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33287A-33472DC TDO (Two-Row Double-Outer Race) (Imperial)

33287A-33472DC TDO (Two-Row Double-Outer Race) (Imperial)

The 33287A-33472DC is a double-row tapered roller bearing with a 2.875″ 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 in demanding conditions.

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

This model is part of the 33000 series, known for reliability in heavy-duty applications. Ideal for use in industrial machinery or vehicle axles where high radial and thrust loads are common.

Weighing 7.1 lbs, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for most applications. Standard radial clearance ensures easy installation and maintenance.

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Product Parameters

  • Part Number 33287A-33472DC
  • Brand TFL
  • Size 2.875" x 4.7244" x 1.1875"
  • Bore Dia 2.875"
  • 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 3.23"
  • 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 33287A
  • 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 7.100 lb

Features

How Is 33287A-33472DC Bearing Engineered for Reliability?

33287A-33472DC Bearing features a double-row tapered roller design, providing strong resistance to combined radial and thrust loads.
Its chrome steel construction ensures durability, with a dynamic radial load capacity of 54,200 lbf.

The steel cage maintains roller alignment, reducing friction and extending service life.
With a standard radial clearance and ABEC-1 rating, it offers consistent performance in various applications.

33287A-33472DC 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 33287A-33472DC Bearing
33287A-33472DC Bearing is commonly used in heavy machinery like construction equipment, where its double-row design handles combined radial and thrust loads effectively. The chrome steel construction ensures durability even in demanding environments.

What Makes 33287A-33472DC Bearing a Preferred Choice?
In automotive applications, 33287A-33472DC Bearing is ideal for wheel hubs and differential systems, thanks to its robust tapered roller design. The inch sizing makes it compatible with many North American vehicle models.

Built for Heavy-Duty Use: 33287A-33472DC Bearing
This bearing excels in industrial gearboxes, where its open seal type allows for easy lubrication and maintenance. The standard radial clearance ensures smooth operation under varying loads.

Automotive vs Aerospace: Applications of 33287A-33472DC Bearing
In automotive settings, 33287A-33472DC Bearing supports high-load components like axles, while in aerospace, it’s used in landing gear systems. Its steel cage provides reliable performance in both scenarios.

Where Is 33287A-33472DC Bearing Used?
You’ll find 33287A-33472DC Bearing in agricultural machinery, where its tapered rollers handle uneven loads with ease. The ABEC-1 rating ensures consistent performance without unnecessary precision costs.

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