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

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

The 28995-28921D 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 41500 lbf and is designed for long-lasting performance.

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 conditions.

This model is part of the 28900 series and comes with standard radial clearance. Ideal for heavy-duty applications like truck axles or industrial gearboxes where combined loads are common.

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

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Product Parameters

  • Part Number 28995-28921D
  • 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 28921D
  • 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 28995-28921D Bearing

28995-28921D Bearing is built with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 41,500 lbf, making it suitable for heavy-duty applications.

The double-row tapered roller design ensures stability and efficient load distribution.
With a standard radial clearance, it provides reliable operation in various conditions.

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

This bearing requires lubrication but offers durability and consistent performance.
Its inch measurements make it compatible with imperial system machinery.

Application

Industrial Uses of 28995-28921D Bearing
The 28995-28921D 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. Its chrome steel construction ensures durability in rugged environments.

In automotive applications, 28995-28921D Bearing supports wheel hubs and drivetrain components, providing reliable performance under high stress. The inch sizing makes it a preferred choice for North American vehicle models.

For industrial conveyor systems, 28995-28921D Bearing’s tapered roller design offers smooth operation and long service life. The open seal type allows for easy lubrication, reducing maintenance downtime.

Why Is 28995-28921D Bearing Essential in Machinery?
The 28995-28921D Bearing’s ability to handle heavy loads makes it ideal for mining equipment and gearboxes. Its standard radial clearance ensures consistent performance in varying temperatures.

Built for Heavy-Duty Use: 28995-28921D Bearing
This bearing excels in applications like crane hooks and railcar axles, where its double-row construction distributes loads evenly. The steel cage adds strength, making it suitable for high-impact scenarios.

Automotive vs Aerospace: Applications of 28995-28921D Bearing
In automotive systems, 28995-28921D Bearing is trusted for differentials and axles, while in aerospace, its precision supports landing gear mechanisms. The ABEC-1 rating balances performance and cost-effectiveness.

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