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3474-3423D TDO (Two-Row Double-Outer Race) (Imperial)

3474-3423D TDO (Two-Row Double-Outer Race) (Imperial)

The 3474-3423D is a double-row tapered roller bearing with a 1.1875″ 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.

Its open design allows easy lubrication, while the steel cage ensures smooth operation. The bearing works well in temperatures from -30°C to 110°C, making it versatile for various conditions.

This model is part of the 3400 series, with standard radial clearance and ABEC-1 precision. Ideal for heavy-duty applications like gearboxes or industrial machinery where combined loads are common.

Weighing 4.05 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 3474-3423D
  • Brand TFL
  • Size 1.1875" x 3.25" x 1.1721"
  • Bore Dia 1.1875"
  • 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 1.61"
  • 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 3474
  • 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 4.05 lb

Features

Performance Features of 3474-3423D Bearing

3474-3423D Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 41,000 lbf, ensuring reliable performance in heavy-duty applications.

The double-row tapered roller design of 3474-3423D Bearing provides stability under varying load conditions.
With a standard radial clearance, it balances precision and durability for industrial use.

3474-3423D Bearing operates efficiently within a temperature range of -30° to 110°C.
Its steel cage maintains roller alignment, reducing friction and extending service life.

Designed for easy lubrication, 3474-3423D Bearing simplifies maintenance while ensuring smooth operation.
The inch-sized dimensions make it compatible with a wide range of industrial equipment.

Application

Industrial Uses of 3474-3423D Bearing
The 3474-3423D 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 in demanding environments.

Where Is 3474-3423D Bearing Used?
You’ll often find 3474-3423D Bearing in agricultural machinery, like tractors and harvesters, where its tapered roller design provides reliable performance under varying loads. The open seal type allows for easy lubrication, extending its service life.

Built for Heavy-Duty Use: 3474-3423D Bearing
In automotive applications, 3474-3423D Bearing supports wheel hubs and differential systems, offering stability and smooth operation. Its inch sizing makes it compatible with many North American vehicle models.

Automotive vs Aerospace: Applications of 3474-3423D Bearing
While 3474-3423D Bearing is popular in trucks and off-road vehicles for its load capacity, it’s also suitable for aerospace ground support equipment. The standard radial clearance ensures consistent performance across different temperatures.

Key Fields for 3474-3423D Bearing
For industrial fans and pumps, 3474-3423D Bearing’s tapered rollers reduce friction, improving energy efficiency. The steel cage adds strength, making it a reliable choice for continuous operation.

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