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TS (Single Row Tapered Roller Bearings) (Imperial) 449-432

TS (Single Row Tapered Roller Bearings) (Imperial) 449-432

The 449-432 is a single-row tapered roller bearing with a 1.375″ 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 machinery like gearboxes or axles where combined loads are common.

Weighing 2.4 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for industrial use.

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Product Parameters

  • Part Number 449-432
  • Brand TFL
  • Interchangeable Timken
  • Size 1.375" x 3.75" x 1.0938"
  • Bore Dia 1.375"
  • 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 0.875"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.0938"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.03"
  • Cup Backface ToClear Radius 0.090"
  • Cone Frontface Backing Diameter 1.71"
  • Cone Backface Backing Diameter 1.73"
  • Cup Frontface Backing Diameter 3.46"
  • Cup Backface Backing Diameter 3.27"
  • 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 449
  • Cup Part Number 432
  • 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

Performance Features of 449-432 Bearing

449-432 Bearing is built 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 heavy-duty applications.

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

449-432 Bearing requires lubrication but offers standard radial clearance for versatile use.
Its ABEC-1 rating ensures consistent precision in industrial applications.

Application

Industrial Uses of 449-432 Bearing
The 449-432 Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability even in demanding environments.

Where Is 449-432 Bearing Used?
You’ll often find 449-432 Bearing in automotive applications like truck wheel hubs, where its high radial load capacity keeps things running smoothly. The imperial sizing makes it a straightforward fit for many North American vehicles.

Built for Heavy-Duty Use: 449-432 Bearing
449-432 Bearing excels in industrial fans and pumps, thanks to its robust steel cage and tapered rollers. The open design allows for easy lubrication, extending its service life in high-temperature settings.

Automotive vs Aerospace: Applications of 449-432 Bearing
In automotive systems, 449-432 Bearing supports drivetrains and axles, while its precision makes it suitable for some aerospace components. The ABEC-1 rating ensures reliable performance across both sectors.

Perfect Fit for Automation: 449-432 Bearing
449-432 Bearing works well in automated conveyor systems, where its tapered rollers manage varying loads with ease. The standard radial clearance option provides flexibility for different operational needs.

Q&A

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