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TS (Single Row Tapered Roller Bearings) (Imperial) L521945-L521914

TS (Single Row Tapered Roller Bearings) (Imperial) L521945-L521914

The L521945-L521914 is a single-row tapered roller bearing with a 4″ bore and 6″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 21600 lbf radially and 3760 lbf thrust, making it versatile for various applications.

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

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for heavy-duty machinery like gearboxes or industrial equipment where combined loads are common.

Weighing 3 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number L521945-L521914
  • Brand TFL
  • Interchangeable Timken
  • Size 4" x 6" x 0.8438"
  • Bore Dia 4"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 6"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.8438"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.6563"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.8438"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.06"
  • Cup Backface ToClear Radius 0.06"
  • Cone Frontface Backing Diameter 4.95"
  • Cone Backface Backing Diameter 4.41"
  • Cup Frontface Backing Diameter 5.71"
  • Cup Backface Backing Diameter 5.47"
  • Cage Cone Frontface Clearance 0.1"
  • Cage Cone Backface Clearance 0.01"
  • Effective Center Location 0.19"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number L521945
  • Cup Part Number L521914
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series L521900
  • Ring Material Chrome Steel
  • Roller 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 Thrust Rating(90 Million Revolutions)(Ca90) 3760 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 3 lb

Features

Performance Features of L521945-L521914 Bearing

L521945-L521914 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 21,600 lbf, making it suitable for heavy-duty applications.

The steel cage ensures proper roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various environments.

L521945-L521914 Bearing requires lubrication, ensuring smooth operation and reduced wear over time.
Its standard radial clearance options provide flexibility for different installation needs.

Application

Industrial Uses of L521945-L521914 Bearing
L521945-L521914 Bearing is commonly used in heavy machinery, such as construction equipment and mining gear, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in tough working conditions.

Where Is L521945-L521914 Bearing Used?
You’ll often find L521945-L521914 Bearing in automotive applications like truck wheel hubs, where its high radial and thrust load capacity keeps things running smoothly. The inch sizing makes it a good fit for American-made vehicles.

Built for Heavy-Duty Use: L521945-L521914 Bearing
L521945-L521914 Bearing excels in industrial fans and pumps, thanks to its open design and steel cage. The standard radial clearance allows for easy installation and reliable performance.

Automotive vs Aerospace: Applications of L521945-L521914 Bearing
In automotive settings, L521945-L521914 Bearing supports axles and transmissions, while in aerospace, it’s used in landing gear systems. The ABEC-1 rating ensures consistent precision for both industries.

Perfect Fit for Automation: L521945-L521914 Bearing
L521945-L521914 Bearing works well in automated conveyor systems, where its tapered rollers manage varying loads. The steel cage and chrome steel rollers provide long-lasting performance.

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