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TS (Single Row Tapered Roller Bearings) (Imperial) 457-452A

TS (Single Row Tapered Roller Bearings) (Imperial) 457-452A

The 457-452A is a single-row tapered roller bearing with a 1.5625″ bore and 4.25″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 30500 lbf radially and 4540 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 from -30°C to 110°C, suitable for demanding environments.

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 3.3 lb, it’s sturdy yet manageable for its size. Compliant with RoHS and REACH standards, ensuring safe and eco-friendly use.

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Product Parameters

  • Part Number 457-452A
  • Brand TFL
  • Interchangeable Timken
  • Size 1.5625" x 4.25" x 1.2819"
  • Bore Dia 1.5625"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.25"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.1542"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.063"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.2819"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.050"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 2.01"
  • Cone Backface Backing Diameter 2.05"
  • Cup Frontface Backing Diameter 3.96"
  • Cup Backface Backing Diameter 3.66"
  • Cage Cone Frontface Clearance 0.08"
  • Cage Cone Backface Clearance 0.07"
  • Effective Center Location -0.28"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 457
  • Cup Part Number 452A
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 455
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 30500 lbf
  • Static Radial Load 37200 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 7900 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 4540 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 3.3 lb

Features

Performance Features of 457-452A Bearing

457-452A Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 30,500 lbf, ensuring reliable performance in demanding conditions.
The steel cage maintains roller alignment, reducing friction and extending service life.
With a temperature range of -30° to 110°C, it performs well in various environments.

How Does 457-452A Bearing Resist Wear?

457-452A Bearing’s tapered roller design distributes loads evenly, minimising wear and tear.
The chrome steel construction enhances durability, even under heavy radial or thrust loads.
Its standard radial clearance allows for smooth operation, reducing maintenance needs.
The steel cage ensures proper roller spacing, further improving longevity.

Engineered for Precision: 457-452A Bearing

457-452A Bearing features precise dimensions, with bore and outer diameter tolerances tightly controlled.
Its effective center location of -0.28″ ensures accurate alignment in assemblies.
The tapered rollers provide consistent performance, even at high speeds.
This bearing is ideal for applications requiring both radial and thrust load support.

Steel vs Ceramic Bearings: Strengths of 457-452A Bearing

457-452A Bearing uses chrome steel for both rings and rollers, offering excellent strength and durability.
This material choice ensures reliable performance under heavy loads and high temperatures.
The steel cage provides robust support, maintaining roller alignment during operation.
With its ABEC-1 rating, it delivers consistent precision in industrial applications.

Application

Industrial Uses of 457-452A Bearing
The 457-452A Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined radial and thrust loads effectively. Its chrome steel construction ensures durability even in demanding environments.

In automotive applications, 457-452A Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. The inch sizing makes it compatible with many American-made vehicles.

For industrial gearboxes, 457-452A Bearing’s open design allows for easy lubrication, extending its service life. The steel cage adds stability, making it suitable for high-load scenarios.

What Makes 457-452A Bearing a Preferred Choice?
457-452A Bearing is often chosen for agricultural machinery due to its ability to withstand dirt and debris. The standard radial clearance offers flexibility for different operating conditions.

In conveyor systems, 457-452A Bearing’s tapered rollers ensure smooth movement under heavy loads. Its ABEC-1 rating provides a balance of precision and affordability for general industrial use.

Built for Heavy-Duty Use: 457-452A Bearing
457-452A Bearing excels in mining equipment, where its robust design handles extreme conditions. The dynamic radial load capacity of 30500 lbf ensures long-term reliability.

For railway applications, 457-452A Bearing’s effective center location helps maintain alignment under stress. The chrome steel rollers reduce wear, making it a cost-effective solution.

Q&A

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