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TS (Single Row Tapered Roller Bearings) (Imperial) 455A-453

TS (Single Row Tapered Roller Bearings) (Imperial) 455A-453

The 455A-453 is a single-row tapered roller bearing with a 1.5″ 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 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 machinery like gearboxes or wheel hubs where combined loads are common.

Weighing 3.3 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 455A-453
  • Brand TFL
  • Interchangeable Timken
  • Size 1.5" x 4.25" x 1.0943"
  • Bore Dia 1.5"
  • 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 1.0943"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.03"
  • Cone Frontface Backing Diameter 1.95"
  • Cone Backface Backing Diameter 2.2"
  • Cup Frontface Backing Diameter 3.96"
  • Cup Backface Backing Diameter 3.82"
  • 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 455A
  • Cup Part Number 453
  • 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

How Is 455A-453 Bearing Engineered for Reliability?

455A-453 Bearing is constructed with chrome steel rings and rollers, ensuring durability under combined loads.
Its dynamic radial load capacity reaches 30,500 lbf, making it suitable for heavy-duty applications.
The steel cage maintains proper roller alignment, reducing friction and wear.
With a temperature range of -30° to 110°C, it performs reliably in various environments.

What Makes 455A-453 Bearing Suitable for High-Temperature Applications?

455A-453 Bearing operates efficiently in temperatures ranging from -30° to 110°C, maintaining performance in demanding conditions.
The chrome steel construction resists heat-related wear, ensuring long-term reliability.
Its standard radial clearance allows for thermal expansion, preventing performance issues.
The open design facilitates proper lubrication, further enhancing high-temperature resilience.

Designed for Durability: 455A-453 Bearing

455A-453 Bearing features a single-row tapered roller design, optimised for handling combined loads.
The chrome steel rollers and rings provide excellent resistance to wear and fatigue.
With a static radial load capacity of 37,200 lbf, it offers robust performance in tough conditions.
Its standard ABEC-1 rating ensures consistent precision and reliability.

Steel vs Ceramic Bearings: Strengths of 455A-453 Bearing

455A-453 Bearing uses chrome steel for both rollers and rings, balancing cost and performance.
This material choice provides excellent strength and wear resistance for industrial applications.
The steel cage further enhances durability while maintaining proper roller alignment.
With a dynamic thrust rating of 4,540 lbf, it delivers reliable performance in thrust applications.

Application

Industrial Uses of 455A-453 Bearing
The 455A-453 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability even in demanding environments.

In automotive applications, 455A-453 Bearing fits well in wheel hubs and differential systems, providing reliable performance under radial and thrust loads. The inch sizing makes it a preferred choice for American-made vehicles.

For industrial conveyor systems, 455A-453 Bearing’s open design allows for easy lubrication, extending service life in high-load scenarios. The steel cage adds extra strength, making it suitable for continuous operation.

Where Is 455A-453 Bearing Used?
You’ll often find 455A-453 Bearing in mining equipment, where its robust design withstands harsh conditions. The tapered rollers distribute loads evenly, reducing wear over time.

In power transmission systems, 455A-453 Bearing supports shafts and gears, ensuring smooth rotation under heavy loads. Its ABEC-1 rating balances precision and cost-effectiveness for general industrial use.

Built for Heavy-Duty Use: 455A-453 Bearing
The 455A-453 Bearing excels in forestry machinery, handling both radial and axial forces with ease. Its standard radial clearance offers flexibility for various operating conditions.

In material handling equipment, 455A-453 Bearing’s steel cage and chrome steel rollers provide long-lasting performance. The inch dimensions make it easy to replace in existing systems.

Automotive vs Aerospace: Applications of 455A-453 Bearing
In automotive systems, 455A-453 Bearing is ideal for wheel ends, offering reliable load capacity. Its compatibility with Timken designs simplifies maintenance and replacements.

For aerospace ground support equipment, 455A-453 Bearing handles moderate loads with precision. The temperature range suits both indoor and outdoor applications.

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