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LM739749 Single Cones (Imperial)

LM739749 Single Cones (Imperial)

The LM739749 is a single-row tapered roller bearing cone with a 7.75-inch bore, designed for combined loads. Made from durable chrome steel, it handles dynamic radial loads up to 71,600 lbf and static loads up to 161,000 lbf.

Its open design allows easy maintenance, while the steel cage ensures reliable performance. The cone has a standard radial clearance, with options for C3, C4, or C5 clearances if needed.

This model is interchangeable with Timken bearings, making it a practical choice for replacements. It works well in temperatures from -30°C to 110°C, suitable for heavy-duty applications like industrial machinery or vehicle axles.

With an ABEC-1 rating, it offers good precision for general use. Compliant with RoHS and REACH standards, it’s a safe and dependable option for various settings.

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Product Parameters

  • Part Number LM739749
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number LM739749-LM739710 , LM739749-LM739719
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Series LM739700
  • Bore Dia 7.75"
  • Bore Dia Tolerance +0.001" to 0
  • Cone Width 1.5625"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.14"
  • Cone Frontface Backing Diameter 8.11"
  • Cone Backface Backing Diameter 8.39"
  • Cage Cone Frontface Clearance 0.12"
  • Cage Cone Backface Clearance 0.12"
  • Effective Center Location 0.45"
  • Ring 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 Radial Rating(Two Row 1 Million Revolutions)(C1) 125000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 14200 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 32300 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 LM739749 Bearing

LM739749 Bearing is crafted from chrome steel, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 71,600 lbf, ensuring reliable performance in heavy-duty applications.

The steel cage maintains roller alignment, reducing friction and extending service life.
With a temperature range of -30° to 110°C, it performs well in various operating conditions.

LM739749 Bearing’s standard radial clearance options provide flexibility for different applications.
Its tapered roller design ensures smooth operation under both radial and thrust loads.

Application

Industrial Uses of LM739749 Bearing
LM739749 Bearing is commonly used in heavy machinery, such as mining equipment and construction vehicles, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability in demanding environments.

Where Is LM739749 Bearing Used?
You’ll often find LM739749 Bearing in agricultural machinery, supporting axles and gearboxes that require reliable performance under heavy loads. Its inch sizing makes it a fit for older or imperial-based systems.

Built for Heavy-Duty Use: LM739749 Bearing
LM739749 Bearing excels in industrial fans and pumps, where its open design allows for easy lubrication and maintenance. The steel cage adds stability, making it suitable for high-speed applications.

Automotive vs Aerospace: Applications of LM739749 Bearing
In automotive settings, LM739749 Bearing is used in truck wheel hubs, providing robust support for radial and thrust loads. For aerospace, its precision fits landing gear systems where reliability is key.

Key Fields for LM739749 Bearing
LM739749 Bearing is ideal for railway applications, such as freight car axles, due to its high dynamic load capacity. The standard radial clearance offers flexibility for various operational conditions.

Q&A

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