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TS (Single Row Tapered Roller Bearings) (Imperial) 3479-3431

TS (Single Row Tapered Roller Bearings) (Imperial) 3479-3431

The 3479-3431 is a single-row tapered roller bearing with a 1.4375″ bore and 3.25″ 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 easy lubrication, while the steel cage ensures reliable performance. The bearing operates smoothly in temperatures ranging from -30°C to 110°C, suitable for demanding environments.

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 1.7 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 3479-3431
  • Brand TFL
  • Interchangeable Timken
  • Size 1.4375" x 3.25" x 1.1563"
  • Bore Dia 1.4375"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.25"
  • 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 2.99"
  • Cup Backface Backing Diameter 2.72"
  • 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 3431
  • 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 1.7 lb

Features

Performance Features of 3479-3431 Bearing

3479-3431 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 23,500 lbf, ensuring reliable performance in demanding conditions.
The steel cage maintains roller alignment, reducing friction and extending service life.
With a temperature range of -30° to 110°C, it performs well in various environments.

How Is 3479-3431 Bearing Engineered for Reliability?

3479-3431 Bearing features a tapered roller design, optimised for handling both radial and thrust loads.
The chrome steel construction enhances durability, even under heavy stress.
Its standard radial clearance allows for smooth operation in diverse applications.
The open seal design simplifies maintenance, reducing long-term costs.

Built for Durability: 3479-3431 Bearing

3479-3431 Bearing’s single-row construction ensures stability and precision in operation.
The steel cage and chrome steel rollers minimise wear, enhancing longevity.
With a static radial load capacity of 26,800 lbf, it excels in high-stress scenarios.
Its ABEC-1 rating guarantees consistent performance for industrial applications.

Steel vs Ceramic Bearings: Strengths of 3479-3431 Bearing

3479-3431 Bearing’s chrome steel rollers provide excellent strength and wear resistance.
The tapered design efficiently distributes loads, reducing stress on individual components.
Its dynamic thrust rating of 3,820 lbf ensures reliable performance under pressure.
The open construction allows for easy lubrication, maintaining smooth operation.

Application

Industrial Uses of 3479-3431 Bearing
The 3479-3431 Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined radial and thrust loads effectively. Its chrome steel construction ensures durability even in demanding environments.

Where Is 3479-3431 Bearing Used?
You’ll often find 3479-3431 Bearing in agricultural machinery, such as tractors and harvesters, where its robust design supports high loads. The inch sizing makes it a good fit for North American equipment standards.

Built for Heavy-Duty Use: 3479-3431 Bearing
In mining applications, 3479-3431 Bearing excels in conveyor systems, thanks to its ability to withstand harsh conditions. The open design allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 3479-3431 Bearing
In automotive wheel hubs, 3479-3431 Bearing provides reliable performance under varying loads. While not typically used in aerospace, its precision makes it suitable for industrial gearboxes.

Essential Roles of 3479-3431 Bearing
For railway applications, 3479-3431 Bearing is a trusted choice due to its high dynamic load capacity. The steel cage adds extra strength, making it ideal for long-haul freight trains.

Q&A

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