution.
The chrome steel material resists wear, extending the bearing’s service life.
Its dynamic thrust rating of 3,600 lbf ensures reliable performance under heavy loads.
The open seal design allows for easy inspection and maintenance.

Why Choose 439 Bearing for Heavy-Duty Applications?

439 Bearing handles dynamic radial loads up to 28,500 lbf, making it ideal for heavy-duty use.
The tapered roller design ensures smooth operation and reduces friction.
Its steel cage maintains roller alignment, enhancing durability and performance.
With a wide temperature range, it adapts to various working conditions.

Application

Industrial Uses of 439 Single Cones
The 439 Single Cones are commonly used in heavy machinery, such as construction equipment and agricultural gear, where combined loads are frequent. Their tapered roller design ensures smooth operation even under demanding conditions.

Where Is 439 Single Cones Used?
You’ll find 439 Single Cones in automotive applications like truck wheel hubs, where their durability handles both radial and thrust loads effectively. The inch sizing makes them a good fit for North American vehicles.

Built for Heavy-Duty Use: 439 Single Cones
In industrial settings, 439 Single Cones excel in conveyor systems and gearboxes, thanks to their chrome steel construction. The open design allows for easy lubrication, extending their service life.

Automotive vs Aerospace: Applications of 439 Single Cones
While 439 Single Cones are popular in truck axles, they’re also suitable for aerospace ground support equipment. Their robust design ensures reliability in both high-load and precision environments.

Perfect Fit for Automation: 439 Single Cones
For automated machinery, 439 Single Cones provide stable performance in robotic arms and assembly lines. The steel cage enhances durability, making them a reliable choice for continuous operation.

Q&A

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