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28995-28921DC TDO (Two-Row Double-Outer Race) (Imperial)

28995-28921DC TDO (Two-Row Double-Outer Race) (Imperial)

The 28995-28921DC is a double-row tapered roller bearing with a 2.47″ bore and 3.937″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 41,500 lbf and is designed for long-lasting performance in demanding conditions.

Its open design allows for easy lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures from -30°C to 110°C, making it versatile for various environments.

This model is part of the 28900 series and meets ABEC-1 standards. Ideal for heavy-duty applications like industrial gearboxes or vehicle axles where combined loads are common.

Weighing 3.37 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH regulations for safe use.

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Product Parameters

  • Part Number 28995-28921DC
  • Brand TFL
  • Size 2.47" x 3.937" x 1"
  • Bore Dia 2.47"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.937"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 1.75"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 1"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 2.1874"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 2.95"
  • Cup Frontface Backing Diameter 3.82"
  • Cage Cone Backface Clearance 0.05"
  • Dynamic Radial Load 41500 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 28995
  • Cup Part Number 28921DC
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 28900
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 6180 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 4500 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 10800 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 3.37 lb

Features

Performance Features of 28995-28921DC Bearing

28995-28921DC Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 41,500 lbf, ensuring reliable performance in heavy-duty applications.

The double-row tapered roller design provides stability and even load distribution.
With a standard radial clearance, it balances durability and precision in various conditions.

28995-28921DC Bearing operates efficiently within a temperature range of -30° to 110°C.
Its steel cage maintains roller alignment, reducing wear and extending service life.

The open design allows for easy lubrication, ensuring smooth operation over time.
Weighing just 3.37 lb, it combines strength with manageable handling.

Application

Industrial Uses of 28995-28921DC Bearing
The 28995-28921DC Bearing is commonly used in heavy machinery, such as construction equipment and mining tools, where its double-row design handles combined radial and thrust loads efficiently. Its chrome steel construction ensures durability in demanding environments.

In automotive applications, 28995-28921DC Bearing supports wheel hubs and drivetrains, providing reliable performance under high stress. The inch sizing makes it compatible with many North American vehicle models.

For industrial automation, 28995-28921DC Bearing’s tapered roller design offers smooth operation in conveyor systems and robotic arms. The open seal type allows for easy lubrication, extending its service life.

What Makes 28995-28921DC Bearing a Preferred Choice?
The 28995-28921DC Bearing stands out in applications requiring high load capacity, such as agricultural machinery and gearboxes. Its standard radial clearance ensures consistent performance across various temperatures.

Built for Heavy-Duty Use: 28995-28921DC Bearing
This bearing excels in environments like steel mills and paper plants, where its steel cage and chrome steel rollers resist wear. The ABEC-1 rating balances precision and cost-effectiveness for industrial needs.

Automotive vs Aerospace: Applications of 28995-28921DC Bearing
In automotive systems, 28995-28921DC Bearing handles wheel and transmission loads, while in aerospace, it’s suited for auxiliary equipment due to its robust construction. The temperature range of -30° to 110°C ensures reliability in diverse conditions.

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