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3476-3423D TDO (Two-Row Double-Outer Race) (Imperial)

3476-3423D TDO (Two-Row Double-Outer Race) (Imperial)

The 3476-3423D is a two-row tapered roller bearing with a 1.25″ bore and 3.25″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 41000 lbf and is designed for long-lasting performance in demanding conditions.

Its double-row construction provides extra stability, while the open design allows for easy lubrication. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model fits standard applications and is part of the 3400 series, known for reliability. Ideal for heavy machinery or automotive uses where combined loads are common.

Weighing 3.97 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, ensuring safe and eco-friendly use.

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Product Parameters

  • Part Number 3476-3423D
  • Brand TFL
  • Size 1.25" x 3.25" x 1.1721"
  • Bore Dia 1.25"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.25"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 2.1875"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 1.1721"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 2.6251"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 1.69"
  • Cup Frontface Backing Diameter 2.99"
  • Cage Cone Backface Clearance 0.04"
  • Dynamic Radial Load 41000 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 3476
  • Cup Part Number 3423D
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 3400
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 6100 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 3820 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 10600 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 3.97 lb

Features

How Does 3476-3423D Bearing Handle Combined Loads?

3476-3423D Bearing features a double-row tapered roller design, ideal for handling both radial and thrust loads.
Its chrome steel construction ensures durability, with a dynamic radial load capacity of 41,000 lbf.

The steel cage maintains roller alignment, reducing friction and extending service life.
With a standard radial clearance, it offers reliable performance in various applications.

3476-3423D Bearing operates efficiently within a temperature range of -30° to 110°C.
Its open design allows for easy lubrication, ensuring smooth operation over time.

Application

Industrial Uses of 3476-3423D Bearing
The 3476-3423D Bearing is commonly used in heavy machinery, such as construction equipment and mining tools, where its double-row design handles combined radial and thrust loads efficiently.
Its chrome steel construction ensures durability even in demanding environments, making it a reliable choice for long-term use.

Where Is 3476-3423D Bearing Used?
You’ll often find the 3476-3423D Bearing in automotive applications like truck wheel hubs, where its tapered roller design provides smooth performance under heavy loads.
The inch sizing makes it compatible with many North American vehicle models, simplifying maintenance and replacements.

Built for Heavy-Duty Use: 3476-3423D Bearing
This bearing excels in industrial gearboxes, where its open design allows for easy lubrication and maintenance.
The steel cage enhances stability, ensuring consistent performance even at high speeds.

Automotive vs Aerospace: Applications of 3476-3423D Bearing
In automotive systems, the 3476-3423D Bearing supports heavy loads in axles and differentials, while in aerospace, it’s used in landing gear for its reliability.
The standard radial clearance options make it adaptable to various precision requirements.

Perfect Fit for Automation: 3476-3423D Bearing
The 3476-3423D Bearing is ideal for robotic arms and conveyor systems, where its combined load capacity ensures smooth operation.
Its ABEC-1 rating provides a balance of precision and affordability for industrial automation needs.

Q&A

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