TS (Single Row Tapered Roller Bearings) (Imperial) LM739749WE-LM739719

The LM739749WE-LM739719 is a single-row tapered roller bearing with a 7.75″ bore and 10.5″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 71600 lbf and is designed for long-lasting performance.

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

This model is interchangeable with Timken bearings, making it a practical choice for replacements. Ideal for industrial machinery or heavy equipment where combined loads are common.

Weighing 13.9 lb, it’s built to withstand demanding conditions while complying with RoHS and REACH standards. The standard radial clearance offers flexibility for various applications.

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Description

Features

Application

Q&A

Product Parameters

Part Number LM739749WE-LM739719
Brand TFL
Interchangeable Timken
Size 7.75" x 10.5" x 1.5626"
Bore Dia 7.75"
Bore Dia Tolerance +0.001" to 0
Outer Dia 10.5"
Outer Dia Tolerance +0.001" to 0
Cone Width 1.6938"
Cone Width Tolerance +0.003" to -0.01
Cup Width 1.1875"
Cup Width Tolerance +0.002" to -0.01
Width 1.5626"
Width Tolerance +0.014" to -0.01"
Cone Backface ToClear Radius 0.14"
Cup Backface ToClear Radius 0.130"
Cone Frontface Backing Diameter 9.06"
Cone Backface Backing Diameter 8.39"
Cup Frontface Backing Diameter 9.93"
Cup Backface Backing Diameter 9.57"
Cage Cone Frontface Clearance -0.01"
Cage Cone Backface Clearance 0.12"
Effective Center Location 0.45"
System of Measurement Inch
Type Bearing
Cone Part Number LM739749WE
Cup Part Number LM739719
Bearing Type Roller
Roller Bearing Type Tapered
For Load Direction Combined
Construction Single Row
Seal Type Open
Cups Type Standard
Series LM739700
Ring Material Chrome Steel
Roller Material Chrome Steel
Cage Material Steel
Dynamic Radial Load 71600 lbf
Static Radial Load 161000 lbf
Dynamic Radial Rating(90 Million Revolutions)(C90) 18600 lbf
Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 14200 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 13.900 lb

Features

Performance Features of LM739749WE-LM739719 Bearing

LM739749WE-LM739719 Bearing is built with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 71,600 lbf, making it suitable for heavy-duty applications.
The tapered roller design ensures effective load distribution, enhancing durability and reducing wear.
With a temperature range of -30° to 110°C, it performs reliably in various operating conditions.

How Is LM739749WE-LM739719 Bearing Engineered for Reliability?

LM739749WE-LM739719 Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction provides excellent resistance to wear, ensuring a long service life.
Its standard radial clearance allows for smooth operation, even under high radial and thrust loads.
With an ABEC-1 rating, it balances precision and reliability for industrial applications.

Designed for Durability: LM739749WE-LM739719 Bearing

LM739749WE-LM739719 Bearing’s steel cage maintains roller alignment, reducing friction and extending lifespan.
The bearing’s static radial load capacity of 161,000 lbf ensures stability in demanding environments.
Its effective centre location of 0.45″ enhances load distribution, improving overall performance.
The open seal design simplifies maintenance, while the chrome steel components resist corrosion.

Application

Industrial Uses of LM739749WE-LM739719 Bearing
LM739749WE-LM739719 Bearing is commonly used in heavy machinery like construction equipment and mining rigs, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

Where Is LM739749WE-LM739719 Bearing Used?
You’ll often find LM739749WE-LM739719 Bearing in agricultural machinery, such as tractors and harvesters, where its robust design supports high radial and thrust loads. The inch sizing makes it a good fit for older equipment still using imperial measurements.

Built for Heavy-Duty Use: LM739749WE-LM739719 Bearing
LM739749WE-LM739719 Bearing excels in industrial gearboxes, providing reliable performance under constant stress. Its open design allows for easy lubrication, extending service life in high-temperature conditions.

Automotive vs Aerospace: Applications of LM739749WE-LM739719 Bearing
In automotive applications, LM739749WE-LM739719 Bearing is used in truck wheel hubs, offering stability under heavy loads. For aerospace, its precision makes it suitable for auxiliary systems requiring consistent performance.

Key Fields for LM739749WE-LM739719 Bearing
LM739749WE-LM739719 Bearing is a go-to choice for railway applications, particularly in axle boxes where combined loads are common. The steel cage adds extra strength, making it reliable for long-distance travel.