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TS (Single Row Tapered Roller Bearings) (Imperial) LM742749AA-LM742710

TS (Single Row Tapered Roller Bearings) (Imperial) LM742749AA-LM742710

The LM742749AA-LM742710 is a single-row tapered roller bearing with an 8.5″ bore and 11.25″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 96,600 lbf radially and 20,600 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 industrial machinery or automotive systems where combined loads are common.

Weighing 16.5 lb, it’s built to last and complies with RoHS and REACH standards for safe use. Its standard radial clearance ensures easy integration into existing setups.

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Product Parameters

  • Part Number LM742749AA-LM742710
  • Brand TFL
  • Interchangeable Timken
  • Size 8.5" x 11.25" x 1.8125"
  • Bore Dia 8.5"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 11.25"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.8125"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.375"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.8125"
  • Width Tolerance +0.014" to -0.01"
  • Cone Backface ToClear Radius 0.350"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 10.04"
  • Cone Backface Backing Diameter 9.57"
  • Cup Frontface Backing Diameter 11.02"
  • Cup Backface Backing Diameter 10.47"
  • Cage Cone Frontface Clearance 0.12"
  • Cage Cone Backface Clearance 0.18"
  • Effective Center Location 0.56"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number LM742749AA
  • Cup Part Number LM742710
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series LM742700
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 96600 lbf
  • Static Radial Load 200000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 25000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 20600 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 16.5 lb

Features

Performance Features of LM742749AA-LM742710 Bearing

LM742749AA-LM742710 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 96,600 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 LM742749AA-LM742710 Bearing Engineered for Reliability?

LM742749AA-LM742710 Bearing features precise tolerances, with bore and outer diameter tolerances of +0.001″ to 0.
The tapered roller design distributes loads evenly, enhancing durability and reducing wear.
Its static radial load capacity of 200,000 lbf makes it suitable for demanding industrial use.
The standard radial clearance ensures smooth operation under varying conditions.

Built for Durability: LM742749AA-LM742710 Bearing

LM742749AA-LM742710 Bearing’s chrome steel construction resists wear, even under high stress.
The single-row design simplifies installation while maintaining robust performance.
With an ABEC-1 rating, it balances precision and cost-effectiveness.
Its effective center location of 0.56″ ensures stable operation in combined load scenarios.

Steel vs Ceramic Bearings: Strengths of LM742749AA-LM742710 Bearing

LM742749AA-LM742710 Bearing uses chrome steel for both rings and rollers, providing excellent strength.
The steel cage offers reliable support, ensuring consistent performance under heavy loads.
Its dynamic thrust rating of 20,600 lbf makes it versatile for various applications.
The bearing requires lubrication, but its design ensures long service intervals.

Application

Industrial Uses of LM742749AA-LM742710 Bearing
LM742749AA-LM742710 Bearing is commonly used in heavy machinery, such as construction equipment and mining gear, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in demanding environments.

Where Is LM742749AA-LM742710 Bearing Used?
You’ll find LM742749AA-LM742710 Bearing in agricultural machinery, like tractors and harvesters, where its robust design supports high radial and thrust loads. The inch sizing makes it a fit for many North American industrial applications.

Built for Heavy-Duty Use: LM742749AA-LM742710 Bearing
LM742749AA-LM742710 Bearing excels in railway applications, particularly in axle boxes, where its single-row tapered rollers provide reliable performance. The steel cage adds extra strength for long-term use.

Automotive vs Aerospace: Applications of LM742749AA-LM742710 Bearing
In automotive systems, LM742749AA-LM742710 Bearing is often used in wheel hubs and differentials, thanks to its load-handling capabilities. For aerospace, it’s suited for ground support equipment where precision and durability matter.

Perfect Fit for Automation: LM742749AA-LM742710 Bearing
LM742749AA-LM742710 Bearing works well in automated conveyor systems, where its open design allows for easy lubrication. The standard radial clearance ensures smooth operation in repetitive tasks.

Q&A

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