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TS (Single Row Tapered Roller Bearings) (Imperial) 456-452A

TS (Single Row Tapered Roller Bearings) (Imperial) 456-452A

The 456-452A is a single-row tapered roller bearing with a 2.125″ bore and 4.25″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 36100 lbf radially and 5380 lbf in thrust, making it versatile for various applications.

Its open design allows for 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 industrial machinery or automotive systems where combined loads are common.

Weighing 2.8 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for most environments.

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Product Parameters

  • Part Number 456-452A
  • Brand TFL
  • Interchangeable Timken
  • Size 2.125" x 4.25" x 1.2818"
  • Bore Dia 2.125"
  • 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 1.2818"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 2.4"
  • Cone Backface Backing Diameter 2.68"
  • 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 456
  • 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 36100 lbf
  • Static Radial Load 37200 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 9370 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 5380 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 2.8 lb

Features

Why Choose 456-452A Bearing for Precision Tasks?

456-452A Bearing is crafted with chrome steel rings and rollers, ensuring durability and precision in combined load applications.
Its dynamic radial load capacity reaches 36,100 lbf, making it suitable for demanding industrial environments.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Is 456-452A Bearing Engineered for Reliability?

456-452A Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction resists wear, while the standard radial clearance ensures smooth operation.
Its dynamic thrust rating of 5,380 lbf at 90 million revolutions highlights its long-term reliability.
The open seal type allows for easy lubrication, maintaining performance over time.

Built for Durability: 456-452A Bearing

456-452A Bearing’s robust chrome steel components withstand heavy radial loads up to 37,200 lbf.
The precise tolerances in bore and outer diameters ensure a secure fit in various applications.
Its ABEC-1 rating confirms consistent performance for general precision needs.
The tapered roller design efficiently manages both radial and thrust loads.

Steel vs Ceramic Bearings: Strengths of 456-452A Bearing

456-452A Bearing uses high-quality chrome steel for both rollers and rings, offering excellent strength and wear resistance.
Unlike ceramic options, it provides a cost-effective solution without compromising on load capacity.
The steel cage ensures stable roller movement, enhancing the bearing’s overall durability.
With a wide temperature range, it adapts well to fluctuating operational conditions.

Application

Industrial Uses of 456-452A Bearing
456-452A 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.

Where Is 456-452A Bearing Used?
In automotive applications, 456-452A Bearing fits well in wheel hubs and differential systems, providing reliable performance under radial and thrust loads. Its inch sizing makes it a go-to choice for American-made vehicles.

Built for Heavy-Duty Use: 456-452A Bearing
This bearing excels in conveyor systems and industrial fans, where its open design allows for easy lubrication and maintenance. The steel cage adds stability, making it suitable for high-load scenarios.

Automotive vs Aerospace: Applications of 456-452A Bearing
While 456-452A Bearing is popular in truck axles and off-road vehicles, it also finds use in aircraft landing gear components. Its ABEC-1 rating ensures consistent performance across different industries.

Essential Roles of 456-452A Bearing
For mining equipment, 456-452A Bearing offers robust support in crushers and pulverisers, thanks to its high dynamic load capacity. The standard radial clearance adapts well to varying operational conditions.

Q&A

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