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TS (Single Row Tapered Roller Bearings) (Imperial) 458-452A

TS (Single Row Tapered Roller Bearings) (Imperial) 458-452A

The 458-452A is a single-row tapered roller bearing with a 1.75″ bore and 4.25″ outer diameter, crafted from sturdy 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 for 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 or automotive systems where combined loads are common.

Weighing 3.2 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 458-452A
  • Brand TFL
  • Interchangeable Timken
  • Size 1.75" x 4.25" x 1.2819"
  • Bore Dia 1.75"
  • 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 0.03"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 2.13"
  • Cone Backface Backing Diameter 2.17"
  • 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 458
  • 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 3.2 lb

Features

Performance Features of 458-452A Bearing

458-452A 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 heavy-duty applications.

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

458-452A Bearing requires lubrication, but its robust design minimises maintenance needs.
The standard radial clearance option provides flexibility for different installation requirements.

Application

Industrial Uses of 458-452A Bearing
458-452A Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in tough working conditions.

In automotive applications, 458-452A 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 conveyor systems, 458-452A Bearing’s open design allows for easy lubrication, reducing downtime. The steel cage adds stability, making it suitable for high-load scenarios.

What Makes 458-452A Bearing a Preferred Choice?
458-452A Bearing works smoothly in mining equipment, where its robust build withstands harsh environments. The standard radial clearance offers flexibility for various operational needs.

In forestry machinery, 458-452A Bearing’s tapered rollers manage uneven loads effortlessly. Its compatibility with Timken models makes replacements straightforward.

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