TS (Single Row Tapered Roller Bearings) (Imperial) 48393-48320

The 48393-48320 is a single-row tapered roller bearing with a 5.375″ bore and 7.5″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 63600 lbf and is designed for long-lasting performance.

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

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

Weighing 7.5 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it meets essential safety and environmental requirements.

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Description

Features

Application

Q&A

Product Parameters

Part Number 48393-48320
Brand TFL
Interchangeable Timken
Size 5.375" x 7.5" x 1.5625"
Bore Dia 5.375"
Bore Dia Tolerance +0.001" to 0
Outer Dia 7.5"
Outer Dia Tolerance +0.001" to 0
Cone Width 1.5625"
Cone Width Tolerance +0.003" to -0.01
Cup Width 1.3125"
Cup Width Tolerance +0.002" to -0.01
Width 1.5625"
Width Tolerance +0.014" to -0.01"
Cone Backface ToClear Radius 0.14"
Cup Backface ToClear Radius 0.130"
Cone Frontface Backing Diameter 6.65"
Cone Backface Backing Diameter 5.94"
Cup Frontface Backing Diameter 7.28"
Cup Backface Backing Diameter 6.97"
Cage Cone Frontface Clearance 0.08"
Cage Cone Backface Clearance 0.09"
Effective Center Location -0.16"
System of Measurement Inch
Type Bearing
Cone Part Number 48393
Cup Part Number 48320
Bearing Type Roller
Roller Bearing Type Tapered
For Load Direction Combined
Construction Single Row
Seal Type Open
Cups Type Standard
Series 48300
Ring Material Chrome Steel
Roller Material Chrome Steel
Cage Material Steel
Dynamic Radial Load 63600 lbf
Static Radial Load 122000 lbf
Dynamic Radial Rating(90 Million Revolutions)(C90) 16500 lbf
Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 9060 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 7.5 lb

Features

Performance Features of 48393-48320 Bearing

48393-48320 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 63,600 lbf, ensuring reliable performance in heavy-duty applications.
The steel cage maintains 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 48393-48320 Bearing Engineered for Reliability?

48393-48320 Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction enhances durability, while the standard radial clearance ensures smooth operation.
Its dynamic thrust rating of 9,060 lbf (Ca90) makes it suitable for demanding conditions.
The bearing requires lubrication, but its robust design minimises maintenance needs.

Built for Durability: 48393-48320 Bearing

48393-48320 Bearing’s chrome steel rollers and rings provide excellent wear resistance.
The tapered roller design efficiently manages both radial and thrust loads.
With a static radial load capacity of 122,000 lbf, it handles heavy applications with ease.
Its ABEC-1 rating ensures consistent performance in industrial settings.

Application

Industrial Uses of 48393-48320 Bearing
The 48393-48320 Bearing is commonly used in heavy machinery, such as construction equipment and mining rigs, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability even in tough working conditions.

In automotive applications, 48393-48320 Bearing fits well in truck wheel hubs and differential systems, providing reliable performance under high radial and thrust loads. The inch sizing makes it a preferred choice for North American vehicle manufacturers.

For industrial conveyor systems, 48393-48320 Bearing’s open design allows for easy lubrication, extending its service life in continuous operation. The steel cage adds extra strength, making it suitable for high-load scenarios.

Where Is 48393-48320 Bearing Used?
You’ll often find 48393-48320 Bearing in agricultural machinery, like tractors and harvesters, where its robust design withstands dusty and demanding environments. The standard radial clearance ensures smooth rotation under varying loads.

In power transmission systems, 48393-48320 Bearing supports gearboxes and driveshafts, offering stable performance at moderate speeds. Its compatibility with Timken models makes it a versatile replacement option.

Built for Heavy-Duty Use: 48393-48320 Bearing
The 48393-48320 Bearing excels in forestry equipment, such as log splitters and sawmills, thanks to its high static radial load capacity. The tapered rollers distribute stress evenly, reducing wear over time.

For railway applications, 48393-48320 Bearing is used in axle boxes, where its ABEC-1 rating ensures consistent performance. The inch measurements align with standard rail component specifications.

Automotive vs Aerospace: Applications of 48393-48320 Bearing
In automotive settings, 48393-48320 Bearing is ideal for heavy-duty trucks and buses, handling both radial and thrust loads efficiently. The chrome steel rollers provide long-lasting performance.

For aerospace ground equipment, 48393-48320 Bearing is used in loading platforms and maintenance tools, where its reliability is crucial. The temperature range suits various operational conditions.