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TS (Single Row Tapered Roller Bearings) (Imperial) LM446349-LM446310

TS (Single Row Tapered Roller Bearings) (Imperial) LM446349-LM446310

The LM446349-LM446310 is a single-row tapered roller bearing with a 9.25″ bore and 12.25″ outer diameter, crafted from durable chrome steel. It handles combined loads, with a dynamic radial load capacity of 99200 lbf and a static radial load of 208000 lbf.

Its open design allows for easy lubrication, 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.

Weighing 19.20 lb, it’s robust and built to last. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number LM446349-LM446310
  • Brand TFL
  • Interchangeable Timken
  • Size 9.25" x 12.25" x 1.8125"
  • Bore Dia 9.25"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 12.25"
  • Outer Dia Tolerance +0.002" to 0
  • Cone Width 1.8125"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.3125"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.8125"
  • Width Tolerance +0.014" to -0.01"
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 10.83"
  • Cone Backface Backing Diameter 9.92"
  • Cup Frontface Backing Diameter 11.97"
  • Cup Backface Backing Diameter 11.57"
  • Cage Cone Frontface Clearance 0.1"
  • Cage Cone Backface Clearance 0.19"
  • Effective Center Location 0.26"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number LM446349
  • Cup Part Number LM446310
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series LM446300
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 99200 lbf
  • Static Radial Load 208000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 25700 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 15900 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 19.20 lb

Features

How Does LM446349-LM446310 Bearing Handle Combined Loads?

LM446349-LM446310 Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 99,200 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 environments.

What Ensures Smooth Operation in LM446349-LM446310 Bearing?

LM446349-LM446310 Bearing features precise tapered roller design, ensuring smooth rotation under combined loads.
The chrome steel construction provides durability, while the steel cage maintains roller positioning.
Its effective center location of 0.26″ enhances stability during operation.
Regular lubrication helps maintain performance and prolongs service life.

Designed for Durability: LM446349-LM446310 Bearing

LM446349-LM446310 Bearing’s chrome steel components resist wear, even under high radial and thrust loads.
The standard radial clearance option ensures compatibility with various applications.
With a static radial load capacity of 208,000 lbf, it handles demanding conditions with ease.
Its ABEC-1 rating guarantees consistent precision in performance.

Steel vs Ceramic Bearings: Strengths of LM446349-LM446310 Bearing

LM446349-LM446310 Bearing uses chrome steel for both rings and rollers, providing excellent strength and durability.
The steel cage ensures reliable roller alignment, reducing maintenance needs.
Its dynamic thrust rating of 15,900 lbf makes it versatile for various load conditions.
The bearing’s standard lubrication requirement ensures smooth operation over time.

Application

Industrial Uses of LM446349-LM446310 Bearing
LM446349-LM446310 Bearing is commonly used in heavy machinery like construction equipment and mining tools, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in tough working conditions.

In automotive applications, LM446349-LM446310 Bearing supports large vehicle components such as truck axles and differential systems. Its inch sizing makes it a reliable choice for American-made vehicles requiring precise load distribution.

For industrial conveyor systems, LM446349-LM446310 Bearing’s open design allows easy lubrication, reducing downtime in high-load operations. The standard radial clearance offers flexibility for various operational needs.

Where Is LM446349-LM446310 Bearing Used?
You’ll often find LM446349-LM446310 Bearing in agricultural machinery, where its robust design handles the stresses of tillers and harvesters. The steel cage adds extra strength for long-term use.

In railway applications, LM446349-LM446310 Bearing provides stability for freight car axles, ensuring smooth movement under heavy loads. Its ABEC-1 rating balances performance and cost-effectiveness for large-scale transport needs.

Built for Heavy-Duty Use: LM446349-LM446310 Bearing
LM446349-LM446310 Bearing excels in oil and gas equipment, where its tapered rollers manage radial and thrust loads in drilling rigs. The temperature range suits both hot and cold environments.

For wind turbine gearboxes, LM446349-LM446310 Bearing’s dynamic load capacity ensures reliable power transmission. The inch measurements align with many North American turbine designs.

Automotive vs Aerospace: Applications of LM446349-LM446310 Bearing
In automotive settings, LM446349-LM446310 Bearing is ideal for heavy-duty trucks, offering durability for long hauls. Its static radial load capacity handles sudden weight shifts.

For aerospace ground support equipment, LM446349-LM446310 Bearing provides precision in loading systems. The chrome steel rollers resist wear during frequent use.

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