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

The 478-472A 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 thrust, making it versatile for various applications.

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

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 3.1 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for industrial use.

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Description

Features

Application

Q&A

Product Parameters

Part Number 478-472A
Brand TFL
Interchangeable Timken
Size 2.5591" x 4.7244" x 1.1418"
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 0.923"
Cup Width Tolerance +0.002" to -0.01
Width 1.1418"
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 4.53"
Cup Backface Backing Diameter 4.17"
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 472A
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 3.1 lb

Features

Why Choose 478-472A Bearing for Precision Tasks?

478-472A Bearing features a single row tapered roller design, ideal for handling combined radial and thrust loads.

Its chrome steel construction ensures durability, with a dynamic radial load capacity of 32,200 lbf.

The standard radial clearance allows for smooth operation, suitable for various industrial applications.

With an ABEC-1 rating, it balances precision and performance in demanding environments.

Application

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

Where Is 478-472A Bearing Used?
In automotive applications, 478-472A Bearing fits well in wheel hubs and differential systems, providing reliable performance under radial and thrust loads. The inch sizing makes it compatible with many North American vehicle models.

Built for Heavy-Duty Use: 478-472A Bearing
This bearing excels in industrial fans and pumps, where its open design allows for easy lubrication and maintenance. The steel cage adds strength, making it suitable for high-load scenarios.

Automotive vs Aerospace: Applications of 478-472A Bearing
While 478-472A Bearing is popular in truck axles and off-road vehicles, its precision also suits aerospace landing gear components. The ABEC-1 rating ensures consistent performance across different industries.

Perfect Fit for Automation: 478-472A Bearing
In conveyor systems and robotic arms, 478-472A Bearing offers smooth operation thanks to its tapered rollers. The standard radial clearance provides flexibility for various automation needs.