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27680-27626DA TDO (Two-Row Double-Outer Race) (Imperial)

27680-27626DA TDO (Two-Row Double-Outer Race) (Imperial)

The 27680-27626DA is a two-row tapered roller bearing with a 2.875″ bore and 5.375″ outer diameter, built from sturdy chrome steel for long-lasting performance.
It handles combined loads up to 45900 lbf, with a dynamic radial rating of 11900 lbf for two-row operation, making it suitable for heavy-duty applications.
The open design allows for easy lubrication, while the steel cage ensures smooth operation even under high stress.

This bearing works well in temperatures from -30°C to 110°C, ideal for industrial machinery or vehicle systems where reliability is key.
Its standard radial clearance and ABEC-1 rating offer consistent performance without needing precision adjustments.
Weighing 7.66 lb, it’s robust yet manageable for its size, compliant with RoHS and REACH standards.

The double-row design provides extra stability, perfect for applications with both radial and thrust loads.
With interchangeable cups and cones, maintenance and replacements are straightforward.
A practical choice for equipment like gearboxes or axle systems where durability matters.

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Product Parameters

  • Part Number 27680-27626DA
  • Brand TFL
  • Size 2.875" x 5.375" x 1"
  • Bore Dia 2.875"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 5.375"
  • 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"
  • Cup Frontface Backing Diameter 4.87"
  • Cage Cone Backface Clearance 0.05"
  • Dynamic Radial Load 45900 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 27680
  • Cup Part Number 27626DA
  • 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 7.660 lb

Features

How Is 27680-27626DA Bearing Engineered for Reliability?

27680-27626DA Bearing features a double-row tapered roller design, providing strong resistance to combined radial and thrust loads.
Its chrome steel construction ensures durability and long service life in demanding applications.

The bearing’s dynamic radial load capacity reaches 45,900 lbf, making it suitable for heavy-duty use.
With a standard radial clearance, it offers reliable performance across various operating conditions.

27680-27626DA Bearing operates within a temperature range of -30° to 110°C, ensuring versatility in different environments.
Its steel cage maintains roller alignment, reducing wear and enhancing efficiency.

The open seal design simplifies maintenance while the inch system measurements ensure compatibility with imperial machinery.
This bearing is RoHS and REACH compliant, meeting international environmental standards.

Application

Industrial Uses of 27680-27626DA Bearing
27680-27626DA Bearing is commonly used in heavy machinery, such as construction equipment and mining vehicles, where its double-row design handles combined radial and thrust loads effectively. The chrome steel construction ensures durability in tough working conditions.
In automotive applications, 27680-27626DA Bearing supports wheel hubs and differential systems, providing reliable performance under varying loads. Its inch sizing makes it a preferred choice for American and British vehicle models.

Where Is 27680-27626DA Bearing Used?
You’ll often find 27680-27626DA Bearing in agricultural machinery, like tractors and harvesters, where its tapered roller design manages heavy loads smoothly. The open seal type allows for easy lubrication, extending its service life.
For industrial fans and pumps, 27680-27626DA Bearing offers stability and reduces vibration, ensuring consistent operation over long periods. Its standard radial clearance makes it versatile for various setups.

Built for Heavy-Duty Use: 27680-27626DA Bearing
27680-27626DA Bearing excels in railway applications, particularly in axle boxes, where its double-row configuration distributes loads evenly. The steel cage enhances strength, making it suitable for high-impact environments.
In material handling systems, 27680-27626DA Bearing ensures smooth conveyor belt operation, even under continuous use. Its ABEC-1 rating provides a balance of precision and affordability for general industrial needs.

Automotive vs Aerospace: Applications of 27680-27626DA Bearing
In automotive settings, 27680-27626DA Bearing is ideal for heavy trucks and buses, handling both radial and thrust forces efficiently. The inch measurements ensure compatibility with a wide range of vehicle designs.
For aerospace ground equipment, 27680-27626DA Bearing supports landing gear testing rigs, where its robust construction meets demanding performance standards. The temperature range suits various operational climates.

Q&A

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