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33251-33472DC TDO (Two-Row Double-Outer Race) (Imperial)

33251-33472DC TDO (Two-Row Double-Outer Race) (Imperial)

The 33251-33472DC is a double-row tapered roller bearing with a 2.5″ bore and 4.7244″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 54200 lbf and is designed for long-lasting performance.

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

This model is part of the 33000 series, known for its reliability in heavy-duty applications. Ideal for industrial machinery or automotive systems where combined loads are common.

Weighing 8.16 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe and dependable choice for demanding environments.

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Product Parameters

  • Part Number 33251-33472DC
  • Brand TFL
  • Size 2.5" x 4.7244" x 1.1875"
  • Bore Dia 2.5"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.7244"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 2.649"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 1.1875"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 3.146"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 2.87"
  • Cup Frontface Backing Diameter 4.49"
  • Cage Cone Backface Clearance 0.07"
  • Dynamic Radial Load 54200 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 33251
  • Cup Part Number 33472DC
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 33000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 8060 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 6020 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 14000 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 8.16 lb

Features

Performance Features of 33251-33472DC Bearing

33251-33472DC Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 54,200 lbf, ensuring reliable performance in heavy-duty applications.

The double-row tapered roller design enhances stability and load distribution.
This construction allows for smooth operation even under demanding conditions.

33251-33472DC Bearing operates efficiently within a temperature range of -30° to 110°C.
Its standard radial clearance options provide flexibility for various industrial needs.

With a weight of 8.16 lb, it balances durability and ease of handling.
The open seal design simplifies maintenance while ensuring long service life.

Application

Industrial Uses of 33251-33472DC Bearing
33251-33472DC 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 effectively. The chrome steel construction ensures durability in tough working conditions.

Where Is 33251-33472DC Bearing Used?
You’ll often find 33251-33472DC Bearing in automotive applications like truck wheel hubs, where its tapered roller design provides stability under heavy loads. The inch sizing makes it a good fit for North American vehicle standards.

Built for Heavy-Duty Use: 33251-33472DC Bearing
33251-33472DC Bearing excels in industrial gearboxes, offering reliable performance even under high stress. Its open design allows for easy lubrication, extending service life in demanding environments.

Automotive vs Aerospace: Applications of 33251-33472DC Bearing
In automotive settings, 33251-33472DC Bearing supports axles and transmissions, while in aerospace, it’s used in landing gear systems. The bearing’s ABEC-1 rating ensures consistent precision for both industries.

Practical Applications of 33251-33472DC Bearing
33251-33472DC Bearing is a solid choice for agricultural machinery, such as tractors, where its tapered rollers handle uneven loads smoothly. The steel cage adds extra strength for long-term use.

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