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LL450749AA Single Cones (Imperial)

LL450749AA Single Cones (Imperial)

The LL450749AA is a single cone tapered roller bearing with a 10.5-inch bore, designed for combined loads. Made from durable chrome steel, it handles dynamic radial loads up to 51,700 lbf and static loads up to 114,000 lbf.

Its open design allows easy maintenance, while the steel cage ensures reliable performance. 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 heavy-duty applications like industrial machinery or vehicle axles where combined loads are common.

Compliant with RoHS and REACH standards, it offers a balance of strength and durability. The standard radial clearance ensures versatility for various operational needs.

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Product Parameters

  • Part Number LL450749AA
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number LL450749AA-38820
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Bore Dia 10.5"
  • Bore Dia Tolerance +0.001" to 0
  • Cone Width 1.3401"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.06"
  • Cone Frontface Backing Diameter 10.87"
  • Cone Backface Backing Diameter 10.94"
  • Cage Cone Frontface Clearance -0.02"
  • Cage Cone Backface Clearance 0.03"
  • Effective Center Location 0.76"
  • Ring Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 51700 lbf
  • Static Radial Load 114000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 13400 lbf
  • Dynamic Radial Rating(Two Row 1 Million Revolutions)(C1) 90000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 8390 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 23300 lbf
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant

Features

How Does LL450749AA Bearing Handle Combined Loads?

LL450749AA Bearing is crafted from chrome steel, offering robust resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 51,700 lbf, making it suitable for heavy-duty applications.

The tapered roller design ensures smooth operation under combined loads, enhancing efficiency.
With a standard radial clearance, it provides flexibility for various operational conditions.

LL450749AA Bearing operates effectively within a temperature range of -30° to 110°C.
Its steel cage maintains roller alignment, reducing wear and extending service life.

Application

Industrial Uses of LL450749AA Bearing
LL450749AA Bearing is commonly used in heavy machinery like construction equipment and mining vehicles, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in demanding environments.

Where Is LL450749AA Bearing Used?
You’ll find LL450749AA Bearing in agricultural machinery, particularly in gearboxes and wheel hubs, where its high static radial load capacity is essential. Its inch sizing makes it a good fit for older or North American-made equipment.

Built for Heavy-Duty Use: LL450749AA Bearing
LL450749AA Bearing works well in railway applications, supporting axles and bogies with its robust design. The open seal type allows for easy lubrication, which is handy in outdoor or dusty conditions.

Automotive vs Aerospace: Applications of LL450749AA Bearing
In automotive settings, LL450749AA Bearing is often used in truck differentials, while in aerospace, it might appear in landing gear systems. Its temperature range suits both ground and high-altitude operations.

Practical Applications of LL450749AA Bearing
For industrial fans and pumps, LL450749AA Bearing offers reliable performance thanks to its dynamic thrust rating. The steel cage adds stability during high-speed rotations.

Q&A

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