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TS (Single Row Tapered Roller Bearings) (Imperial) 478-474

TS (Single Row Tapered Roller Bearings) (Imperial) 478-474

The 478-474 is a single-row tapered roller bearing with a 2.5591″ bore and 5.1181″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 32200 lbf radially and 5500 lbf thrust, making it versatile for various applications.

Its open design allows easy lubrication, while the steel cage ensures durability under heavy use. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

Interchangeable with Timken bearings, this model is a reliable choice for replacements. Ideal for industrial machinery or automotive systems where combined loads are common.

Weighing 4.4 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 478-474
  • Brand TFL
  • Interchangeable Timken
  • Size 2.5591" x 5.1181" x 1.2518"
  • Bore Dia 2.5591"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 5.1181"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.142"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.2205"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.2518"
  • 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 4.56"
  • Cup Backface Backing Diameter 4.37"
  • 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 474
  • 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 4.4 lb

Features

Performance Features of 478-474 Bearing

478-474 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 32,200 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, reducing friction and enhancing durability.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Is 478-474 Bearing Engineered for Reliability?

478-474 Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction provides excellent wear resistance, extending its service life.
Its standard radial clearance allows for smooth operation in diverse industrial settings.
With an ABEC-1 rating, it balances precision and cost-effectiveness.

Built for Durability: 478-474 Bearing

478-474 Bearing’s robust construction withstands dynamic radial loads up to 32,200 lbf.
The tapered roller design ensures efficient load distribution, reducing stress on components.
Its steel cage maintains roller positioning, preventing misalignment during operation.
The bearing operates reliably within a wide temperature range of -30° to 110°C.

Application

Industrial Uses of 478-474 Bearing
The 478-474 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.

Where Is 478-474 Bearing Used?
You’ll often find 478-474 Bearing in automotive applications, such as wheel hubs and differential systems, thanks to its ability to manage both radial and thrust loads. The inch sizing makes it a good fit for North American vehicle designs.

Built for Heavy-Duty Use: 478-474 Bearing
478-474 Bearing excels in industrial settings like conveyor systems, where its open design allows for easy lubrication and maintenance. The steel cage adds extra strength, making it reliable for continuous operation.

Automotive vs Aerospace: Applications of 478-474 Bearing
In automotive systems, 478-474 Bearing supports high-load components like axles, while in aerospace, its precision helps with landing gear mechanisms. The ABEC-1 rating ensures consistent performance across different industries.

Perfect Fit for Automation: 478-474 Bearing
478-474 Bearing works well in automated machinery, such as robotic arms, where smooth rotation is key. Its standard radial clearance options make it adaptable to various operational needs.

Q&A

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