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TS (Single Row Tapered Roller Bearings) (Imperial) 463-452A

TS (Single Row Tapered Roller Bearings) (Imperial) 463-452A

The 463-452A is a single-row tapered roller bearing with a 1.875″ 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 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 like gearboxes or industrial equipment where combined loads are common.

Weighing 3 lb, it balances strength and manageability. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 463-452A
  • Brand TFL
  • Interchangeable Timken
  • Size 1.875" x 4.25" x 1.2819"
  • Bore Dia 1.875"
  • 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 0.190"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 2.2"
  • Cone Backface Backing Diameter 2.56"
  • 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 463
  • 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 lb

Features

Performance Features of 463-452A Bearing

463-452A Bearing is crafted from chrome steel, offering robust resistance to combined radial and thrust loads.
Its dynamic radial load capacity reaches 30,500 lbf, ensuring reliable performance in heavy-duty applications.
The tapered roller design enhances load distribution, reducing wear and extending service life.
With a standard radial clearance, it provides smooth operation across various conditions.

How Is 463-452A Bearing Engineered for Reliability?

463-452A Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel rollers and rings ensure durability, even under high stress.
Its effective centre location of -0.28″ improves alignment, reducing uneven wear.
Designed for a temperature range of -30° to 110°C, it performs reliably in diverse environments.

Built for Durability: 463-452A Bearing

463-452A Bearing’s steel cage maintains roller alignment, minimising friction and wear.
The open seal design allows for easy lubrication, ensuring consistent performance.
With a static radial load capacity of 37,200 lbf, it handles demanding applications with ease.
Its ABEC-1 rating ensures precision, making it suitable for various industrial uses.

Steel vs Ceramic Bearings: Strengths of 463-452A Bearing

463-452A Bearing uses chrome steel for both rollers and rings, balancing strength and cost-effectiveness.
The material choice ensures resistance to wear and fatigue, even under heavy loads.
Its dynamic thrust rating of 4,540 lbf makes it versatile for thrust and radial applications.
The standard radial clearance option provides flexibility for different operational needs.

Application

Industrial Uses of 463-452A Bearing
The 463-452A 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, 463-452A Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. The imperial sizing makes it a straightforward replacement for Timken equivalents in older vehicles.

For industrial conveyor systems, 463-452A Bearing’s open design simplifies maintenance while its standard radial clearance accommodates slight misalignments. The steel cage adds extra resilience for continuous operation.

Where Is 463-452A Bearing Used?
You’ll often find 463-452A Bearing in mining equipment, where its robust design withstands high radial and thrust loads. The ABEC-1 rating ensures consistent performance without over-engineering.

In power transmission systems, 463-452A Bearing supports shafts and gears, thanks to its precise cone and cup alignment. The inch measurements make it compatible with North American machinery standards.

Built for Heavy-Duty Use: 463-452A Bearing
This bearing excels in forestry machinery, where its tapered rollers manage uneven loads from rough terrain. The chrome steel rollers resist wear, extending service life.

In material handling equipment, 463-452A Bearing’s standard radial clearance allows for thermal expansion during prolonged use. Its steel cage keeps rollers evenly spaced for smooth operation.

Automotive vs Aerospace: Applications of 463-452A Bearing
In automotive drivetrains, 463-452A Bearing handles high torque, while its aerospace use is limited due to weight constraints. The inch sizing suits vintage car restorations perfectly.

For industrial pumps, 463-452A Bearing’s combined load capacity ensures reliable performance under varying pressures. The open design simplifies relubrication during routine maintenance.

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