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

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

The 455A-453AS is a single-row tapered roller bearing with a 1.5″ bore and 4.25″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 30500 lbf radially and 4540 lbf thrust, suitable for demanding applications.

Its open design simplifies lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures from -30°C to 110°C, making it versatile for various conditions.

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 3.1 lb, it balances strength and practicality. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 455A-453AS
  • Brand TFL
  • Interchangeable Timken
  • Size 1.5" x 4.25" x 1.0939"
  • 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 0.875"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.0939"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.090"
  • Cone Frontface Backing Diameter 1.95"
  • Cone Backface Backing Diameter 2.2"
  • Cup Frontface Backing Diameter 3.96"
  • Cup Backface Backing Diameter 3.74"
  • 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 453AS
  • 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 3.1 lb

Features

Performance Features of 455A-453AS Bearing

455A-453AS 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 proper roller alignment, reducing friction and extending service life.
With a temperature range of -30° to 110°C, it performs well in various operating conditions.

455A-453AS Bearing’s standard radial clearance allows for smooth operation and easy installation.
Its tapered roller design efficiently handles both radial and thrust loads, making it versatile for different uses.

The bearing requires regular lubrication to maintain optimal performance and longevity.
Its ABEC-1 rating ensures consistent precision and reliability in industrial applications.

Application

Common Applications of 455A-453AS Bearing
455A-453AS Bearing is widely used in industrial machinery, especially in heavy-duty equipment like conveyor systems and gearboxes. Its tapered roller design handles combined loads efficiently, making it suitable for demanding environments.
In automotive applications, 455A-453AS Bearing supports wheel hubs and drivetrain components, ensuring smooth performance under varying loads. The inch sizing makes it a convenient choice for North American vehicle models.
For construction equipment, 455A-453AS Bearing’s chrome steel construction provides durability in rugged conditions. The open design allows for easy lubrication, extending its service life in high-stress scenarios.

Industrial Uses of 455A-453AS Bearing
455A-453AS Bearing is a reliable choice for agricultural machinery, where it handles heavy radial and thrust loads in tractors and harvesters. The steel cage ensures stability even in dusty or humid conditions.
In mining equipment, 455A-453AS Bearing’s robust design withstands extreme loads and vibrations. Its compatibility with Timken models makes it a versatile option for maintenance and replacements.

Where Is 455A-453AS Bearing Used?
455A-453AS Bearing is commonly found in railway applications, supporting axles and bogies with its combined load capacity. The standard radial clearance ensures consistent performance over long distances.
For power transmission systems, 455A-453AS Bearing’s tapered rollers reduce friction, improving efficiency in motors and generators. The ABEC-1 rating balances precision and cost-effectiveness for general industrial use.

Built for Heavy-Duty Use: 455A-453AS Bearing
455A-453AS Bearing excels in forestry equipment, where it endures shock loads and uneven terrain. The chrome steel rollers provide reliable performance in harsh outdoor conditions.
In material handling systems, 455A-453AS Bearing’s single-row design simplifies installation and maintenance. The inch measurements ensure seamless integration with existing machinery.

Automotive vs Aerospace: Applications of 455A-453AS Bearing
455A-453AS Bearing is a staple in automotive drivetrains, offering durability for passenger and commercial vehicles. Its static radial load capacity ensures safety under heavy loads.
In aerospace ground support equipment, 455A-453AS Bearing handles precise movements with its tapered roller design. The temperature range suits both indoor and outdoor operational needs.

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