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TS (Single Row Tapered Roller Bearings) (Imperial) LM665949-LM665911

TS (Single Row Tapered Roller Bearings) (Imperial) LM665949-LM665911

The LM665949-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 97.60 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 LM665949-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 0.25"
  • Cup Backface ToClear Radius 0.530"
  • Cone Frontface Backing Diameter 17.4"
  • Cone Backface Backing Diameter 16.34"
  • 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 LM665949
  • 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 97.60 lb

Features

How Is LM665949-LM665911 Bearing Engineered for Reliability?

LM665949-LM665911 Bearing is built with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 304,000 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, enhancing durability and reducing friction.
With a standard radial clearance, it provides reliable operation in various industrial settings.

What Makes LM665949-LM665911 Bearing Suitable for High-Temperature Applications?

LM665949-LM665911 Bearing operates effectively within a temperature range of -30° to 110 °C.
Its chrome steel construction resists thermal deformation, maintaining performance in demanding conditions.
The open design allows for easy lubrication, ensuring smooth operation even under high temperatures.
This makes it a dependable choice for applications exposed to varying thermal environments.

Built for Durability: LM665949-LM665911 Bearing

LM665949-LM665911 Bearing features a single-row tapered roller design, optimised for long service life.
The chrome steel components resist wear, while the steel cage maintains roller alignment.
With a static radial load capacity of 710,000 lbf, it handles extreme loads with ease.
Its standard radial clearance ensures consistent performance across different operating conditions.

Application

Industrial Uses of LM665949-LM665911 Bearing
LM665949-LM665911 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.

In automotive applications, LM665949-LM665911 Bearing supports large axles and drivetrains, providing reliable performance under high radial and thrust loads. Its imperial sizing makes it a preferred choice for North American heavy-duty trucks.

For industrial fans and gearboxes, LM665949-LM665911 Bearing’s open design allows for easy lubrication, extending service life in continuous operation. The standard radial clearance offers flexibility for various installation requirements.

What Makes LM665949-LM665911 Bearing a Preferred Choice?
LM665949-LM665911 Bearing excels in agricultural machinery, where its robust design withstands harsh conditions like dust and moisture. The steel cage adds extra strength to handle shock loads.

In paper mill equipment, LM665949-LM665911 Bearing’s high dynamic load capacity ensures smooth operation at varying speeds. Its ABEC-1 rating balances precision and cost-effectiveness for industrial applications.

Built for Heavy-Duty Use: LM665949-LM665911 Bearing
LM665949-LM665911 Bearing is ideal for crane and hoist systems, where its tapered rollers distribute loads evenly. The inch measurements simplify replacements in older machinery.

For railway applications, LM665949-LM665911 Bearing’s temperature range (-30° to 110°C) suits both cold and hot climates. Its static radial load capacity of 710,000 lbf guarantees stability under extreme pressures.

Automotive vs Aerospace: Applications of LM665949-LM665911 Bearing
In automotive sectors, LM665949-LM665911 Bearing is trusted for wheel hubs and differentials due to its combined load handling. The Timken interchangeability adds to its versatility.

For aerospace ground support equipment, LM665949-LM665911 Bearing’s weight (97.60 lb) is offset by its reliability in high-stress conditions. The chrome steel rollers minimise wear during frequent use.

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