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TS (Single Row Tapered Roller Bearings) (Imperial) 46143-46369

TS (Single Row Tapered Roller Bearings) (Imperial) 46143-46369

The 46143-46369 is a single-row tapered roller bearing with a 1.4375″ bore and 3.6875″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 29100 lbf radially and 5190 lbf in thrust, making it versatile for various applications.

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

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

Weighing 2.6 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for industrial use.

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Product Parameters

  • Part Number 46143-46369
  • Brand TFL
  • Interchangeable Timken
  • Size 1.4375" x 3.6875" x 1.2501"
  • Bore Dia 1.4375"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.6875"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.25"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.0313"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.2501"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.06"
  • Cup Backface ToClear Radius 0.050"
  • Cone Frontface Backing Diameter 1.89"
  • Cone Backface Backing Diameter 1.97"
  • Cup Frontface Backing Diameter 3.46"
  • Cup Backface Backing Diameter 3.19"
  • Cage Cone Frontface Clearance 0.08"
  • Cage Cone Backface Clearance 0.06"
  • Effective Center Location -0.31"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 46143
  • Cup Part Number 46369
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 46000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 29100 lbf
  • Static Radial Load 35500 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 7540 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 5190 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 2.6 lb

Features

Performance Features of 46143-46369 Bearing

46143-46369 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 29,100 lbf, ensuring reliable performance in demanding applications.

The tapered roller design distributes loads evenly, reducing stress and extending service life.
With a standard radial clearance option, it provides flexibility for various operating conditions.

46143-46369 Bearing operates efficiently within a temperature range of -30° to 110°C.
The steel cage maintains roller alignment, ensuring smooth operation and reduced wear.

This bearing is compatible with Timken models, making replacements straightforward.
Its open design allows for easy lubrication, supporting long-term performance.

Application

Industrial Uses of 46143-46369 Bearing
46143-46369 Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined radial and thrust loads effectively. The chrome steel construction ensures durability even in demanding environments.

What Makes 46143-46369 Bearing a Preferred Choice?
In automotive applications, 46143-46369 Bearing fits well in wheel hubs and differential systems, thanks to its precise imperial sizing. The open design allows for easy lubrication, extending its service life.

Built for Heavy-Duty Use: 46143-46369 Bearing
This bearing excels in industrial gearboxes, where its high dynamic radial load capacity keeps operations smooth. The steel cage adds robustness, making it reliable for continuous use.

Automotive vs Aerospace: Applications of 46143-46369 Bearing
While 46143-46369 Bearing is popular in truck axles, its precision also suits aerospace landing gear components. The ABEC-1 rating ensures consistent performance under varying loads.

Perfect Fit for Automation: 46143-46369 Bearing
In robotic arms, 46143-46369 Bearing provides stable movement due to its tapered roller design. The standard radial clearance offers flexibility for different automation needs.

Q&A

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