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TS (Single Row Tapered Roller Bearings) (Imperial) 19143-19283X

TS (Single Row Tapered Roller Bearings) (Imperial) 19143-19283X

The 19143-19283X is a single-row tapered roller bearing with a 1.4375″ bore and 2.8346″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 11400 lbf radially and 2250 lbf thrust, suitable for demanding applications.

Its open design allows easy lubrication, while the steel cage ensures reliable performance. 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 practical replacement option. Ideal for use in gearboxes, axles, or industrial machinery where combined loads are common.

Weighing just 0.7 lb, it’s lightweight yet sturdy. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 19143-19283X
  • Brand TFL
  • Interchangeable Timken
  • Size 1.4375" x 2.8346" x 0.67"
  • Bore Dia 1.4375"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 2.8346"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.6504"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.5625"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.67"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.06"
  • Cup Backface ToClear Radius 0.08"
  • Cone Frontface Backing Diameter 1.63"
  • Cone Backface Backing Diameter 1.73"
  • Cup Frontface Backing Diameter 2.62"
  • Cup Backface Backing Diameter 2.44"
  • 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 19283X
  • 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 0.7 lb

Features

Performance Features of 19143-19283X Bearing

19143-19283X Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 11,400 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.

19143-19283X Bearing’s standard radial clearance allows for smooth operation under different conditions.
Its ABEC-1 rating ensures consistent performance for precision tasks.

Application

Industrial Uses of 19143-19283X Bearing
The 19143-19283X Bearing is widely used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability in demanding environments.

Where Is 19143-19283X Bearing Used?
You’ll often find 19143-19283X Bearing in automotive applications like wheel hubs and differential systems, thanks to its ability to manage both radial and thrust loads. The inch sizing makes it a fit for many North American vehicles.

Built for Heavy-Duty Use: 19143-19283X Bearing
In industrial settings, 19143-19283X Bearing excels in conveyor systems and gearboxes, where its open design simplifies lubrication. The steel cage adds robustness, making it reliable for continuous operation.

Automotive vs Aerospace: Applications of 19143-19283X Bearing
While 19143-19283X Bearing is common in trucks and tractors, its precision also suits aerospace components like landing gear systems. The ABEC-1 rating ensures consistent performance across these varied uses.

Perfect Fit for Automation: 19143-19283X Bearing
For automated machinery, 19143-19283X Bearing offers smooth rotation in robotic arms and assembly lines. Its standard radial clearance adapts well to both light and moderate loads.

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