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TS (Single Row Tapered Roller Bearings) (Imperial) 3490-3420

TS (Single Row Tapered Roller Bearings) (Imperial) 3490-3420

The 3490-3420 is a single-row tapered roller bearing with a 1.5″ bore and 3.125″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 23500 lbf radially and 3820 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 1.4 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 3490-3420
  • Brand TFL
  • Interchangeable Timken
  • Size 1.5" x 3.125" x 1.1563"
  • Bore Dia 1.5"
  • 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 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 1.8"
  • Cone Backface Backing Diameter 2.05"
  • 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 3490
  • 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 1.400 lb

Features

Performance Features of 3490-3420 Bearing

3490-3420 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 23,500 lbf, ensuring reliable performance in various applications.

The single-row tapered roller design enhances stability and load distribution, reducing wear over time.
With a standard radial clearance, it provides flexibility for different operational needs.

3490-3420 Bearing operates efficiently within a temperature range of -30° to 110°C.
The steel cage maintains roller alignment, contributing to smooth and consistent performance.

Installation is straightforward, thanks to the precise cone and cup width tolerances.
This design also helps in reducing maintenance requirements, saving time and effort.

Application

Industrial Uses of 3490-3420 Bearing
The 3490-3420 Bearing is a reliable choice for heavy machinery, such as construction equipment and agricultural gear, where combined loads are common. Its tapered roller design ensures smooth operation even under demanding conditions.

In automotive applications, 3490-3420 Bearing fits well in wheel hubs and differential systems, thanks to its robust chrome steel construction. The imperial sizing makes it a convenient option for North American vehicle models.

For industrial conveyor systems, 3490-3420 Bearing’s open design allows for easy lubrication, extending its service life in high-use environments. The steel cage adds durability, making it suitable for continuous operation.

Why Is 3490-3420 Bearing Essential in Machinery?
3490-3420 Bearing handles both radial and thrust loads efficiently, making it versatile for use in gearboxes and power transmission systems. Its ABEC-1 rating ensures consistent performance across various applications.

The bearing’s standard radial clearance options (C3/C4/C5) provide flexibility for different operational needs. This adaptability makes it a practical choice for maintenance teams in industrial settings.

Built for Heavy-Duty Use: 3490-3420 Bearing
3490-3420 Bearing excels in mining equipment, where its dynamic radial load capacity of 23,500 lbf ensures reliability. The tapered rollers distribute stress evenly, reducing wear over time.

In forestry machinery, the bearing’s temperature range (-30° to 110°C) allows it to perform reliably in harsh outdoor conditions. Its steel cage further enhances resistance to debris and moisture.

Automotive vs Aerospace: Applications of 3490-3420 Bearing
In automotive systems, 3490-3420 Bearing is often used in drivetrains, where its combined load capacity supports smooth power delivery. The inch sizing simplifies integration with existing designs.

For aerospace ground equipment, the bearing’s static radial load rating of 26,800 lbf ensures stability in support structures. Its compliance with RoHS and REACH standards adds an extra layer of reliability.

Q&A

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