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TS (Single Row Tapered Roller Bearings) (Imperial) K544091-K544118

TS (Single Row Tapered Roller Bearings) (Imperial) K544091-K544118

The K544091-K544118 is a single-row tapered roller bearing with a 9.125″ bore and 11.8125″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 50500 lbf radially and 9000 lbf thrust, making it robust for heavy-duty use.

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

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for industrial machinery or automotive applications where high radial and thrust loads are common.

Weighing 11.6 lb, it’s built to last with standard radial clearance and ABEC-1 precision. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number K544091-K544118
  • Brand TFL
  • Interchangeable Timken
  • Size 9.125" x 11.8125" x 1.3125"
  • Bore Dia 9.125"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 11.8125"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.25"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.9375"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.3125"
  • Width Tolerance +0.014" to -0.01"
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 10.71"
  • Cone Backface Backing Diameter 9.72"
  • Cup Frontface Backing Diameter 11.34"
  • Cup Backface Backing Diameter 11.10"
  • Cage Cone Frontface Clearance 0.15"
  • Cage Cone Backface Clearance 0.13"
  • Effective Center Location 0.62"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number K544091
  • Cup Part Number K544118
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 544000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 50500 lbf
  • Static Radial Load 103000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 13100 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 9000 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 11.6 lb

Features

How Is K544091-K544118 Bearing Engineered for Reliability?

K544091-K544118 Bearing features chrome steel rings and rollers, providing strong resistance to combined loads.
Its dynamic radial load capacity reaches 50,500 lbf, ensuring reliable performance in demanding applications.

The steel cage maintains roller alignment, reducing wear and extending service life.
With a temperature range of -30° to 110°C, it performs well in various operating conditions.

K544091-K544118 Bearing’s standard radial clearance offers flexibility for different installation needs.
Its ABEC-1 rating ensures consistent precision for industrial applications.

Application

Industrial Uses of K544091-K544118 Bearing
K544091-K544118 Bearing is commonly used in heavy machinery, such as construction equipment and mining tools, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, K544091-K544118 Bearing supports large vehicle components like axles and differentials, providing reliable performance under heavy loads. Its inch sizing makes it compatible with many American-made vehicles.

For industrial conveyor systems, K544091-K544118 Bearing’s open design allows for easy lubrication, maintaining smooth operation over long periods. The steel cage adds extra strength, making it suitable for high-load scenarios.

Where Is K544091-K544118 Bearing Used?
K544091-K544118 Bearing can be found in agricultural machinery, such as tractors and harvesters, where its robust design withstands rough conditions. The tapered rollers help manage both radial and thrust loads efficiently.

In wind turbines, K544091-K544118 Bearing plays a key role in supporting the main shaft, ensuring stable rotation under varying wind forces. Its high dynamic load capacity makes it a dependable choice for renewable energy applications.

Built for Heavy-Duty Use: K544091-K544118 Bearing
K544091-K544118 Bearing excels in railroad applications, particularly in freight car axles, where its strength and precision are crucial. The standard radial clearance allows for smooth operation even under heavy loads.

For oil and gas equipment, K544091-K544118 Bearing’s temperature tolerance ensures reliable performance in extreme conditions. The required lubrication helps maintain efficiency in high-friction environments.

Automotive vs Aerospace: Applications of K544091-K544118 Bearing
In automotive settings, K544091-K544118 Bearing is ideal for heavy trucks and buses, offering long-lasting performance. Its compatibility with Timken designs simplifies replacements and repairs.

For aerospace ground support equipment, K544091-K544118 Bearing provides the necessary durability and precision. The ABEC-1 rating ensures consistent performance in critical applications.

Q&A

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