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TS (Single Row Tapered Roller Bearings) (Imperial) LM121349-LM121310

TS (Single Row Tapered Roller Bearings) (Imperial) LM121349-LM121310

The LM121349-LM121310 is a single-row tapered roller bearing with a 4.2″ bore and 5.8″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 38400 lbf radially and 4590 lbf in thrust, making it suitable for heavy-duty applications.

Its open design allows for easy lubrication, while the steel cage ensures durability under high stress. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for use in industrial machinery or automotive systems where combined loads are common.

Weighing 2.9 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and sustainable use.

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Product Parameters

  • Part Number LM121349-LM121310
  • Brand TFL
  • Interchangeable Timken
  • Size 4.2116" x 5.7864" x 1.122"
  • Bore Dia 4.2116"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 5.7864"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.1024"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.9449"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.122"
  • Width Tolerance +0.014" to -0.01"
  • Cone Backface ToClear Radius 0.09"
  • Cup Backface ToClear Radius 0.090"
  • Cone Frontface Backing Diameter 5.12"
  • Cone Backface Backing Diameter 4.57"
  • Cup Frontface Backing Diameter 5.63"
  • Cup Backface Backing Diameter 5.43"
  • Cage Cone Frontface Clearance 0.12"
  • Cage Cone Backface Clearance 0"
  • Effective Center Location -0.15"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number LM121349
  • Cup Part Number LM121310
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series LM121300
  • Ring Material Chrome Steel
  • Roller 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 Thrust Rating(90 Million Revolutions)(Ca90) 4590 lbf
  • Lubrication Required
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant
  • Weight 2.9 lb

Features

Performance Features of LM121349-LM121310 Bearing

LM121349-LM121310 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 38,400 lbf, making it suitable for heavy-duty applications.

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

LM121349-LM121310 Bearing requires lubrication, ensuring smooth operation and reduced wear over time.
Its standard radial clearance options provide flexibility for different installation needs.

Application

Industrial Uses of LM121349-LM121310 Bearing
LM121349-LM121310 Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability in tough working conditions.

Where Is LM121349-LM121310 Bearing Used?
You’ll often find LM121349-LM121310 Bearing in automotive applications, particularly in wheel hubs and drivetrains. Its precise inch sizing makes it a reliable choice for vehicles requiring consistent performance.

Built for Heavy-Duty Use: LM121349-LM121310 Bearing
LM121349-LM121310 Bearing excels in industrial gearboxes, thanks to its high dynamic radial load capacity. The steel cage adds extra strength, making it suitable for long-term use.

Automotive vs Aerospace: Applications of LM121349-LM121310 Bearing
In automotive systems, LM121349-LM121310 Bearing supports wheel assemblies, while in aerospace, it’s used in auxiliary gearboxes. Its ABEC-1 rating ensures reliable performance in both fields.

Key Fields for LM121349-LM121310 Bearing
LM121349-LM121310 Bearing is ideal for agricultural machinery, where its tapered rollers manage heavy radial and thrust loads. The standard radial clearance allows for smooth operation in varying conditions.

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