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

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

The 478W-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 30500 lbf radially and 5200 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, gearboxes, or industrial equipment where combined loads are common.

Weighing 4.4 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 478W-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 478W
  • 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 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 4.4 lb

Features

Performance Features of 478W-474 Bearing

478W-474 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 demanding conditions.
The steel cage maintains proper roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environments.

How Is 478W-474 Bearing Engineered for Reliability?

478W-474 Bearing features a tapered roller design, optimised for handling both radial and thrust loads.
The chrome steel construction provides durability, while the steel cage ensures smooth operation.
Its static radial load capacity of 41,900 lbf makes it suitable for heavy-duty applications.
The standard radial clearance allows for flexibility in different operating conditions.

Built for Durability: 478W-474 Bearing

478W-474 Bearing’s single-row tapered roller design ensures efficient load distribution.
The chrome steel components resist wear, maintaining performance over extended periods.
With a dynamic thrust rating of 5,200 lbf, it handles demanding applications with ease.
Its open design simplifies lubrication, reducing maintenance requirements.

Application

Key Fields for 478W-474 Bearing
478W-474 Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. The imperial sizing makes it a straightforward fit for North American industrial applications.

What Makes 478W-474 Bearing a Preferred Choice?
In automotive systems, 478W-474 Bearing works well in wheel hubs and differentials, thanks to its chrome steel construction and robust load capacity. The open design simplifies lubrication, ensuring long service life even under demanding conditions.

Industrial vs Agricultural: Where 478W-474 Bearing Excels
For conveyor systems and grain elevators, 478W-474 Bearing’s durability stands out, handling both radial and thrust loads with ease. Its standard radial clearance options provide flexibility for various operational needs.

Built for Heavy-Duty Use: 478W-474 Bearing
In mining equipment, 478W-474 Bearing’s steel cage and high dynamic load rating make it reliable for continuous operation. The ABEC-1 rating ensures consistent performance without overcomplicating precision requirements.

Q&A

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