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TS (Single Row Tapered Roller Bearings) (Imperial) LM545848-LM545812

TS (Single Row Tapered Roller Bearings) (Imperial) LM545848-LM545812

The LM545848-LM545812 is a single-row tapered roller bearing with a 9.246″ bore and 12.5″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 138,000 lbf radially and 24,300 lbf thrust, making it suitable for heavy-duty applications.

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 systems where robust performance is needed.

Weighing 23.4 lb, it’s designed for long-lasting use and complies with RoHS and REACH standards. The standard radial clearance ensures easy installation and maintenance.

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Product Parameters

  • Part Number LM545848-LM545812
  • Brand TFL
  • Interchangeable Timken
  • Size 9.246" x 12.5" x 1.9376"
  • Bore Dia 9.246"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 12.5"
  • Outer Dia Tolerance +0.002" to 0
  • Cone Width 2.125"
  • 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 0.14"
  • 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 0.04"
  • Cage Cone Backface Clearance 0.13"
  • Effective Center Location 0.33"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number LM545848
  • 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 138000 lbf
  • Static Radial Load 213000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 35700 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 24300 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 23.400 lb

Features

Performance Features of LM545848-LM545812 Bearing

LM545848-LM545812 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 138,000 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.

How Is LM545848-LM545812 Bearing Engineered for Reliability?

LM545848-LM545812 Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction provides durability, while the standard radial clearance ensures smooth operation.
Its dynamic thrust rating of 24,300 lbf makes it suitable for demanding industrial uses.
The bearing requires lubrication, enhancing its performance and longevity.

Built for Durability: LM545848-LM545812 Bearing

LM545848-LM545812 Bearing’s chrome steel components resist wear, even under high radial and thrust loads.
The tapered roller design distributes loads evenly, reducing stress on individual components.
With a static radial load capacity of 213,000 lbf, it excels in heavy machinery applications.
Its ABEC-1 rating ensures consistent precision and reliability.

Application

Industrial Uses of LM545848-LM545812 Bearing
LM545848-LM545812 Bearing is commonly used in heavy machinery like construction equipment and mining drills, where its tapered roller design handles combined radial and thrust loads effectively. The chrome steel construction ensures durability even in tough working conditions.

In automotive applications, LM545848-LM545812 Bearing fits well in truck wheel hubs and differential systems, providing reliable performance under high loads. Its imperial sizing makes it a preferred choice for North American vehicle manufacturers.

For industrial fans and blowers, LM545848-LM545812 Bearing offers smooth operation and long service life. The open design allows for easy lubrication, which is essential for maintaining performance in continuous-use scenarios.

What Makes LM545848-LM545812 Bearing a Preferred Choice?
LM545848-LM545812 Bearing stands out in agricultural machinery, such as tractors and harvesters, due to its ability to withstand heavy loads and harsh environments. The steel cage adds extra strength and stability.

In conveyor systems, LM545848-LM545812 Bearing ensures reliable movement of materials, even in high-speed operations. Its standard radial clearance makes it versatile for various industrial settings.

Built for Heavy-Duty Use: LM545848-LM545812 Bearing
LM545848-LM545812 Bearing is ideal for railway applications, where it supports axles and bogies under constant stress. The tapered rollers distribute loads evenly, reducing wear over time.

For power transmission systems, LM545848-LM545812 Bearing provides consistent performance, ensuring minimal downtime. Its compatibility with Timken models makes it a convenient replacement option.

Automotive vs Aerospace: Applications of LM545848-LM545812 Bearing
In automotive sectors, LM545848-LM545812 Bearing is used in drivetrains and steering systems, offering precision and reliability. The inch measurements align well with standard automotive parts.

For aerospace ground equipment, LM545848-LM545812 Bearing handles the rigorous demands of loading and unloading aircraft. Its high dynamic load capacity ensures safety and efficiency.

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