TS (Single Row Tapered Roller Bearings) (Imperial) 749V-742V

The 749V-742V is a single-row tapered roller bearing with a 3.3475″ bore and 5.909″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 84700 lbf radial and 12200 lbf thrust, making it a robust choice for heavy-duty applications.

Its open design allows for easy lubrication, while the steel cage ensures durability under high 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 use in industrial machinery, gearboxes, or automotive systems where combined loads are common.

Weighing 7.100 lb, it’s built to last while meeting RoHS and REACH standards for safe use. The ABEC-1 rating ensures consistent performance in demanding conditions.

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Description

Features

Application

Q&A

Product Parameters

Part Number 749V-742V
Brand TFL
Interchangeable Timken
Size 3.3475" x 5.909" x 1.7502"
Bore Dia 3.3475"
Bore Dia Tolerance +0.001" to 0
Outer Dia 5.909"
Outer Dia Tolerance +0.001" to 0
Cone Width 1.8375"
Cone Width Tolerance +0.003" to -0.01
Cup Width 1.4375"
Cup Width Tolerance +0.002" to -0.01
Width 1.7502"
Width Tolerance +0.008" to 0
Cone Backface ToClear Radius 0.14"
Cup Backface ToClear Radius 0.130"
Cone Frontface Backing Diameter 3.57"
Cone Backface Backing Diameter 3.19"
Cup Frontface Backing Diameter 5.63"
Cup Backface Backing Diameter 5.28"
Cage Cone Frontface Clearance 0.08"
Cage Cone Backface Clearance 0.05"
Effective Center Location -0.47"
System of Measurement Inch
Type Bearing
Cone Part Number 749V
Cup Part Number 742V
Bearing Type Roller
Roller Bearing Type Tapered
For Load Direction Combined
Construction Single Row
Seal Type Open
Cups Type Standard
Series 745
Ring Material Chrome Steel
Roller Material Chrome Steel
Cage Material Steel
Dynamic Radial Load 84700 lbf
Static Radial Load 93800 lbf
Dynamic Radial Rating(90 Million Revolutions)(C90) 21900 lbf
Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 12200 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 7.100 lb

Features

Core Advantages of 749V-742V Bearing

749V-742V Bearing features chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 84,700 lbf, ensuring reliable performance in heavy-duty applications.
The steel cage maintains proper 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 749V-742V Bearing Engineered for Reliability?

749V-742V Bearing’s tapered roller design efficiently handles both radial and thrust loads.
The precise cone and cup width tolerances ensure smooth operation and easy installation.
Its standard radial clearance options provide flexibility for different application requirements.
The bearing’s robust construction makes it suitable for demanding industrial environments.

Built for Durability: 749V-742V Bearing

749V-742V Bearing’s chrome steel components resist wear, maintaining performance over time.
With a static radial load capacity of 93,800 lbf, it withstands heavy loads without deformation.
The open design allows for easy lubrication, reducing maintenance needs.
Its ABEC-1 rating ensures consistent quality for various industrial applications.

Application

Industrial Uses of 749V-742V Bearing
The 749V-742V Bearing is commonly used in heavy machinery like construction equipment and mining tools, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability even in demanding environments.

In automotive applications, 749V-742V Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. The inch sizing makes it compatible with many North American vehicle models.

For industrial conveyors, 749V-742V Bearing’s open design allows easy lubrication, extending service life in high-load scenarios. The steel cage adds stability, making it a dependable choice for continuous operation.

Where Is 749V-742V Bearing Used?
You’ll often find 749V-742V Bearing in agricultural machinery, such as tractors and harvesters, where its robust design handles rough terrain. The standard radial clearance ensures smooth operation under heavy loads.

In manufacturing plants, 749V-742V Bearing supports gearboxes and pulley systems, thanks to its high dynamic radial load capacity. The ABEC-1 rating balances precision and cost-effectiveness for industrial use.

Built for Heavy-Duty Use: 749V-742V Bearing
The 749V-742V Bearing excels in forestry equipment like log splitters, where its tapered rollers manage intense radial and thrust loads. Its temperature range suits both cold and moderate climates.

For railway applications, 749V-742V Bearing’s durability makes it ideal for axle boxes, ensuring long-term reliability. The steel cage and chrome steel rollers resist wear, even under constant vibration.

Automotive vs Aerospace: Applications of 749V-742V Bearing
In automotive systems, 749V-742V Bearing is trusted for drivetrain components, offering a balance of strength and precision. Its inch measurements align with imperial-standard machinery.

For aerospace ground equipment, 749V-742V Bearing supports heavy-load trolleys and maintenance tools. While not for in-flight use, its reliability is valued in ground operations.