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TS (Single Row Tapered Roller Bearings) (Imperial) 478-472

TS (Single Row Tapered Roller Bearings) (Imperial) 478-472

The 478-472 is a single-row tapered roller bearing with a 2.5591″ bore and 4.7244″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 32200 lbf radially and 5500 lbf thrust, making it a versatile choice.

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 applications where combined loads are common.

Weighing 3.2 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe and dependable choice.

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Product Parameters

  • Part Number 478-472
  • Brand TFL
  • Interchangeable Timken
  • Size 2.5591" x 4.7244" x 1.173"
  • Bore Dia 2.5591"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.7244"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.142"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.9542"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.173"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.09"
  • Cup Backface ToClear Radius 0.08"
  • Cone Frontface Backing Diameter 3.52"
  • Cone Backface Backing Diameter 3.03"
  • Cup Frontface Backing Diameter 4.53"
  • Cup Backface Backing Diameter 4.21"
  • Cage Cone Frontface Clearance 0.12"
  • Cage Cone Backface Clearance 0.04"
  • Effective Center Location -0.16"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 478
  • Cup Part Number 472
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 475
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 32200 lbf
  • Static Radial Load 41900 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 8360 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 5500 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

How Does 478-472 Bearing Handle Combined Loads?

478-472 Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 32,200 lbf, ensuring reliable performance in demanding conditions.
The steel cage maintains roller alignment, reducing friction and extending service life.
With a temperature range of -30° to 110°C, it performs well in various environments.

Structural Advantages of 478-472 Bearing

478-472 Bearing features a single-row tapered roller design, optimised for combined load applications.
The precise cone and cup dimensions ensure smooth operation and easy installation.
Chrome steel construction enhances durability, even under heavy loads.
Its standard radial clearance allows for consistent performance across different applications.

Why Choose 478-472 Bearing for Precision Tasks?

478-472 Bearing’s ABEC-1 rating ensures reliable precision in industrial applications.
The tapered roller design minimises friction, promoting efficient power transmission.
With a dynamic thrust rating of 5,500 lbf, it handles demanding tasks with ease.
Its open design simplifies lubrication, maintaining optimal performance over time.

Engineered for Reliability: 478-472 Bearing

478-472 Bearing’s chrome steel components resist wear, ensuring long-term reliability.
The steel cage provides stable roller guidance, reducing vibration and noise.
Its wide temperature range makes it suitable for diverse operating conditions.
Standard radial clearance options offer flexibility for different installation requirements.

Application

Industrial Uses of 478-472 Bearing
The 478-472 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 rugged environments.

In automotive applications, 478-472 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, 478-472 Bearing’s open design simplifies lubrication and maintenance, reducing downtime. Its standard radial clearance offers flexibility for different operational needs.

Where Is 478-472 Bearing Used?
You’ll often find 478-472 Bearing in mining equipment, where its robust design withstands high radial and thrust loads. The steel cage adds extra strength for demanding conditions.

In power transmission systems, 478-472 Bearing supports shafts and gears, ensuring smooth rotation. Its ABEC-1 rating balances precision and cost-effectiveness for general industrial use.

Built for Heavy-Duty Use: 478-472 Bearing
The 478-472 Bearing excels in forestry machinery, handling shock loads and uneven forces with ease. Its tapered rollers distribute stress evenly, extending service life.

For railway applications, 478-472 Bearing’s temperature tolerance (-30° to 110°C) ensures reliability in varying climates. The standard lubrication requirement keeps maintenance straightforward.

Automotive vs Aerospace: Applications of 478-472 Bearing
In automotive drivetrains, 478-472 Bearing handles high torque and axial loads, making it ideal for trucks and off-road vehicles. Its compatibility with Timken parts simplifies repairs.

While not typically used in aerospace, 478-472 Bearing’s precision suits industrial fans and pumps where consistent performance matters. The chrome steel rollers resist wear over time.

Q&A

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