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33885-33821D TDO (Two-Row Double-Outer Race) (Imperial)

33885-33821D TDO (Two-Row Double-Outer Race) (Imperial)

The 33885-33821D is a two-row tapered roller bearing with a 1.75″ bore and 3.75″ outer diameter, built from sturdy chrome steel for long-lasting performance. It handles combined loads up to 50800 lbf and works well in temperatures from -30°C to 110°C.

Its double-row design offers extra stability, while the open seal allows for easy lubrication. The bearing comes in standard radial clearance but can also be ordered in C3, C4, or C5 options.

With a dynamic radial rating of 13200 lbf for two rows, it’s ideal for heavy-duty applications like truck axles or industrial gearboxes. The steel cage ensures smooth operation even under high stress.

Weighing 4.53 lb, it’s a robust choice for machinery requiring reliable load support. Compliant with RoHS and REACH standards, it’s a safe and durable option for various industrial uses.

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Product Parameters

  • Part Number 33885-33821D
  • Brand TFL
  • Size 1.75" x 3.75" x 1.125"
  • Bore Dia 1.75"
  • 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 2.09"
  • 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 33885
  • Cup Part Number 33821D
  • 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 4.53 lb

Features

Why Choose 33885-33821D Bearing for Combined Loads?

33885-33821D Bearing features a double-row tapered roller design, ideal for handling both radial and thrust loads.
Its chrome steel construction ensures durability, with a dynamic radial load capacity of 50,800 lbf.

The precision-engineered cage maintains roller alignment, reducing friction and wear.
With standard radial clearance options, it offers flexibility for various applications.

33885-33821D Bearing operates efficiently within a temperature range of -30° to 110°C.
Its open design allows for easy lubrication, ensuring smooth performance over time.

Application

Industrial Uses of 33885-33821D Bearing
33885-33821D Bearing is commonly used in heavy machinery like construction equipment and agricultural vehicles, where its double-row design handles combined radial and thrust loads efficiently. The chrome steel construction ensures durability even in demanding environments.

What Makes 33885-33821D Bearing a Preferred Choice?
In automotive applications, 33885-33821D Bearing supports wheel hubs and differential systems, providing reliable performance under varying loads. Its inch sizing makes it a practical fit for American and British vehicle models.

Built for Heavy-Duty Use: 33885-33821D Bearing
For industrial automation, 33885-33821D Bearing excels in conveyor systems and robotic arms, where its open design allows for easy lubrication. The steel cage enhances stability during high-speed operations.

Automotive vs Aerospace: Applications of 33885-33821D Bearing
In automotive settings, 33885-33821D Bearing is ideal for transmissions and axles, while in aerospace, it supports auxiliary systems requiring precise load management. The temperature range ensures performance in diverse conditions.

Essential Roles of 33885-33821D Bearing
33885-33821D Bearing is often found in mining equipment, where its robust construction withstands extreme loads and harsh environments. The standard radial clearance offers flexibility for various operational needs.

Q&A

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