TS (Single Row Tapered Roller Bearings) (Imperial) 938-930

The 938-930 is a single-row tapered roller bearing with a 4.5″ bore and 8.125″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 129,000 lbf radially and 18,600 lbf thrust, making it robust for heavy-duty use.

Its open design allows for 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, offering a reliable replacement option. Ideal for industrial machinery or automotive applications where high radial and thrust loads are common.

Weighing 19.8 lb, it’s built to last while maintaining performance. Compliant with RoHS and REACH standards for safe and sustainable use.

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Description

Features

Application

Q&A

Product Parameters

Part Number 938-930
Brand TFL
Interchangeable Timken
Size 4.5" x 8.125" x 2.625"
Bore Dia 4.5"
Bore Dia Tolerance +0.001" to 0
Outer Dia 8.125"
Outer Dia Tolerance +0.001" to 0
Cone Width 2.625"
Cone Width Tolerance +0.003" to -0.01
Cup Width 2.125"
Cup Width Tolerance +0.002" to -0.01
Width 2.625"
Width Tolerance +0.014" to -0.01"
Cone Backface ToClear Radius 0.280"
Cup Backface ToClear Radius 0.130"
Cone Frontface Backing Diameter 6.02"
Cone Backface Backing Diameter 5.55"
Cup Frontface Backing Diameter 7.61"
Cup Backface Backing Diameter 7.24"
Cage Cone Frontface Clearance 0.09"
Cage Cone Backface Clearance 0.23"
Effective Center Location -0.78"
System of Measurement Inch
Type Bearing
Cone Part Number 938
Cup Part Number 930
Bearing Type Roller
Roller Bearing Type Tapered
For Load Direction Combined
Construction Single Row
Seal Type Open
Cups Type Standard
Series 935
Ring Material Chrome Steel
Roller Material Chrome Steel
Cage Material Steel
Dynamic Radial Load 129000 lbf
Static Radial Load 177000 lbf
Dynamic Radial Rating(90 Million Revolutions)(C90) 33300 lbf
Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 18600 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 19.8 lb

Features

Performance Features of 938-930 Bearing

938-930 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 129,000 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 environmental conditions.

How Is 938-930 Bearing Engineered for Reliability?

938-930 Bearing’s single-row tapered roller design provides excellent load distribution and stability.
The chrome steel construction enhances durability, while the open seal type allows for easy lubrication.
Its dynamic thrust rating of 18,600 lbf ensures consistent performance under demanding conditions.
The standard radial clearance offers flexibility for different application needs.

Designed for Durability: 938-930 Bearing

938-930 Bearing features precise cone and cup dimensions, ensuring smooth operation and easy installation.
The steel cage reduces wear by keeping the rollers properly spaced during rotation.
With a static radial load capacity of 177,000 lbf, it handles heavy loads with ease.
Its ABEC-1 rating confirms consistent quality and performance in industrial applications.

Steel vs Ceramic Bearings: Strengths of 938-930 Bearing

938-930 Bearing’s chrome steel rollers provide superior strength and wear resistance compared to ceramic alternatives.
The tapered roller design efficiently manages both radial and thrust loads in a single row.
Its effective centre location of -0.78″ ensures proper alignment in various mounting configurations.
Weighing 19.8 lb, it offers a robust solution without compromising on performance.

Application

Industrial Uses of 938-930 Bearing
The 938-930 Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability even in demanding environments.

Where Is 938-930 Bearing Used?
You’ll often find 938-930 Bearing in agricultural machinery, supporting components like gearboxes and axles. Its inch sizing makes it a reliable choice for North American equipment standards.

Built for Heavy-Duty Use: 938-930 Bearing
In mining applications, 938-930 Bearing excels under high radial and thrust loads, thanks to its robust single-row design. The open seal type allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 938-930 Bearing
In automotive systems, 938-930 Bearing supports wheel hubs and differentials, while in aerospace, it’s used in landing gear assemblies. Its ABEC-1 rating ensures consistent performance across both sectors.

Essential Roles of 938-930 Bearing
For industrial fans and pumps, 938-930 Bearing provides reliable rotation under varying loads. The standard radial clearance option makes it versatile for different operational needs.