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

The 478W-472X is a single-row tapered roller bearing with a 2.5591″ bore and 4.875″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 30500 lbf radially and 5200 lbf thrust, making it a sturdy choice for heavy-duty applications.

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

This model is interchangeable with Timken bearings, offering a practical replacement option. Ideal for use in industrial machinery or automotive systems where combined loads are common.

Weighing 3.400 lb, it’s built to last while meeting RoHS and REACH standards for safety and compliance.

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Description

Features

Application

Q&A

Product Parameters

Part Number 478W-472X
Brand TFL
Interchangeable Timken
Size 2.5591" x 4.875" x 1.1875"
Bore Dia 2.5591"
Bore Dia Tolerance +0.005" to 0
Outer Dia 4.875"
Outer Dia Tolerance +0.001" to 0
Cone Width 1.142"
Cone Width Tolerance +0.003" to -0.01
Cup Width 0.9687"
Cup Width Tolerance +0.002" to -0.01
Width 1.1875"
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 4.56"
Cup Backface Backing Diameter 4.29"
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 472X
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 3.400 lb

Features

Performance Features of 478W-472X Bearing

478W-472X 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 heavy-duty applications.

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 environmental conditions.

478W-472X Bearing’s standard radial clearance provides flexibility for different installation needs.
Its tapered roller design ensures smooth operation under both radial and thrust loads.

The open seal type allows for easy lubrication, maintaining optimal performance over time.
Weighing 3.400 lb, it balances durability with manageable size for industrial applications.

Application

Industrial Uses of 478W-472X Bearing
478W-472X Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in tough working conditions.

In automotive applications, 478W-472X Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a preferred choice for North American vehicle models.

For industrial conveyor systems, 478W-472X Bearing’s open design allows for easy lubrication, extending service life in high-load environments. The steel cage adds stability, reducing wear over time.

What Makes 478W-472X Bearing a Preferred Choice?
478W-472X Bearing stands out in applications like mining equipment, where its high dynamic radial load capacity ensures long-term reliability. The standard radial clearance offers flexibility for different operational needs.

In power transmission systems, 478W-472X Bearing’s tapered rollers distribute loads evenly, reducing friction and heat buildup. Its compatibility with Timken models makes replacements straightforward.

Built for Heavy-Duty Use: 478W-472X Bearing
478W-472X Bearing excels in industrial fans and pumps, where its robust design handles continuous operation without compromising performance. The ABEC-1 rating ensures consistent precision.

For railway applications, 478W-472X Bearing’s ability to withstand heavy thrust and radial loads makes it ideal for axle boxes. The chrome steel rollers provide excellent wear resistance.

Automotive vs Aerospace: Applications of 478W-472X Bearing
In automotive settings, 478W-472X Bearing is often found in truck transmissions, offering reliable load support. Its inch measurements align with standard US manufacturing specs.

For aerospace ground equipment, 478W-472X Bearing’s temperature tolerance makes it suitable for varied climates. The steel cage ensures stability during high-speed operations.