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TS (Single Row Tapered Roller Bearings) (Imperial) LM12749-LM12711

TS (Single Row Tapered Roller Bearings) (Imperial) LM12749-LM12711

The LM12749-LM12711 is a single-row tapered roller bearing with a 0.8656″ bore and 1.81″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 8680 lbf radially and 1180 lbf thrust, suitable for moderate-speed applications.

Its open design simplifies lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures from -30°C to 110°C, making it versatile for various conditions.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for automotive or industrial uses where combined radial and thrust loads are present.

Weighing just 0.3lb, it’s lightweight yet robust. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number LM12749-LM12711
  • Brand TFL
  • Interchangeable Timken
  • Size 0.8656" x 1.81" x 0.61"
  • Bore Dia 0.8656"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 1.81"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.655"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.475"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.61"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.050"
  • Cup Backface ToClear Radius 0.050"
  • Cone Frontface Backing Diameter 1.02"
  • Cone Backface Backing Diameter 1.08"
  • Cup Frontface Backing Diameter 1.69"
  • Cup Backface Backing Diameter 1.57"
  • Cage Cone Frontface Clearance 0.04"
  • Cage Cone Backface Clearance 0.01"
  • Effective Center Location -0.21"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number LM12749
  • Cup Part Number LM12711
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series LM12700
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 8680 lbf
  • Static Radial Load 7930 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 2250 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 1180 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 0.3 lb

Features

How Is LM12749-LM12711 Bearing Engineered for Reliability?

LM12749-LM12711 Bearing features chrome steel rings and rollers, ensuring durability under combined loads.
Its dynamic radial load capacity reaches 8680 lbf, making it suitable for heavy-duty applications.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

What Makes LM12749-LM12711 Bearing Suitable for High-Temperature Applications?

LM12749-LM12711 Bearing operates efficiently in temperatures ranging from -30° to 110°C.
The chrome steel construction resists heat-related wear, maintaining performance under stress.
Its dynamic radial load rating of 8680 lbf ensures stability even in demanding environments.
The open design allows for easy lubrication, further enhancing its heat resistance.

Designed for Durability: LM12749-LM12711 Bearing

LM12749-LM12711 Bearing is built with chrome steel components for long-lasting performance.
Its tapered roller design handles combined loads effectively, with a dynamic radial load of 8680 lbf.
The steel cage ensures smooth operation by keeping rollers properly aligned.
This bearing is ideal for applications requiring reliability and strength.

Application

Industrial Uses of LM12749-LM12711 Bearing
LM12749-LM12711 Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined radial and thrust loads effectively. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, LM12749-LM12711 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a convenient choice for older or American-made vehicles.

For industrial gearboxes, LM12749-LM12711 Bearing’s open design allows for easy lubrication, extending service life in high-speed operations. The steel cage adds stability, reducing wear over time.

Where Is LM12749-LM12711 Bearing Used?
You’ll often find LM12749-LM12711 Bearing in agricultural machinery, such as tractors and harvesters, where its robust design withstands dirt and debris. The standard radial clearance ensures smooth operation in rough conditions.

In conveyor systems, LM12749-LM12711 Bearing supports heavy loads while maintaining alignment, thanks to its tapered rollers. The ABEC-1 rating provides a good balance of precision and affordability for most industrial needs.

Built for Heavy-Duty Use: LM12749-LM12711 Bearing
LM12749-LM12711 Bearing excels in mining equipment, where its combined load capacity handles the stresses of drilling and crushing. The chrome steel rollers resist deformation under extreme pressure.

For railway applications, LM12749-LM12711 Bearing’s effective center location helps maintain stability in railcar axles. The temperature range of -30° to 110°C ensures reliability in diverse climates.

Automotive vs Aerospace: Applications of LM12749-LM12711 Bearing
In automotive settings, LM12749-LM12711 Bearing is ideal for drivetrain components, offering a cost-effective solution for mass-produced vehicles. The steel cage provides adequate strength without unnecessary weight.

For aerospace ground equipment, LM12749-LM12711 Bearing’s standard radial clearance suits maintenance vehicles and loading systems. Its compatibility with Timken designs simplifies replacements in existing machinery.

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