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TS (Single Row Tapered Roller Bearings) (Imperial) LM545849-LM545812

TS (Single Row Tapered Roller Bearings) (Imperial) LM545849-LM545812

The LM545849-LM545812 is a single-row tapered roller bearing with a 9.25″ bore and 12.5″ outer diameter, crafted from durable chrome steel. It handles combined loads with a dynamic radial capacity of 117,000 lbf and operates smoothly in temperatures from -30°C to 110°C.

Its open design allows for easy lubrication, while the steel cage ensures reliable performance under heavy loads. The bearing is interchangeable with Timken models, making it a practical choice for replacements.

Ideal for industrial machinery or heavy equipment where combined radial and thrust loads are common. Weighing 22.60 lb, it’s built to last in demanding conditions. Compliant with RoHS and REACH standards for safe use.

The standard radial clearance and ABEC-1 rating ensure consistent performance. Its tapered roller design provides stability and reduces friction during operation.

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Product Parameters

  • Part Number LM545849-LM545812
  • Brand TFL
  • Interchangeable Timken
  • Size 9.25" x 12.5" x 1.9375"
  • Bore Dia 9.25"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 12.5"
  • Outer Dia Tolerance +0.002" to 0
  • Cone Width 1.9375"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.4375"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.9375"
  • Width Tolerance +0.014" to -0.01"
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 10.83"
  • Cone Backface Backing Diameter 9.92"
  • Cup Frontface Backing Diameter 12.07"
  • Cup Backface Backing Diameter 11.69"
  • Cage Cone Frontface Clearance 0.16"
  • Cage Cone Backface Clearance 0.14"
  • Effective Center Location 0.33"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number LM545849
  • Cup Part Number LM545812
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series LM545800
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 117000 lbf
  • Static Radial Load 233000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 30200 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 20600 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 22.60 lb

Features

How Does LM545849-LM545812 Bearing Handle Combined Loads?

LM545849-LM545812 Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 117,000 lbf, ensuring reliable performance in 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 well in various environmental conditions.

Why Choose LM545849-LM545812 Bearing for Heavy-Duty Applications?

LM545849-LM545812 Bearing features a single-row tapered roller design, ideal for handling combined loads efficiently.
The chrome steel construction provides durability, while the standard radial clearance ensures smooth operation.
Its dynamic thrust rating of 20,600 lbf makes it suitable for demanding industrial uses.
The open seal type allows for easy lubrication, maintaining performance over time.

Structural Advantages of LM545849-LM545812 Bearing

LM545849-LM545812 Bearing’s precise cone and cup dimensions ensure optimal load distribution and stability.
The tapered roller design reduces stress on individual components, enhancing longevity.
With an ABEC-1 rating, it balances precision and affordability for various applications.
The steel cage design minimises wear, even under high radial and thrust loads.

Engineered for Reliability: LM545849-LM545812 Bearing

LM545849-LM545812 Bearing’s chrome steel rollers and rings provide excellent wear resistance in tough conditions.
Its static radial load capacity of 233,000 lbf ensures reliability in stationary applications.
The standard lubrication requirement simplifies maintenance without compromising performance.
Designed for inch-based systems, it offers compatibility with Timken equivalents for easy replacement.

Performance Features of LM545849-LM545812 Bearing

LM545849-LM545812 Bearing’s effective center location of 0.33″ ensures balanced load handling.
The tapered rollers and chrome steel materials reduce friction, improving efficiency.
With a dynamic radial rating of 30,200 lbf at 90 million revolutions, it excels in long-term use.
Its wide temperature range makes it adaptable to both cold and moderately hot environments.

Application

Industrial Uses of LM545849-LM545812 Bearing
LM545849-LM545812 Bearing is commonly used in heavy machinery like mining equipment and construction vehicles, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in tough working conditions.

Where Is LM545849-LM545812 Bearing Used?
You’ll often find LM545849-LM545812 Bearing in agricultural machinery, supporting components like gearboxes and axles. Its inch sizing makes it a good fit for North American equipment standards.

Built for Heavy-Duty Use: LM545849-LM545812 Bearing
LM545849-LM545812 Bearing excels in industrial fans and pumps, where its high dynamic load capacity keeps operations running smoothly. The open design allows for easy lubrication and maintenance.

Automotive vs Aerospace: Applications of LM545849-LM545812 Bearing
In automotive applications, LM545849-LM545812 Bearing supports wheel hubs and drivetrains, while in aerospace, it’s used in landing gear systems. Its reliability under heavy loads makes it versatile across industries.

Perfect Fit for Automation: LM545849-LM545812 Bearing
LM545849-LM545812 Bearing is ideal for automated conveyor systems, where precision and load capacity are key. The steel cage adds extra stability for long-term use.

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