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TS (Single Row Tapered Roller Bearings) (Imperial) LM48549X-LM48511A

TS (Single Row Tapered Roller Bearings) (Imperial) LM48549X-LM48511A

The LM48549X-LM48511A is a single-row tapered roller bearing with a 1.375″ bore and 2.5625″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 14500 lbf radially and 2430 lbf thrust, making it versatile for various applications.

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

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for use in gearboxes, axles, or industrial machinery where combined loads are common.

Weighing just 0.6 lb, 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 LM48549X-LM48511A
  • Brand TFL
  • Interchangeable Timken
  • Size 1.375" x 2.5625" x 0.8301"
  • Bore Dia 1.375"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 2.5625"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.72"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.67"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.8301"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.09"
  • Cup Backface ToClear Radius 0.06"
  • Cone Frontface Backing Diameter 1.57"
  • Cone Backface Backing Diameter 1.71"
  • Cup Frontface Backing Diameter 2.44"
  • Cup Backface Backing Diameter 2.28"
  • Cage Cone Frontface Clearance 0.08"
  • Cage Cone Backface Clearance 0.01"
  • Effective Center Location -0.14"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number LM48549X
  • Cup Part Number LM48511A
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series LM48500
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 14500 lbf
  • Static Radial Load 14200 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 3760 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 2430 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 0.600 lb

Features

How Is LM48549X-LM48511A Bearing Engineered for Reliability?

LM48549X-LM48511A Bearing features chrome steel rings and rollers, ensuring strength and durability under combined loads.
Its dynamic radial load capacity of 14500 lbf makes 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 LM48549X-LM48511A Bearing Suitable for High-Temperature Applications?

LM48549X-LM48511A Bearing is constructed with chrome steel, which resists wear even at high temperatures up to 110°C.
The open design allows for effective lubrication, ensuring smooth operation in demanding environments.
Its standard radial clearance options provide flexibility for different application needs.
The bearing’s robust design ensures consistent performance under thermal stress.

Designed for Durability: LM48549X-LM48511A Bearing

LM48549X-LM48511A Bearing is built with precision to handle both radial and thrust loads efficiently.
The tapered roller design distributes loads evenly, reducing stress on individual components.
Chrome steel construction enhances resistance to wear, prolonging the bearing’s service life.
Its ABEC-1 rating ensures reliable performance for general industrial applications.

Steel vs Ceramic Bearings: Strengths of LM48549X-LM48511A Bearing

LM48549X-LM48511A Bearing uses chrome steel for both rings and rollers, offering excellent strength and cost-effectiveness.
The steel cage provides durability and maintains roller alignment under heavy loads.
With a static radial load capacity of 14200 lbf, it is ideal for demanding industrial uses.
The bearing’s design ensures reliable performance without the higher cost of ceramic alternatives.

Application

Industrial Uses of LM48549X-LM48511A Bearing
LM48549X-LM48511A Bearing is commonly used in heavy machinery, such as construction equipment and agricultural vehicles, where combined loads are frequent. Its tapered roller design ensures reliable performance under both radial and thrust forces.

The open seal type allows for easy lubrication, making it suitable for environments where regular maintenance is needed. The chrome steel construction also provides excellent durability in tough working conditions.

Where Is LM48549X-LM48511A Bearing Used?
You’ll often find LM48549X-LM48511A Bearing in automotive applications like wheel hubs and differential systems. Its ability to handle combined loads makes it a versatile choice for vehicle components.

The inch sizing ensures compatibility with many North American machinery standards. Its steel cage adds stability, even under high-speed operations.

Built for Heavy-Duty Use: LM48549X-LM48511A Bearing
LM48549X-LM48511A Bearing excels in industrial gearboxes, where its tapered rollers manage heavy loads smoothly. The standard radial clearance offers flexibility for various operational needs.

Its temperature range of -30° to 110°C makes it reliable in both hot and cold environments. The ABEC-1 rating ensures consistent performance without over-engineering.

Automotive vs Aerospace: Applications of LM48549X-LM48511A Bearing
In automotive systems, LM48549X-LM48511A Bearing supports wheel hubs and transmissions, thanks to its combined load capacity. The inch measurements align well with US-made vehicles.

For aerospace, its durability and temperature tolerance make it suitable for auxiliary equipment. However, its ABEC-1 rating may limit use in high-precision flight systems.

Perfect Fit for Automation: LM48549X-LM48511A Bearing
LM48549X-LM48511A Bearing works well in automated conveyor systems, where its tapered rollers handle varying loads efficiently. The steel cage ensures long-term reliability.

Its standard radial clearance allows for smooth operation in repetitive motion tasks. The open design simplifies lubrication in high-use scenarios.

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