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

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

The 449-432A 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. The bearing operates smoothly in temperatures from -30°C to 110°C, suitable for demanding environments.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for heavy-duty machinery, gearboxes, or industrial equipment where combined loads are common.

Weighing 2.4 lb, it’s robust 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 449-432A
  • Brand TFL
  • Interchangeable Timken
  • Size 1.375" x 3.75" x 1.094"
  • 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 1.094"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.03"
  • Cup Backface ToClear Radius 0.03"
  • Cone Frontface Backing Diameter 1.71"
  • Cone Backface Backing Diameter 1.73"
  • Cup Frontface Backing Diameter 3.46"
  • Cup Backface Backing Diameter 3.31"
  • 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 432A
  • 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 Does 449-432A Bearing Handle Combined Loads?

449-432A 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 steel cage ensures proper roller alignment, reducing friction and extending operational life.
With a standard radial clearance, it provides reliable performance across various operating conditions.

What Makes 449-432A Bearing Durable?

449-432A Bearing’s chrome steel construction enhances its durability and resistance to wear.
The tapered roller design efficiently distributes loads, minimising stress on individual components.
Its ABEC-1 rating ensures consistent precision in operation.
The bearing maintains performance in temperatures ranging from -30° to 110°C, suitable for diverse environments.

Engineered for Precision: 449-432A Bearing

449-432A Bearing features precise dimensional tolerances for reliable fit and function.
The single row tapered roller design provides stable performance under combined loads.
With a static radial load capacity of 32,400 lbf, it handles heavy-duty applications with ease.
The standard radial clearance option allows for flexibility in different operating conditions.

Application

Industrial Uses of 449-432A Bearing
449-432A Bearing is commonly used in heavy machinery like 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.

In automotive applications, 449-432A Bearing fits well in wheel hubs and differential systems, thanks to its precise imperial sizing. Its open design simplifies lubrication, making maintenance straightforward for mechanics.

For industrial conveyor systems, 449-432A Bearing provides reliable performance under constant radial and thrust loads. The steel cage adds extra strength, ensuring smooth operation over long periods.

Where Is 449-432A Bearing Used?
You’ll often find 449-432A Bearing in mining equipment, where its robust design withstands high loads and harsh environments. The ABEC-1 rating ensures consistent performance without over-engineering.

In railway applications, 449-432A Bearing supports axle boxes, offering stability and reducing wear. Its standard radial clearance makes it adaptable to various load conditions.

Built for Heavy-Duty Use: 449-432A Bearing
449-432A Bearing excels in forestry machinery, handling uneven loads with ease. The tapered rollers distribute stress evenly, extending the bearing’s service life.

For oil and gas equipment, 449-432A Bearing’s temperature range (-30° to 110°C) ensures reliability in extreme conditions. The steel cage and chrome steel rollers resist corrosion and wear.

Automotive vs Aerospace: Applications of 449-432A Bearing
In automotive systems, 449-432A Bearing is ideal for drivetrains, balancing radial and thrust loads effectively. Its imperial sizing matches many North American vehicle standards.

For aerospace ground support equipment, 449-432A Bearing provides dependable performance without unnecessary complexity. The standard radial clearance suits varied operational demands.

Q&A

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