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27680-27620DA TDO (Two-Row Double-Outer Race) (Imperial)

27680-27620DA TDO (Two-Row Double-Outer Race) (Imperial)

The 27680-27620DA is a two-row tapered roller bearing with a 2.875″ bore and 4.9375″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 45900 lbf and is designed for long-lasting performance in demanding conditions.

Its double-row construction provides extra stability, while the open design allows for easy lubrication. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model is part of the 27600 series, with standard radial clearance and ABEC-1 precision. Ideal for heavy-duty applications like truck axles or industrial gearboxes where reliability is key.

Weighing 6.12 lb, it’s a robust choice for machinery requiring high load capacity. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 27680-27620DA
  • Brand TFL
  • Size 2.875" x 4.9375" x 1"
  • Bore Dia 2.875"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.9375"
  • 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 2.1873"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 3.46"
  • Cage Cone Backface Clearance 0.05"
  • Dynamic Radial Load 45900 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 27680
  • Cup Part Number 27620DA
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 27600
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 6830 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 4860 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 11900 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 6.12 lb

Features

Engineered for Precision: 27680-27620DA Bearing

27680-27620DA Bearing features a double-row tapered roller design, ideal for handling combined radial and thrust loads.
Its chrome steel construction ensures durability and resistance to wear in demanding applications.

With a dynamic radial load capacity of 45,900 lbf, 27680-27620DA Bearing delivers reliable performance under heavy loads.
The steel cage maintains proper roller alignment, enhancing stability and extending service life.

27680-27620DA Bearing operates efficiently within a temperature range of -30° to 110°C.
Its standard radial clearance options provide flexibility for various industrial needs.

Application

Industrial Uses of 27680-27620DA Bearing
The 27680-27620DA 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 effectively.
Its chrome steel construction ensures durability in harsh environments, making it a reliable choice for long-term use.

What Makes 27680-27620DA Bearing a Preferred Choice?
In automotive applications, the 27680-27620DA Bearing supports wheel hubs and differential systems, providing smooth performance under heavy loads.
The inch sizing makes it compatible with many American-made vehicles, offering versatility across different models.

Built for Heavy-Duty Use: 27680-27620DA Bearing
For industrial conveyors and material handling systems, the 27680-27620DA Bearing’s tapered roller design ensures efficient load distribution.
Its open seal type allows for easy lubrication, reducing maintenance downtime in high-demand settings.

Automotive vs Aerospace: Applications of 27680-27620DA Bearing
In automotive settings, the 27680-27620DA Bearing excels in transmissions and axles, where its combined load capacity is essential.
For aerospace ground equipment, its precision and reliability make it suitable for support machinery, though not for flight-critical components.

Key Fields for 27680-27620DA Bearing
The 27680-27620DA Bearing is ideal for agricultural machinery, such as tractors and harvesters, where its robust design withstands rough conditions.
Its standard radial clearance and ABEC-1 rating ensure consistent performance without requiring high-precision adjustments.

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