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TS (Single Row Tapered Roller Bearings) (Imperial) 3479-3420

TS (Single Row Tapered Roller Bearings) (Imperial) 3479-3420

The 3479-3420 is a single-row tapered roller bearing with a 1.4375″ bore and 3.125″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 23500 lbf radially and 3820 lbf thrust, making it versatile for various applications.

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

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

Weighing 1.5 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for industrial use. The standard radial clearance ensures easy installation and maintenance.

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Product Parameters

  • Part Number 3479-3420
  • Brand TFL
  • Interchangeable Timken
  • Size 1.4375" x 3.125" x 1.1563"
  • Bore Dia 1.4375"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.125"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.1721"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.9375"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.1563"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.03"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 1.75"
  • Cone Backface Backing Diameter 1.79"
  • Cup Frontface Backing Diameter 2.94"
  • Cup Backface Backing Diameter 2.64"
  • Cage Cone Frontface Clearance 0.05"
  • Cage Cone Backface Clearance 0.04"
  • Effective Center Location -0.34"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 3479
  • Cup Part Number 3420
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 3400
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 23500 lbf
  • Static Radial Load 26800 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 6100 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 3820 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 1.500 lb

Features

Performance Features of 3479-3420 Bearing

3479-3420 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 23,500 lbf, making it suitable for heavy-duty applications.

The steel cage ensures proper roller alignment, reducing friction and enhancing durability.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

3479-3420 Bearing requires lubrication, ensuring smooth operation and extended service life.
Its standard radial clearance options provide flexibility for different installation needs.

Application

Industrial Uses of 3479-3420 Bearing
3479-3420 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, 3479-3420 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a straightforward replacement for Timken equivalents in many vehicles.

For industrial conveyor systems, 3479-3420 Bearing’s open design simplifies lubrication and maintenance, keeping operations smooth. The standard radial clearance offers flexibility for different load and speed requirements.

Where Is 3479-3420 Bearing Used?
You’ll often find 3479-3420 Bearing in mining equipment, where its robust design handles high radial and thrust loads. The steel cage adds extra strength, making it suitable for rough conditions.

In power transmission systems, 3479-3420 Bearing supports shafts and gears, ensuring efficient energy transfer. Its ABEC-1 rating balances precision and cost for general industrial use.

Built for Heavy-Duty Use: 3479-3420 Bearing
3479-3420 Bearing excels in forestry machinery, enduring shocks and vibrations with ease. The tapered rollers distribute loads evenly, reducing wear over time.

For railway applications, 3479-3420 Bearing’s temperature range (-30° to 110°C) ensures reliability in varying climates. Its dynamic radial load capacity of 23,500 lbf makes it a dependable choice.

Automotive vs Aerospace: Applications of 3479-3420 Bearing
In automotive settings, 3479-3420 Bearing is ideal for drivetrain components, offering a balance of strength and affordability. The inch measurements simplify integration with existing designs.

While not typically used in aerospace, 3479-3420 Bearing suits ground support equipment, where its durability and ease of maintenance are valued. The open seal type allows for quick inspections and relubrication.

Q&A

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