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TS (Single Row Tapered Roller Bearings) (Imperial) LM545849A-LM545812

TS (Single Row Tapered Roller Bearings) (Imperial) LM545849A-LM545812

The LM545849A-LM545812 is a single-row tapered roller bearing with a 9.25″ bore and 12.5″ outer diameter, crafted from sturdy chrome steel. It handles combined loads, supporting up to 117,000 lbf dynamically and 233,000 lbf statically.

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

This model is interchangeable with Timken bearings, making it a practical choice for replacements. Ideal for industrial machinery or heavy equipment where combined loads are common.

Weighing 22.8 lb, it’s built to last and complies with RoHS and REACH standards for safe use. The standard radial clearance can be adjusted to C3, C4, or C5 if needed.

The tapered roller design provides effective load distribution, with an effective center location of 0.33″. Suitable for applications requiring reliable performance under radial and thrust loads.

Its ABEC-1 rating ensures consistent precision, while the chrome steel rollers enhance longevity. A dependable choice for maintenance and engineering projects.

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Product Parameters

  • Part Number LM545849A-LM545812
  • Brand TFL
  • Interchangeable Timken
  • Size 9.25" x 12.5" x 1.9376"
  • 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 1.9376"
  • Width Tolerance +0.014" to -0.01"
  • Cone Backface ToClear Radius 0.25"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 10.83"
  • Cone Backface Backing Diameter 10.16"
  • 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 LM545849A
  • 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 22.8 lb

Features

Performance Features of LM545849A-LM545812 Bearing

LM545849A-LM545812 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 117,000 lbf, ensuring reliable performance in heavy-duty applications.

The tapered roller design of LM545849A-LM545812 Bearing provides effective load distribution, reducing wear.
With a static radial load capacity of 233,000 lbf, it handles demanding conditions with ease.

LM545849A-LM545812 Bearing operates within a temperature range of -30° to 110°C, suitable for various environments.
The steel cage maintains roller alignment, enhancing durability and service life.

LM545849A-LM545812 Bearing requires lubrication but offers standard radial clearance options for flexibility.
Its ABEC-1 rating ensures consistent performance in industrial applications.

Application

Industrial Uses of LM545849A-LM545812 Bearing
LM545849A-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 harsh operating conditions.

In automotive applications, LM545849A-LM545812 Bearing supports large drivetrain components such as truck axles and differential systems. Its inch sizing makes it compatible with many North American vehicle models.

For industrial conveyor systems, LM545849A-LM545812 Bearing’s high dynamic radial load capacity keeps operations running smoothly under heavy loads. The open design allows for easy lubrication, extending its service life.

LM545849A-LM545812 Bearing also finds use in agricultural machinery, where its robust construction withstands the demands of fieldwork. The standard radial clearance ensures reliable performance in varying temperatures.

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