+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
33891-33821DC TDO (Two-Row Double-Outer Race) (Imperial)

33891-33821DC TDO (Two-Row Double-Outer Race) (Imperial)

The 33891-33821DC is a double-row tapered roller bearing with a 2.0625″ bore and 3.75″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 50,800 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 from -30°C to 110°C, making it versatile for various environments.

This model features a standard radial clearance and is ABEC-1 rated, suitable for applications requiring reliable performance. Ideal for heavy-duty machinery or industrial equipment where combined loads are common.

Weighing 3.9 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for most industrial applications.

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

Product Parameters

  • Part Number 33891-33821DC
  • Brand TFL
  • Size 2.0625" x 3.75" x 1.125"
  • Bore Dia 2.0625"
  • 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 2.6"
  • 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 33891
  • 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 3.9 lb

Features

Performance Features of 33891-33821DC Bearing

33891-33821DC Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 50,800 lbf, ensuring reliable performance in heavy-duty applications.

The double-row tapered roller design distributes loads evenly, reducing wear and extending service life.
With a standard radial clearance, it provides smooth operation and easy installation.

33891-33821DC Bearing operates efficiently within a temperature range of -30° to 110°C.
Its steel cage keeps the rollers aligned, maintaining stability even under high stress.

The open seal design allows for easy lubrication, ensuring consistent performance.
This bearing is ideal for applications requiring durability and precision in imperial measurements.

Application

Industrial Uses of 33891-33821DC Bearing
The 33891-33821DC Bearing is commonly used in heavy machinery like construction equipment, where its double-row design handles combined radial and thrust loads efficiently. Its chrome steel construction ensures durability in demanding environments.

Where Is 33891-33821DC Bearing Used?
You’ll often find 33891-33821DC Bearing in agricultural machinery, supporting components like gearboxes and wheel hubs. Its tapered roller design provides reliable performance even under heavy loads.

Built for Heavy-Duty Use: 33891-33821DC Bearing
33891-33821DC Bearing excels in mining equipment, where its robust construction withstands harsh conditions. The open seal type allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 33891-33821DC Bearing
In automotive applications, 33891-33821DC Bearing is ideal for truck wheel hubs, offering stability under high loads. For aerospace, its precision makes it suitable for auxiliary systems requiring reliable performance.

Practical Applications of 33891-33821DC Bearing
33891-33821DC Bearing is a go-to choice for industrial fans, where its tapered rollers manage both radial and axial forces. The standard radial clearance ensures smooth operation in various temperature conditions.

Q&A

SEND INQUIRY