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TS (Single Row Tapered Roller Bearings) (Imperial) LM120749-LM120710

TS (Single Row Tapered Roller Bearings) (Imperial) LM120749-LM120710

The LM120749-LM120710 is a single-row tapered roller bearing with a 4″ bore and 5.75″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 38700 lbf radially and 4620 lbf thrust, making it versatile for various applications.

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, offering a reliable replacement option. Ideal for industrial machinery or automotive systems where combined loads are common.

Weighing 3.7 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number LM120749-LM120710
  • Brand TFL
  • Interchangeable Timken
  • Size 4" x 5.75" x 1.25"
  • Bore Dia 4"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 5.75"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.25"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.125"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.25"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.09"
  • Cup Backface ToClear Radius 0.090"
  • Cone Frontface Backing Diameter 4.94"
  • Cone Backface Backing Diameter 4.41"
  • Cup Frontface Backing Diameter 5.55"
  • Cup Backface Backing Diameter 5.31"
  • Cage Cone Frontface Clearance 0.06"
  • Cage Cone Backface Clearance 0.05"
  • Effective Center Location -0.23"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number LM120749
  • Cup Part Number LM120710
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series LM120700
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 38700 lbf
  • Static Radial Load 65700 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 10000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 4620 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 3.7 lb

Features

Performance Features of LM120749-LM120710 Bearing

LM120749-LM120710 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 38,700 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 LM120749-LM120710 Bearing Engineered for Reliability?

LM120749-LM120710 Bearing features precise tolerances, with bore and outer diameter tolerances within +0.001″ to 0.
The tapered roller design efficiently handles both radial and thrust loads, making it versatile.
Its chrome steel construction enhances durability, even under high-stress conditions.
The standard radial clearance ensures smooth operation across different applications.

Designed for Durability: LM120749-LM120710 Bearing

LM120749-LM120710 Bearing’s single-row construction provides stability and load-bearing capacity.
The chrome steel rollers and rings resist wear, ensuring long service life.
With a static radial load of 65,700 lbf, it excels in demanding industrial settings.
Its open design allows for easy lubrication, maintaining optimal performance.

Application

Industrial Uses of LM120749-LM120710 Bearing
LM120749-LM120710 Bearing is commonly used in heavy machinery like construction equipment and agricultural vehicles, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, LM120749-LM120710 Bearing supports wheel hubs and drivetrain components, providing reliable performance under varying loads. Its inch sizing makes it a practical choice for North American vehicle models.

For industrial conveyor systems, LM120749-LM120710 Bearing’s open design allows for easy lubrication, extending service life in high-use scenarios. The steel cage adds stability during continuous operation.

Where Is LM120749-LM120710 Bearing Used?
LM120749-LM120710 Bearing fits well in mining equipment, where its robust design withstands heavy radial and thrust loads. The standard radial clearance ensures smooth operation even under stress.

In power transmission systems, LM120749-LM120710 Bearing’s tapered rollers reduce friction, improving efficiency. Its compatibility with Timken models makes it a versatile replacement option.

Built for Heavy-Duty Use: LM120749-LM120710 Bearing
LM120749-LM120710 Bearing excels in forestry machinery, handling rough terrain and shock loads with ease. The chrome steel rollers enhance wear resistance for long-term reliability.

For rail and transportation applications, LM120749-LM120710 Bearing’s precise tolerances ensure consistent performance. Its ABEC-1 rating balances cost and performance for general industrial use.

Automotive vs Aerospace: Applications of LM120749-LM120710 Bearing
In automotive settings, LM120749-LM120710 Bearing is ideal for axle systems, offering durability and load capacity. The inch measurements align with standard repair parts.

For aerospace ground support equipment, LM120749-LM120710 Bearing provides reliable performance without the need for high-precision alternatives. Its temperature range suits most operational conditions.

Q&A

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