+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
33880-33821DC TDO (Two-Row Double-Outer Race) (Imperial)

33880-33821DC TDO (Two-Row Double-Outer Race) (Imperial)

The 33880-33821DC is a double-row tapered roller bearing with a 1.5″ bore and 3.75″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 50800 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 works well in temperatures ranging from -30°C to 110°C, making it suitable for various environments.

This model features a standard radial clearance and is ABEC-1 rated for reliable precision. Ideal for heavy-duty applications like industrial gearboxes or vehicle axles where combined loads are common.

Weighing 4.91 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe and dependable choice for replacements or new installations.

Get A Free Quote
    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number 33880-33821DC
  • Brand TFL
  • Size 1.5" x 3.75" x 1.125"
  • Bore Dia 1.5"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.75"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 2.0624"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 1.125"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 2.5"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 2.13"
  • Cup Frontface Backing Diameter 3.56"
  • Cage Cone Backface Clearance 0.04"
  • Dynamic Radial Load 50800 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 33880
  • Cup Part Number 33821DC
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 33800
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 7560 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 4270 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 13200 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 4.91 lb

Features

How Is 33880-33821DC Bearing Engineered for Reliability?

33880-33821DC 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 50,800 lbf.

The steel cage maintains roller alignment, reducing friction and extending service life.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

33880-33821DC Bearing’s standard radial clearance options offer flexibility for different applications.
Its precise tolerances ensure smooth operation and easy installation.

Application

Industrial Uses of 33880-33821DC Bearing
The 33880-33821DC Bearing is widely used in heavy machinery, such as construction equipment and mining gear, where its double-row design handles combined radial and thrust loads efficiently. Its chrome steel construction ensures durability in tough working conditions.

What Makes 33880-33821DC Bearing a Preferred Choice?
In automotive applications, 33880-33821DC Bearing is often found in wheel hubs and drivetrains, thanks to its ability to manage high dynamic loads. The inch sizing makes it compatible with many North American vehicle models.

Built for Heavy-Duty Use: 33880-33821DC Bearing
This bearing excels in industrial fans and pumps, where its tapered roller design provides smooth operation under varying loads. The open seal type allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 33880-33821DC Bearing
While commonly used in trucks and off-road vehicles, 33880-33821DC Bearing also suits aerospace ground support equipment. Its robust construction meets the demands of both high-impact and precision environments.

Essential Roles of 33880-33821DC Bearing
In agricultural machinery, 33880-33821DC Bearing supports components like gearboxes and PTO shafts, ensuring reliable performance in dusty or wet conditions. The standard radial clearance offers flexibility for different operational needs.

Q&A

SEND INQUIRY