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LM121349 Single Cones (Imperial)

LM121349 Single Cones (Imperial)

The LM121349 is a single-row tapered roller bearing cone with a 4.2116-inch bore, designed for combined loads. Made from durable chrome steel, it handles dynamic radial loads up to 38,400 lbf and static loads up to 64,100 lbf.

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

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

Compliant with RoHS and REACH standards, it offers a balance of strength and durability. The standard radial clearance ensures straightforward installation and reliable operation.

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    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number LM121349
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number LM121349-LM121310
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Bore Dia 4.2116"
  • Bore Dia Tolerance +0.001" to 0
  • Cone Width 1.1024"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.09"
  • Cone Frontface Backing Diameter 4.41"
  • Cone Backface Backing Diameter 4.57"
  • Cage Cone Frontface Clearance 0.12"
  • Cage Cone Backface Clearance 0"
  • Effective Center Location -0.15"
  • Ring Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 38400 lbf
  • Static Radial Load 64100 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 9960 lbf
  • Dynamic Radial Rating(Two Row 1 Million Revolutions)(C1) 66900 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 4590 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 17300 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 LM121349 Bearing Engineered for Reliability?

LM121349 Bearing features a single-row tapered roller design, ideal for handling combined loads with ease.
Its chrome steel construction ensures durability, even under dynamic radial loads up to 38,400 lbf.

The steel cage maintains proper roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various environments.

LM121349 Bearing’s standard radial clearance offers flexibility for different applications.
Its ABEC-1 rating balances precision and cost-effectiveness for industrial use.

Application

Industrial Uses of LM121349 Bearing
LM121349 Bearing is commonly used in heavy machinery, such as construction equipment and mining tools, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability in demanding environments.

Where Is LM121349 Bearing Used?
You’ll find LM121349 Bearing in automotive applications like truck wheel hubs, where its high dynamic radial load capacity supports long-term performance. Its inch sizing makes it a fit for many North American vehicle models.

Built for Heavy-Duty Use: LM121349 Bearing
LM121349 Bearing excels in industrial gearboxes, providing reliable performance under both radial and thrust loads. The steel cage adds strength, making it suitable for high-stress operations.

Automotive vs Aerospace: Applications of LM121349 Bearing
In automotive settings, LM121349 Bearing is ideal for axles and transmissions, while in aerospace, its precision meets the needs of landing gear systems. The ABEC-1 rating ensures consistent quality.

Perfect Fit for Automation: LM121349 Bearing
LM121349 Bearing works well in automated conveyor systems, where its tapered rollers reduce friction and improve efficiency. The standard radial clearance offers flexibility for various operational needs.

Q&A

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