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L521945 Single Cones (Imperial)

L521945 Single Cones (Imperial)

The L521945 is a single-row tapered roller bearing with a 4-inch bore, designed for combined loads. Made from durable chrome steel, it handles dynamic radial loads up to 21600 lbf and operates smoothly in temperatures from -30°C to 110°C.

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

With a cone width of 0.8438 inches, it fits snugly in applications requiring precise alignment. Ideal for heavy-duty machinery or industrial equipment where both radial and thrust loads are present.

Compliant with RoHS and REACH standards, it offers a balance of strength and durability. The ABEC-1 rating ensures consistent performance for general industrial use.

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Product Parameters

  • Part Number L521945
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number L521945-L521910 , L521945-L521914
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Series L521900
  • Bore Dia 4"
  • Bore Dia Tolerance +0.001" to 0
  • Cone Width 0.8438"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.06"
  • Cone Frontface Backing Diameter 4.29"
  • Cone Backface Backing Diameter 4.41"
  • Cage Cone Frontface Clearance 0.1"
  • Cage Cone Backface Clearance 0.01"
  • Effective Center Location 0.19"
  • Ring Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 21600 lbf
  • Static Radial Load 39400 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 5600 lbf
  • Dynamic Radial Rating(Two Row 1 Million Revolutions)(C1) 37600 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 3760 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 9740 lbf
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant

Features

Performance Features of L521945 Bearing

L521945 Bearing is crafted from chrome steel, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 21,600 lbf, ensuring reliable performance in tough conditions.

The tapered roller design of L521945 Bearing enhances stability and load distribution.
With a temperature range of -30° to 110°C, it performs well in various environments.

L521945 Bearing’s steel cage maintains roller alignment, reducing wear and extending lifespan.
Its standard radial clearance options provide flexibility for different applications.

Application

Industrial Uses of L521945 Bearing
L521945 Bearing is commonly used in heavy machinery, such as construction equipment and mining tools, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability in demanding environments.

Where Is L521945 Bearing Used?
You’ll often find L521945 Bearing in agricultural machinery, supporting components like gearboxes and axles. Its inch sizing makes it a practical choice for North American equipment.

Built for Heavy-Duty Use: L521945 Bearing
L521945 Bearing excels in industrial fans and pumps, where its open design allows for easy lubrication. The steel cage provides stability during high-speed operations.

Automotive vs Aerospace: Applications of L521945 Bearing
In automotive systems, L521945 Bearing supports wheel hubs and differentials, offering reliable performance. For aerospace, its precision makes it suitable for landing gear components.

Essential Roles of L521945 Bearing
L521945 Bearing is vital in railway applications, particularly in axle boxes where its tapered rollers manage radial and thrust loads. The ABEC-1 rating ensures consistent performance.

Q&A

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