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

The 458-452 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 in thrust, suitable for demanding applications.

Its open design allows easy lubrication, while the steel cage ensures durability under heavy use. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

Interchangeable with Timken models, it’s a practical choice for replacements in machinery or automotive systems. The standard radial clearance and ABEC-1 rating make it versatile for various industrial needs.

Weighing 3.2 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s safe for widespread use. Ideal for gearboxes or wheel hubs where combined loads are common.

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Description

Features

Application

Q&A

Product Parameters

Part Number 458-452
Brand TFL
Interchangeable Timken
Size 1.75" x 4.25" x 1.2818"
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 1.2818"
Width Tolerance +0.008" to 0
Cone Backface ToClear Radius 0.03"
Cup Backface ToClear Radius 0.03"
Cone Frontface Backing Diameter 2.13"
Cone Backface Backing Diameter 2.17"
Cup Frontface Backing Diameter 3.96"
Cup Backface Backing Diameter 3.90"
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 452
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 458-452 Bearing

458-452 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 30,500 lbf, making it suitable for 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 reliably in various environments.

458-452 Bearing requires lubrication, ensuring smooth operation and reduced wear over time.
Its standard radial clearance options provide flexibility for different installation needs.

Application

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

Where Is 458-452 Bearing Used?
You’ll often find 458-452 Bearing in automotive axles and wheel hubs, thanks to its ability to manage both radial and thrust loads. The inch sizing makes it a good fit for American-made vehicles and industrial systems.

Built for Heavy-Duty Use: 458-452 Bearing
In conveyor systems and mining equipment, 458-452 Bearing stands up to constant stress and high loads. The steel cage adds extra strength, making it reliable for long-term use.

Automotive vs Aerospace: Applications of 458-452 Bearing
While 458-452 Bearing is popular in truck transmissions, it’s also suited for aerospace landing gear components. Its precision engineering ensures smooth operation in both high-speed and high-load scenarios.

Perfect Fit for Automation: 458-452 Bearing
For robotic arms and automated assembly lines, 458-452 Bearing offers precise movement and low friction. The open design allows for easy lubrication, keeping performance consistent over time.