TS (Single Row Tapered Roller Bearings) (Imperial) 19143-19281

TS (Single Row Tapered Roller Bearings) (Imperial) 19143-19281

The 19143-19281 is a single-row tapered roller bearing with a 1.4375″ bore and 2.8125″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 11400 lbf radially and 2250 lbf in thrust, suitable for moderate-speed 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, making it versatile for various conditions.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for automotive or industrial machinery where combined loads are common.

Weighing 0.600 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 19143-19281
  • Brand TFL
  • Interchangeable Timken
  • Size 1.4375" x 2.8125" x 0.625"
  • Bore Dia 1.4375"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 2.8125"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.6504"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.4688"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.625"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.06"
  • Cup Backface ToClear Radius 0.04"
  • Cone Frontface Backing Diameter 1.63"
  • Cone Backface Backing Diameter 1.73"
  • Cup Frontface Backing Diameter 2.62"
  • Cup Backface Backing Diameter 2.48"
  • Cage Cone Frontface Clearance 0.09"
  • Cage Cone Backface Clearance 0.03"
  • Effective Center Location -0.06"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 19143
  • Cup Part Number 19281
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 19000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 11400 lbf
  • Static Radial Load 13000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 2960 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 2250 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 0.600 lb

Features

Structural Advantages of 19143-19281 Bearing

19143-19281 Bearing features a single row tapered roller design, ideal for handling combined radial and thrust loads.
Its chrome steel construction ensures durability and resistance to wear in demanding applications.

The bearing’s dynamic radial load capacity reaches 11,400 lbf, providing reliable performance under heavy loads.
With a standard radial clearance, it offers flexibility for various industrial uses.

19143-19281 Bearing operates efficiently within a temperature range of -30° to 110°C.
Its steel cage maintains roller alignment, enhancing longevity and reducing maintenance needs.

Application

Industrial Uses of 19143-19281 Bearing
19143-19281 Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined radial and thrust loads effectively. The chrome steel construction ensures durability in tough working conditions.

Where Is 19143-19281 Bearing Used?
You’ll often find 19143-19281 Bearing in automotive applications like wheel hubs and differentials, thanks to its reliable performance under varying loads. Its inch sizing makes it a good fit for many American-made vehicles.

Built for Heavy-Duty Use: 19143-19281 Bearing
19143-19281 Bearing excels in industrial fans and pumps, where its open design allows for easy lubrication and maintenance. The steel cage adds extra strength, making it suitable for high-stress environments.

Automotive vs Aerospace: Applications of 19143-19281 Bearing
In automotive systems, 19143-19281 Bearing supports components like axles and transmissions, while in aerospace, it’s used in landing gear for its load-handling capabilities. The temperature range ensures performance in diverse conditions.

Key Fields for 19143-19281 Bearing
19143-19281 Bearing is ideal for conveyor systems and material handling equipment, where its standard radial clearance offers smooth operation. The ABEC-1 rating provides a balance of precision and affordability for general industrial use.

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