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TS (Single Row Tapered Roller Bearings) (Imperial) LM281049-LM281010

TS (Single Row Tapered Roller Bearings) (Imperial) LM281049-LM281010

The LM281049-LM281010 is a single-row tapered roller bearing with a large 25.4-inch bore and 33.75-inch outer diameter, built from sturdy chrome steel. It handles combined loads up to 1,060,000 lbf radially and 156,000 lbf thrust, making it suitable for heavy-duty use.

Its pin-type cage design ensures smooth operation, while the open seal allows for easy lubrication. The bearing performs well 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, large vehicles, or construction equipment where high load capacity is needed.

Weighing 483.5 lbs, it’s built for durability in demanding environments. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number LM281049-LM281010
  • Brand TFL
  • Interchangeable Timken
  • Size 25.4375" x 33.75" x 5.5625"
  • Bore Dia 25.4375"
  • Bore Dia Tolerance +0.003" to 0
  • Outer Dia 33.75"
  • Outer Dia Tolerance +0.003" to 0
  • Cone Width 5.5625"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 4.3125"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 5.5625"
  • Width Tolerance +0.015" to -0.015"
  • Cone Backface ToClear Radius 0.25"
  • Cup Backface ToClear Radius 0.250"
  • Cone Frontface Backing Diameter 31.42"
  • Cone Backface Backing Diameter 26.93"
  • Cup Frontface Backing Diameter 32.48"
  • Cup Backface Backing Diameter 31.89"
  • Cage Cone Frontface Clearance 0.36"
  • Cage Cone Backface Clearance 0.44"
  • Effective Center Location 0.12"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number LM281049
  • Cup Part Number LM281010
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series LM281000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Pin-Type
  • Dynamic Radial Load 1060000 lbf
  • Static Radial Load 2330000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 274000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 156000 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 483.50 lb

Features

Performance Features of LM281049-LM281010 Bearing

LM281049-LM281010 Bearing is built with chrome steel rings and rollers, offering robust resistance to combined loads.
Its dynamic radial load capacity reaches 1,060,000 lbf, making it suitable for heavy-duty industrial applications.
The pin-type cage ensures proper roller alignment, enhancing durability and reducing friction.

How Is LM281049-LM281010 Bearing Engineered for Reliability?

LM281049-LM281010 Bearing features precise cone and cup dimensions, ensuring stable performance under high stress.
With a static radial load rating of 2,330,000 lbf, it handles extreme conditions without compromising efficiency.
The standard radial clearance option provides flexibility for various operational requirements.

Designed for Durability: LM281049-LM281010 Bearing

LM281049-LM281010 Bearing’s tapered roller design distributes loads evenly, extending its service life.
It operates smoothly within a temperature range of -30° to 110°C, adapting to diverse environments.
The ABEC-1 rating ensures consistent precision, ideal for applications demanding reliable performance.

Steel vs Ceramic Bearings: Strengths of LM281049-LM281010 Bearing

LM281049-LM281010 Bearing uses chrome steel for both rollers and rings, balancing strength and cost-effectiveness.
Its dynamic thrust rating of 156,000 lbf ensures reliable performance in thrust-heavy applications.
The open design simplifies lubrication, maintaining optimal performance with regular maintenance.

Application

Industrial Uses of LM281049-LM281010 Bearing
LM281049-LM281010 Bearing is commonly used in heavy machinery like mining equipment and construction vehicles, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, LM281049-LM281010 Bearing supports large axles and wheel hubs, providing stability under heavy loads. Its inch sizing makes it compatible with many North American industrial vehicles.

For wind turbines, LM281049-LM281010 Bearing’s robust design helps manage radial and thrust loads in gearbox systems. The pin-type cage reduces friction, extending service life in high-stress conditions.

Where Is LM281049-LM281010 Bearing Used?
You’ll often find LM281049-LM281010 Bearing in agricultural machinery, such as tractors and harvesters, where its ability to handle uneven loads is invaluable. The open seal design allows for easy lubrication maintenance.

In rail transport, LM281049-LM281010 Bearing ensures smooth operation in freight car wheel assemblies. Its standard radial clearance adapts well to varying temperatures and load conditions.

Built for Heavy-Duty Use: LM281049-LM281010 Bearing
LM281049-LM281010 Bearing excels in steel mills, where high temperatures and heavy loads are common. The chrome steel rollers resist wear, even under continuous operation.

For oil rigs, LM281049-LM281010 Bearing’s large size and load capacity make it ideal for drilling equipment. Its ABEC-1 rating ensures reliable performance in rugged conditions.

Automotive vs Aerospace: Applications of LM281049-LM281010 Bearing
In automotive settings, LM281049-LM281010 Bearing is trusted for heavy-duty truck axles, where its strength and precision are critical. The tapered rollers distribute loads evenly, reducing wear.

While less common in aerospace, LM281049-LM281010 Bearing can be found in ground support equipment. Its inch measurements align with many industrial standards, simplifying maintenance.

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