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TS (Single Row Tapered Roller Bearings) (Imperial) 46143-46368

TS (Single Row Tapered Roller Bearings) (Imperial) 46143-46368

The 46143-46368 is a single-row tapered roller bearing with a 1.4375″ bore and 3.6875″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 29100 lbf radially and 5190 lbf thrust, suitable for demanding 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 environments.

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

Weighing 2.5 lb, it balances strength and practicality. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 46143-46368
  • Brand TFL
  • Interchangeable Timken
  • Size 1.4375" x 3.6875" x 1.25"
  • 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 1.25"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.06"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 1.89"
  • Cone Backface Backing Diameter 1.97"
  • Cup Frontface Backing Diameter 3.46"
  • Cup Backface Backing Diameter 3.11"
  • 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 46368
  • 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 2.5 lb

Features

Performance Features of 46143-46368 Bearing

46143-46368 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 29100 lbf, making it suitable for demanding industrial applications.
The steel cage maintains roller alignment, ensuring smooth operation and reduced wear.
With a temperature range of -30° to 110°C, it performs reliably in various environments.

How Does 46143-46368 Bearing Reduce Friction?

46143-46368 Bearing’s tapered roller design minimises friction, enhancing efficiency and longevity.
The chrome steel construction ensures durability, even under heavy radial and thrust loads.
Precision engineering allows it to handle dynamic thrust ratings up to 5190 lbf.
Its standard radial clearance options provide flexibility for different operational needs.

Engineered for Precision: 46143-46368 Bearing

46143-46368 Bearing features precise dimensions, with a bore diameter tolerance of +0.005″ to 0.
The effective centre location of -0.31″ ensures accurate alignment in machinery.
Its ABEC-1 rating guarantees consistent performance for general industrial use.
The open design simplifies lubrication, maintaining optimal performance over time.

Steel vs Ceramic Bearings: Strengths of 46143-46368 Bearing

46143-46368 Bearing uses chrome steel for both rollers and rings, balancing strength and affordability.
This material choice provides excellent resistance to wear and fatigue in heavy-load applications.
The bearing’s dynamic radial rating of 7540 lbf at 90 million revolutions highlights its reliability.
Standard lubrication requirements ensure easy maintenance and prolonged service life.

Why Choose 46143-46368 Bearing for Precision Tasks?

46143-46368 Bearing’s single-row tapered roller design ensures precise load distribution.
With a static radial load capacity of 35500 lbf, it handles demanding tasks with ease.
The steel cage and chrome steel components work together to reduce operational noise.
Its compatibility with Timken bearings makes it a versatile choice for various machinery.

Application

Industrial Uses of 46143-46368 Bearing
46143-46368 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in demanding environments.

What Makes 46143-46368 Bearing a Preferred Choice?
In automotive applications, 46143-46368 Bearing fits well in wheel hubs and differential systems, thanks to its precise imperial sizing. Its open design allows for easy lubrication, extending service life under high stress.

Built for Heavy-Duty Use: 46143-46368 Bearing
This bearing excels in conveyor systems and industrial fans, where its static radial load capacity of 35,500 lbf provides reliable support. The steel cage adds robustness, making it suitable for continuous operation.

Automotive vs Aerospace: Applications of 46143-46368 Bearing
While 46143-46368 Bearing is popular in truck axles and drivetrains, its precision also suits aerospace landing gear components. The ABEC-1 rating ensures consistent performance across varied conditions.

Q&A

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