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33821 Single Cups (Imperial)

33821 Single Cups (Imperial)

The 33821 is a single cup tapered roller bearing with a 3.75″ outer diameter and 0.875″ width, made from sturdy chrome steel. It fits well with Timken bearings, making it a handy replacement option.

Designed for standard use, it operates smoothly in temperatures from -30°C to 110°C. Its ABEC-1 rating ensures reliable performance for general applications.

The cup features precise tolerances and a 0.09″ backface radius for easy installation. It pairs with several bearing part numbers, offering flexibility in use.

Ideal for industrial machinery or automotive systems where tapered roller bearings are needed. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 33821
  • Brand TFL
  • Interchangeable Timken
  • Size 3.35" x 3.75" x 0.875"
  • Outer Dia 3.75"
  • Outer Dia Tolerance +0.001" to 0
  • Cup Width 0.875"
  • Cup Width Tolerance +0.002" to -0.01
  • Cup Backface ToClear Radius 0.09"
  • Cup Frontface Backing Diameter 3.56"
  • Cup Backface Backing Diameter 3.35"
  • System of Measurement Inch
  • Roller Bearing Type Tapered
  • Type Cups
  • Bearing Part Number 33880-33821 , 33885-33821 , 33889-33821 , 33890-33821 , 33891-33821 , 33895-33821
  • Cups Type Standard
  • Series 33800
  • Ring Material Chrome Steel
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • RoHS Compliant
  • REACH Compliant

Features

Performance Features of 33821 Bearing

33821 Bearing is crafted from chrome steel, offering durability and resistance to wear in various applications.
Its tapered roller design ensures efficient load distribution, enhancing performance under stress.

The standard cup type and ABEC-1 rating provide reliable precision for industrial use.
With a temperature range of -30° to 110°C, it performs well in diverse environments.

Interchangeable with Timken models, 33821 Bearing simplifies replacements and maintenance.
Its inch measurements and precise tolerances ensure compatibility and ease of installation.

Application

Industrial Uses of 33821 Bearing
33821 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered design handles radial and axial loads efficiently. The chrome steel construction ensures durability in tough working conditions.

Where Is 33821 Bearing Used?
You’ll often spot 33821 Bearing in automotive applications, particularly in wheel hubs and differential systems. Its inch sizing makes it a go-to choice for vehicles using imperial measurements.

Built for Heavy-Duty Use: 33821 Bearing
33821 Bearing excels in industrial conveyor systems, thanks to its robust tapered roller design. The standard cup type simplifies installation and maintenance in high-load environments.

Automotive vs Industrial: Applications of 33821 Bearing
In automotive settings, 33821 Bearing supports smooth wheel rotation, while in industrial gearboxes, it manages high torque demands. Its compatibility with Timken models adds to its versatility.

Essential Roles of 33821 Bearing
33821 Bearing plays a key role in mining equipment, where its tapered rollers distribute loads evenly. The ABEC-1 rating ensures reliable performance without over-engineering for most applications.

Q&A

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