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

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

The 478W-472A is a single-row tapered roller bearing with a 2.56″ bore and 4.72″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 30,500 lbf radially and 5,200 lbf thrust, suitable for heavy-duty applications.

Its open design simplifies lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures ranging 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 industrial machinery or automotive systems 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 478W-472A
  • Brand TFL
  • Interchangeable Timken
  • Size 2.5591" x 4.7244" x 1.1418"
  • 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 0.923"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.1418"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.09"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 3.52"
  • Cone Backface Backing Diameter 3.03"
  • Cup Frontface Backing Diameter 4.53"
  • Cup Backface Backing Diameter 4.17"
  • 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 478W
  • Cup Part Number 472A
  • 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 30500 lbf
  • Static Radial Load 41900 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 7890 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 5200 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

How Is 478W-472A Bearing Engineered for Reliability?

478W-472A Bearing is crafted from chrome steel for both rings and rollers, ensuring strength and durability under 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 enhancing performance.
With a temperature range of -30° to 110°C, it operates reliably in various conditions.

What Makes 478W-472A Bearing Suitable for High-Temperature Applications?

478W-472A Bearing’s chrome steel construction allows it to perform consistently in temperatures up to 110°C.
The open design facilitates proper lubrication, preventing overheating during extended use.
Its robust cage structure ensures stability even under high thermal stress.
This makes it a dependable choice for industrial machinery operating in warm environments.

Built for Durability: 478W-472A Bearing

478W-472A Bearing features precision-ground chrome steel rollers for long-lasting performance.
The single-row tapered design efficiently handles both radial and thrust loads.
With a static radial load capacity of 41,900 lbf, it withstands demanding operational conditions.
Its standard radial clearance options provide flexibility for different application needs.

Application

Industrial Uses of 478W-472A Bearing
The 478W-472A 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 conditions.

In automotive applications, 478W-472A 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, 478W-472A Bearing’s open design simplifies lubrication and maintenance, extending service life. The standard radial clearance offers flexibility for different operational demands.

Where Is 478W-472A Bearing Used?
You’ll often find 478W-472A Bearing in mining equipment, where its robust design withstands high radial and thrust loads. The steel cage adds extra resilience in dusty or high-vibration environments.

In power transmission systems, 478W-472A 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: 478W-472A Bearing
The 478W-472A Bearing excels in forestry machinery, handling uneven loads and shocks with ease. Its tapered rollers distribute stress evenly, reducing wear over time.

For railway applications, 478W-472A 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 478W-472A Bearing
In automotive settings, 478W-472A Bearing is ideal for drivetrain components, offering a balance of strength and affordability. Its imperial sizing suits older or niche vehicle models.

For aerospace ground support equipment, 478W-472A Bearing provides dependable performance without the need for specialised materials. The chrome steel construction meets general durability needs.

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