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

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

The 449-432X is a single-row tapered roller bearing with a 1.375″ bore and 3.75″ outer diameter, crafted from durable 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 reliable performance. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model is interchangeable with Timken bearings, offering a practical replacement option. Ideal for heavy-duty machinery or automotive systems where combined loads are common.

Weighing 2.6 lb, it’s sturdy yet manageable for its size. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 449-432X
  • Brand TFL
  • Interchangeable Timken
  • Size 1.375" x 3.75" x 1.2503"
  • 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 1.0313"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.2503"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.03"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 1.71"
  • Cone Backface Backing Diameter 1.73"
  • 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 449
  • 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 2.6 lb

Features

Performance Features of 449-432X Bearing

449-432X 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 demanding 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 well in various environments.

How Is 449-432X Bearing Engineered for Reliability?

449-432X Bearing features a single-row tapered roller design, optimised for combined load applications.
The chrome steel construction enhances durability, while the standard radial clearance ensures smooth operation.
Its dynamic thrust rating of 3,600 lbf makes it suitable for heavy-duty tasks.
The open seal type allows for easy lubrication, maintaining performance over time.

Built for Durability: 449-432X Bearing

449-432X Bearing’s tapered roller design provides excellent load distribution, reducing wear.
The steel cage and chrome steel rollers ensure long-lasting performance under high stress.
With a static radial load capacity of 32,400 lbf, it handles demanding applications with ease.
Its ABEC-1 rating guarantees consistent precision in various industrial uses.

Steel vs Ceramic Bearings: Strengths of 449-432X Bearing

449-432X Bearing uses chrome steel for both rings and rollers, offering a balance of strength and cost-efficiency.
The steel cage design ensures reliable roller alignment, even under heavy loads.
With a dynamic radial rating of 7,400 lbf for 90 million revolutions, it delivers long-term performance.
The standard radial clearance option provides flexibility for different application needs.

Application

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

In automotive applications, 449-432X Bearing fits well in wheel hubs and differential systems, providing reliable performance under radial and thrust loads. Its inch sizing makes it a convenient choice for American-made vehicles.

For industrial automation, 449-432X Bearing supports conveyor systems and robotic arms, where precision and load capacity are key. The open design allows for easy lubrication, extending its service life.

Where Is 449-432X Bearing Used?
449-432X Bearing finds its place in mining equipment, where its robust design withstands high loads and harsh conditions. The steel cage adds extra strength, making it suitable for continuous operation.

In manufacturing plants, 449-432X Bearing is often seen in gearboxes and pumps, ensuring smooth rotation under heavy stress. Its standard radial clearance offers flexibility for various industrial needs.

Built for Heavy-Duty Use: 449-432X Bearing
449-432X Bearing excels in forestry machinery, handling both radial and axial loads with ease. The tapered rollers distribute stress evenly, reducing wear over time.

For railway applications, 449-432X Bearing provides stability in axle boxes, where consistent performance is crucial. Its ABEC-1 rating ensures reliable operation at moderate speeds.

Automotive vs Aerospace: Applications of 449-432X Bearing
In automotive systems, 449-432X Bearing supports drivetrain components, offering a balance of strength and precision. The inch measurements align with standard US automotive specs.

For aerospace ground equipment, 449-432X Bearing is used in loading mechanisms, where its load capacity and temperature range meet operational demands. The chrome steel material resists corrosion in outdoor conditions.

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