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LM742748 Single Cones (Imperial)
LM742748 Single Cones (Imperial)

LM742748 Single Cones (Imperial)

The LM742748 is a single-row tapered roller bearing cone with an 8.5-inch bore, designed for combined loads. Made from durable chrome steel, it handles dynamic radial loads up to 85,100 lbf and static loads up to 181,000 lbf.

Its open design allows easy maintenance, while the steel cage ensures reliable performance. The cone has an effective center location of 0.56 inches, providing stable operation under heavy loads.

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

It operates in temperatures from -30°C to 110°C and meets RoHS and REACH standards. Available with standard radial clearance or optional C3/C4/C5 grades for specific needs.

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Product Parameters

  • Part Number LM742748
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number LM742748-LM742710 , LM742748-LM742714
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Series LM742700
  • Bore Dia 8.5"
  • Bore Dia Tolerance +0.001" to 0
  • Cone Width 1.8125"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.14"
  • Cone Frontface Backing Diameter 8.94"
  • Cone Backface Backing Diameter 9.17"
  • Cage Cone Frontface Clearance 0.13"
  • Cage Cone Backface Clearance 0.14"
  • Effective Center Location 0.56"
  • Ring Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 85100 lbf
  • Static Radial Load 181000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 22100 lbf
  • Dynamic Radial Rating(Two Row 1 Million Revolutions)(C1) 148000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 18200 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 38400 lbf
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant

Features

Performance Features of LM742748 Bearing

LM742748 Bearing is built with chrome steel rings, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 85,100 lbf, ensuring reliable performance in heavy-duty applications.

The tapered roller design of LM742748 Bearing provides smooth operation under varying load conditions.
With a static radial load capacity of 181,000 lbf, it excels in demanding industrial environments.

LM742748 Bearing operates efficiently within a temperature range of -30° to 110°C.
Its steel cage maintains roller alignment, reducing wear and extending service life.

The standard radial clearance of LM742748 Bearing ensures compatibility with various applications.
Its ABEC-1 rating guarantees consistent performance for precision tasks.

Application

Industrial Uses of LM742748 Bearing
LM742748 Bearing is commonly used in heavy machinery like mining equipment and construction vehicles, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability in tough working conditions.

Where Is LM742748 Bearing Used?
You’ll find LM742748 Bearing in industrial gearboxes and large conveyor systems, thanks to its high dynamic radial load capacity. Its inch sizing makes it a fit for machinery requiring imperial measurements.

Built for Heavy-Duty Use: LM742748 Bearing
LM742748 Bearing excels in agricultural machinery, supporting heavy axial and radial loads in tractors and harvesters. The open seal design allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of LM742748 Bearing
In automotive applications, LM742748 Bearing is used in truck wheel hubs, while in aerospace, it supports landing gear mechanisms. Its steel cage provides stability under varying temperatures.

Key Fields for LM742748 Bearing
LM742748 Bearing is ideal for railway applications, particularly in axle boxes where reliability is critical. The standard radial clearance ensures smooth operation even under continuous use.

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