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LM377449 Single Cones (Imperial)
LM377449 Single Cones (Imperial)

LM377449 Single Cones (Imperial)

The LM377449 is a single-row tapered roller bearing cone with a 22-inch bore, designed for combined loads. Made from durable chrome steel, it handles dynamic radial loads up to 578,000 lbf and static loads up to 1,430,000 lbf.

Its open design allows easy maintenance, while the steel cage ensures reliable performance. The bearing operates smoothly in temperatures from -30°C to 110°C, making it suitable for harsh environments.

This model is interchangeable with Timken bearings, offering a practical replacement option. Ideal for heavy-duty applications like industrial machinery or large vehicles where high load capacity is needed.

With standard radial clearance and ABEC-1 rating, it balances precision and durability. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number LM377449
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number LM377449-LM377410
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Series LM377400
  • Bore Dia 22"
  • Bore Dia Tolerance +0.001" to 0
  • Cone Width 4.125"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.25"
  • Cone Frontface Backing Diameter 23.03"
  • Cone Backface Backing Diameter 23.39"
  • Cage Cone Frontface Clearance 0.3"
  • Cage Cone Backface Clearance 0.27"
  • Effective Center Location 0.62"
  • Ring Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 578000 lbf
  • Static Radial Load 1430000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 150000 lbf
  • Dynamic Radial Rating(Two Row 1 Million Revolutions)(C1) 1010000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 88800 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 261000 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 LM377449 Bearing Engineered for Reliability?

LM377449 Bearing is crafted from chrome steel, offering high resistance to combined loads with a dynamic radial load capacity of 578,000 lbf.

Its tapered roller design ensures smooth operation and efficient load distribution, making it suitable for heavy-duty applications.

The steel cage maintains proper roller alignment, reducing wear and extending the bearing’s service life.

With a temperature range of -30° to 110°C, LM377449 Bearing performs reliably in various environmental conditions.

Application

Industrial Uses of LM377449 Bearing
LM377449 Bearing is commonly used in heavy machinery, such as mining equipment and construction vehicles, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in demanding environments.

Where Is LM377449 Bearing Used?
You’ll find LM377449 Bearing in large-scale industrial applications, like conveyor systems and rolling mills, thanks to its high dynamic radial load capacity. Its inch sizing makes it a fit for machinery following imperial standards.

Built for Heavy-Duty Use: LM377449 Bearing
LM377449 Bearing excels in applications like agricultural machinery, where its steel cage and robust design withstand constant wear. The open seal type allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of LM377449 Bearing
In automotive settings, LM377449 Bearing supports heavy axles and drivetrains, while in aerospace, its precision fits landing gear systems. The ABEC-1 rating ensures reliable performance across both sectors.

Key Fields for LM377449 Bearing
LM377449 Bearing is ideal for railway systems, where its tapered rollers manage high radial and thrust loads. The standard radial clearance option provides flexibility for various operational needs.

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