TS (Single Row Tapered Roller Bearings) (Imperial) 478-473

The 478-473 is a single-row tapered roller bearing with a 2.56″ bore and 4.72″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 32,200 lbf radially and 5,500 lbf in thrust, making it versatile for heavy-duty use.

Its open design requires regular lubrication but allows for easy maintenance. The steel cage ensures durability, while the standard radial clearance suits various applications. It operates smoothly in temperatures from -30°C to 110°C.

This bearing is interchangeable with Timken models, offering a reliable replacement option. Ideal for industrial machinery, gearboxes, or automotive systems where combined loads are common.

Weighing 3.3 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for diverse environments.

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Description

Features

Application

Q&A

Product Parameters

Part Number 478-473
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 1.1417"
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 473
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 3.3 lb

Features

Performance Features of 478-473 Bearing

478-473 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 32,200 lbf, ensuring reliable performance in various applications.

The tapered roller design of 478-473 Bearing provides smooth operation and efficient load distribution.
With a standard radial clearance, it adapts well to different operational conditions.

478-473 Bearing operates within a temperature range of -30° to 110°C, suitable for diverse environments.
The steel cage maintains roller alignment, reducing wear and extending service life.

Installation is straightforward with 478-473 Bearing, thanks to its standard cup design.
Regular lubrication ensures optimal performance and longevity.

Application

Industrial Uses of 478-473 Bearing
The 478-473 Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability in demanding environments.

Where Is 478-473 Bearing Used?
You’ll often find 478-473 Bearing in automotive applications like truck wheel hubs, where its robust design supports both radial and thrust loads. The inch sizing makes it a fit for many North American vehicles.

Built for Heavy-Duty Use: 478-473 Bearing
This bearing excels in industrial gearboxes, thanks to its steel cage and high dynamic load capacity. It’s also a reliable choice for mining equipment, where toughness is key.

Automotive vs Aerospace: Applications of 478-473 Bearing
In automotive systems, 478-473 Bearing handles wheel and transmission loads, while in aerospace, it’s suited for auxiliary equipment due to its precision and temperature tolerance.

Key Fields for 478-473 Bearing
The 478-473 Bearing is ideal for conveyor systems, where its tapered rollers manage heavy loads smoothly. Its open design simplifies lubrication, extending service life in dusty conditions.