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46143 Single Cones (Imperial)
46143 Single Cones (Imperial)

46143 Single Cones (Imperial)

The 46143 single cone is a tapered roller bearing with a 1.4375-inch bore, designed for combined loads. Made from durable chrome steel, it handles dynamic radial loads up to 29100 lbf and operates smoothly in temperatures from -30°C to 110°C.

Its open design and steel cage ensure easy maintenance and long service life. The bearing is interchangeable with Timken models, making it a practical choice for replacements.

With standard radial clearance and ABEC-1 rating, it suits applications like heavy machinery or vehicle axles where reliability is key. Compliant with RoHS and REACH standards, it’s a safe and sturdy option for industrial use.

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Product Parameters

  • Part Number 46143
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number 46143-46368 , 46143-46369
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Series 46143
  • Bore Dia 1.4375"
  • Bore Dia Tolerance +0.005" to 0
  • Cone Width 1.25"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.06"
  • Cone Frontface Backing Diameter 1.89"
  • Cone Backface Backing Diameter 1.97"
  • Cage Cone Frontface Clearance 0.08"
  • Cage Cone Backface Clearance 0.06"
  • Effective Center Location -0.31"
  • Ring 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 Radial Rating(Two Row 1 Million Revolutions)(C1) 50600 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 5190 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 13100 lbf
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant

Features

How Is 46143 Bearing Engineered for Reliability?

46143 Bearing is constructed with chrome steel rings, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 29,100 lbf, ensuring dependable performance in various applications.

The steel cage maintains proper roller alignment, reducing friction and extending service life.
With a temperature range of -30° to 110°C, it performs reliably in diverse conditions.

46143 Bearing’s standard radial clearance options provide flexibility for different operational needs.
Its ABEC-1 rating ensures consistent precision and smooth operation.

Application

Industrial Uses of 46143 Single Cones
46143 Single Cones are commonly used in heavy machinery like construction equipment, where their tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, 46143 Single Cones support wheel hubs and drivetrains, providing reliable performance under varying loads. Their inch sizing makes them compatible with many North American vehicle models.

For industrial conveyor systems, 46143 Single Cones offer smooth operation and long service life. The open seal design allows for easy lubrication, reducing maintenance downtime.

Where Is 46143 Single Cones Used?
You’ll often find 46143 Single Cones in agricultural machinery, where their robust design handles rough conditions. The steel cage adds extra strength, making them ideal for high-load scenarios.

In mining equipment, 46143 Single Cones provide reliable performance under extreme stress. Their standard radial clearance ensures consistent operation even with temperature fluctuations.

Built for Heavy-Duty Use: 46143 Single Cones
46143 Single Cones excel in forestry equipment, where their tapered rollers manage both radial and thrust loads. The ABEC-1 rating ensures sufficient precision for most industrial needs.

For railway applications, 46143 Single Cones offer dependable performance in axle boxes. Their chrome steel rings resist wear, extending service intervals.

Automotive vs Aerospace: Applications of 46143 Single Cones
In automotive systems, 46143 Single Cones are trusted for differential assemblies, balancing loads efficiently. Their inch measurements simplify replacements in older vehicles.

While not typically used in aerospace, 46143 Single Cones are a staple in heavy industrial settings. Their temperature range suits most ground-based machinery.

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