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LM770949 Single Cones (Imperial)
LM770949 Single Cones (Imperial)

LM770949 Single Cones (Imperial)

The LM770949 is a single-row tapered roller bearing cone with an 18-inch bore, designed for combined loads. Made from durable chrome steel, it handles dynamic radial loads up to 335,000 lbf and static loads up to 773,000 lbf.

Its open design allows easy maintenance, while the steel cage ensures reliable performance. The cone width is 3.3125 inches, with precise tolerances for a secure fit.

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

It operates in temperatures from -30°C to 110°C and meets RoHS and REACH standards. The standard radial clearance can be adjusted to C3, C4, or C5 as needed.

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Product Parameters

  • Part Number LM770949
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number LM770949-LM770910
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Series LM770900
  • Bore Dia 18"
  • Bore Dia Tolerance +0.001" to 0
  • Cone Width 3.3125"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.25"
  • Cone Frontface Backing Diameter 18.86"
  • Cone Backface Backing Diameter 19.25"
  • Cage Cone Frontface Clearance 0.2"
  • Cage Cone Backface Clearance 0.48"
  • Effective Center Location 1.2"
  • Ring Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 335000 lbf
  • Static Radial Load 773000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 86800 lbf
  • Dynamic Radial Rating(Two Row 1 Million Revolutions)(C1) 583000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 67300 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 151000 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 LM770949 Bearing

LM770949 Bearing is built with chrome steel rings and a steel cage, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 335,000 lbf, making it suitable for heavy-duty applications.

The tapered roller design ensures smooth operation and efficient load distribution.
With an effective center location of 1.2″, it provides stability and precision in various setups.

LM770949 Bearing operates within a temperature range of -30° to 110°C, ensuring reliability in diverse conditions.
Its standard radial clearance options (C3/C4/C5) allow for flexibility based on specific needs.

The open seal type simplifies maintenance, while the ABEC-1 rating guarantees consistent performance.
This bearing is interchangeable with Timken models, offering versatility and ease of replacement.

Application

Industrial Uses of LM770949 Bearing
LM770949 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 tough working conditions.

What Makes LM770949 Bearing a Preferred Choice?
In automotive applications, LM770949 Bearing supports large axles and wheel hubs, providing reliable performance under high radial and thrust loads. Its inch sizing makes it compatible with many North American industrial standards.

Built for Heavy-Duty Use: LM770949 Bearing
For wind turbine systems, LM770949 Bearing’s robust design helps manage the stresses of rotational and axial forces. The steel cage adds stability, making it suitable for long-term use in renewable energy installations.

Automotive vs Aerospace: Applications of LM770949 Bearing
In automotive settings, LM770949 Bearing is ideal for truck wheel assemblies, while in aerospace, it can be found in landing gear mechanisms. Its high dynamic load capacity ensures performance in both fields.

Where Is LM770949 Bearing Used?
LM770949 Bearing is often seen in railway applications, particularly in freight car axles, where its ability to handle heavy loads is crucial. The standard radial clearance allows for smooth operation even under varying temperatures.

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