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TS (Single Row Tapered Roller Bearings) (Imperial) LM122948-LM122911

TS (Single Row Tapered Roller Bearings) (Imperial) LM122948-LM122911

The LM122948-LM122911 is a single-row tapered roller bearing with a 4.5″ bore and 6.25″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 54100 lbf radially and 6690 lbf in thrust, making it versatile for heavy-duty use.

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 automotive applications where robust performance is needed.

Weighing 4.4 lb, it’s built to last while meeting RoHS and REACH standards for safety and environmental compliance.

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Product Parameters

  • Part Number LM122948-LM122911
  • Brand TFL
  • Interchangeable Timken
  • Size 4.5" x 6.25" x 1.375"
  • Bore Dia 4.5"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 6.25"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.375"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.1875"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.375"
  • Width Tolerance +0.014" to -0.01"
  • Cone Backface ToClear Radius 0.13"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 5.71"
  • Cone Backface Backing Diameter 4.96"
  • Cup Frontface Backing Diameter 6.03"
  • Cup Backface Backing Diameter 5.79"
  • Cage Cone Frontface Clearance 0.04"
  • Cage Cone Backface Clearance 0.02"
  • Effective Center Location -0.22"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number LM122948
  • Cup Part Number LM122911
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series LM122900
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 54100 lbf
  • Static Radial Load 80300 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 14000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 6690 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 4.4 lb

Features

Performance Features of LM122948-LM122911 Bearing

LM122948-LM122911 Bearing is built with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 54,100 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, enhancing durability and reducing friction.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Is LM122948-LM122911 Bearing Engineered for Reliability?

LM122948-LM122911 Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction provides excellent resistance to wear and fatigue.
Its standard radial clearance allows for smooth operation in diverse settings.
The bearing requires lubrication to maintain peak performance over time.

Built for Durability: LM122948-LM122911 Bearing

LM122948-LM122911 Bearing’s tapered roller design ensures efficient load distribution, minimising stress points.
The steel cage maintains roller positioning, contributing to long service life.
With a static radial load capacity of 80,300 lbf, it handles demanding industrial applications.
Its ABEC-1 rating guarantees consistent precision in performance.

Application

Industrial Uses of LM122948-LM122911 Bearing
This bearing is commonly used in heavy machinery like construction equipment and mining gear, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in tough working conditions.

In automotive applications, LM122948-LM122911 Bearing fits well in truck wheel hubs and differential systems, providing reliable performance under high radial and thrust loads. Its inch sizing makes it a preferred choice for American-made vehicles.

For industrial fans and pumps, LM122948-LM122911 Bearing offers smooth operation thanks to its standard radial clearance. The steel cage adds extra strength, making it suitable for continuous use in demanding environments.

What Makes LM122948-LM122911 Bearing a Preferred Choice?
Its ability to manage both radial and axial loads makes it versatile for various applications, from agricultural machinery to conveyor systems. The open design allows for easy lubrication, extending its service life.

The bearing’s ABEC-1 rating ensures consistent performance in general industrial use. With a temperature range of -30° to 110°C, it adapts well to different operating conditions without compromising reliability.

Built for Heavy-Duty Use: LM122948-LM122911 Bearing
Ideal for applications like gearboxes and rolling mills, this bearing’s robust design handles high dynamic loads effortlessly. The tapered rollers distribute stress evenly, reducing wear over time.

Its compatibility with Timken models makes replacement straightforward, saving downtime in maintenance. The standard radial clearance option provides flexibility for various installation needs.

Automotive vs Aerospace: Applications of LM122948-LM122911 Bearing
In automotive settings, this bearing excels in axle systems, offering stability under heavy loads. Its inch measurements align perfectly with imperial-sized components.

For aerospace ground equipment, LM122948-LM122911 Bearing provides reliable support in landing gear test rigs. The chrome steel material ensures it meets stringent industry standards for safety and performance.

Q&A

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