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LM125748 Single Cones (Imperial)
LM125748 Single Cones (Imperial)

LM125748 Single Cones (Imperial)

The LM125748 is a single-row tapered roller bearing cone with a 5-inch bore, designed for combined loads. Made from durable chrome steel, it handles dynamic radial loads up to 49500 lbf and static loads up to 92900 lbf.
Its open design allows easy maintenance, while the steel cage ensures reliable performance. The cone width is 1.4375 inches, with precise tolerances for smooth operation.
This model is interchangeable with Timken bearings, making it a practical choice for replacements. Suitable for heavy-duty applications like industrial machinery or vehicle axles where combined loads are common.
It operates well in temperatures from -30°C to 110°C and complies with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number LM125748
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number LM125748-LM125711
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Bore Dia 5"
  • Bore Dia Tolerance +0.001" to 0
  • Cone Width 1.4375"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.13"
  • Cone Frontface Backing Diameter 5.31"
  • Cone Backface Backing Diameter 5.51"
  • Cage Cone Frontface Clearance 0.05"
  • Cage Cone Backface Clearance 0.06"
  • Effective Center Location -0.17"
  • Ring Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 49500 lbf
  • Static Radial Load 92900 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 12800 lbf
  • Dynamic Radial Rating(Two Row 1 Million Revolutions)(C1) 86200 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 6750 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 22300 lbf
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant

Features

How Is LM125748 Bearing Engineered for Reliability?

LM125748 Bearing is crafted from chrome steel, offering robust resistance to combined loads with a dynamic radial load capacity of 49,500 lbf.

Its tapered roller design ensures smooth operation, even under heavy stress, while the steel cage maintains alignment for reduced wear.

The bearing operates efficiently within a temperature range of -30° to 110°C, making it suitable for various industrial conditions.

With standard radial clearance and ABEC-1 rating, LM125748 Bearing balances precision and durability.

Application

Industrial Uses of LM125748 Bearing
LM125748 Bearing is commonly used in heavy machinery like construction equipment and mining tools, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability in tough working conditions.

Where Is LM125748 Bearing Used?
You’ll often find LM125748 Bearing in agricultural machinery, supporting components like axles and gearboxes. Its inch sizing makes it a good fit for older or imperial-based systems.

Built for Heavy-Duty Use: LM125748 Bearing
LM125748 Bearing works well in industrial fans and pumps, thanks to its ability to manage both radial and thrust loads. The open seal design allows for easy lubrication in dusty environments.

Automotive vs Aerospace: Applications of LM125748 Bearing
In automotive settings, LM125748 Bearing supports wheel hubs and drivetrains, while in aerospace, it’s used in landing gear systems. Its high dynamic load rating ensures reliability in both fields.

Key Fields for LM125748 Bearing
LM125748 Bearing is ideal for railway applications, particularly in freight car axles where strength and longevity are key. The steel cage adds extra resilience under constant vibration.

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