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

The 478W-473 is a single-row tapered roller bearing with a 2.5591″ bore and 4.7244″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 30500 lbf radially and 5200 lbf thrust, suitable for demanding 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, making it versatile for various conditions.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for heavy-duty machinery or automotive systems where combined loads are common.

Weighing 3.2 lb, it balances strength and manageability. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Description

Features

Application

Q&A

Product Parameters

Part Number 478W-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 478W
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 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 3.2 lb

Features

Performance Features of 478W-473 Bearing

478W-473 Bearing is constructed with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 30,500 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, enhancing durability and reducing friction.
With a temperature range of -30° to 110°C, it performs reliably in various operating conditions.

How Is 478W-473 Bearing Engineered for Reliability?

478W-473 Bearing features a tapered roller design, optimised for handling both radial and thrust loads.
The chrome steel construction resists wear, ensuring a longer service life even under stress.
Its standard radial clearance allows for smooth operation, reducing maintenance needs.
The bearing’s effective centre location enhances stability during use.

Built for Durability: 478W-473 Bearing

478W-473 Bearing’s single-row construction provides strength and reliability in demanding environments.
The open seal design allows for easy lubrication, maintaining optimal performance.
With a static radial load capacity of 41,900 lbf, it handles heavy loads with ease.
The ABEC-1 rating ensures consistent precision in various applications.

Steel vs Ceramic Bearings: Strengths of 478W-473 Bearing

478W-473 Bearing uses chrome steel for both rings and rollers, offering excellent strength and durability.
This material choice ensures resistance to wear and tear, even under high loads.
The bearing’s tapered roller design distributes loads evenly, reducing stress concentrations.
Its compatibility with standard lubrication methods simplifies maintenance.

Application

Industrial Uses of 478W-473 Bearing
The 478W-473 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 in tough working conditions.

Where Is 478W-473 Bearing Used?
You’ll often find 478W-473 Bearing in automotive applications, particularly in wheel hubs and differential systems. Its precise inch measurements make it a reliable choice for older or custom vehicle designs.

Built for Heavy-Duty Use: 478W-473 Bearing
This bearing excels in industrial fans and pumps, thanks to its robust steel cage and high dynamic load capacity. The open design allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 478W-473 Bearing
In automotive settings, 478W-473 Bearing supports drivetrain components, while its aerospace uses are limited due to weight constraints. Its ABEC-1 rating suits general machinery well.

Key Fields for 478W-473 Bearing
The 478W-473 Bearing is ideal for conveyor systems and mining equipment, where its standard radial clearance accommodates varying loads. Its temperature range also suits most industrial environments.