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TS (Single Row Tapered Roller Bearings) (Imperial) LM665949A-LM665911

TS (Single Row Tapered Roller Bearings) (Imperial) LM665949A-LM665911

The LM665949A-LM665911 is a single-row tapered roller bearing with a 15.1875″ bore and 20.25″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 304,000 lbf radially and 56,500 lbf 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 industrial machinery or large equipment where robust performance is needed.

Weighing 95.20 lb, it’s designed for stability and long service life. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number LM665949A-LM665911
  • Brand TFL
  • Interchangeable Timken
  • Size 15.1875" x 20.25" x 3.2501"
  • Bore Dia 15.1875"
  • Bore Dia Tolerance +0.002" to 0
  • Outer Dia 20.25"
  • Outer Dia Tolerance +0.002" to 0
  • Cone Width 3.25"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 2.5"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 3.2501"
  • Width Tolerance +0.015" to -0.015"
  • Cone Backface ToClear Radius 0.590"
  • Cup Backface ToClear Radius 0.530"
  • Cone Frontface Backing Diameter 17.4"
  • Cone Backface Backing Diameter 17.05"
  • Cup Frontface Backing Diameter 19.51"
  • Cup Backface Backing Diameter 18.58"
  • Cage Cone Frontface Clearance 0.18"
  • Cage Cone Backface Clearance 0.33"
  • Effective Center Location 0.64"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number LM665949A
  • Cup Part Number LM665911
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series LM665900
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 304000 lbf
  • Static Radial Load 710000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 78900 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 56500 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 95.20 lb

Features

What Makes LM665949A-LM665911 Bearing Suitable for Heavy-Duty Applications?

LM665949A-LM665911 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 304,000 lbf, ensuring reliable performance in demanding industrial settings.

The single-row tapered roller design provides effective load distribution, reducing wear and extending service life.
With a static radial load rating of 710,000 lbf, it handles heavy-duty operations with ease.

LM665949A-LM665911 Bearing operates within a temperature range of -30° to 110°C, making it versatile for various environments.
Its standard radial clearance options allow for flexibility in different applications.

Application

Industrial Uses of LM665949A-LM665911 Bearing
LM665949A-LM665911 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 even in demanding environments.

Where Is LM665949A-LM665911 Bearing Used?
You’ll often find LM665949A-LM665911 Bearing in large industrial gearboxes, where its high dynamic radial load capacity keeps operations smooth. Its compatibility with Timken models makes it a versatile choice for maintenance and replacements.

Built for Heavy-Duty Use: LM665949A-LM665911 Bearing
LM665949A-LM665911 Bearing excels in applications like railroad axles, where its robust design supports both radial and thrust loads. The steel cage adds extra strength, making it reliable for long-term use.

Automotive vs Aerospace: Applications of LM665949A-LM665911 Bearing
In automotive systems, LM665949A-LM665911 Bearing is ideal for truck wheel hubs, thanks to its high load capacity. For aerospace, it’s suited for ground support equipment where precision and durability are key.

Perfect Fit for Automation: LM665949A-LM665911 Bearing
LM665949A-LM665911 Bearing works well in automated conveyor systems, where its tapered rollers reduce friction and wear. The inch sizing ensures easy integration into various industrial setups.

Q&A

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