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27689-27626DA TDO (Two-Row Double-Outer Race) (Imperial)

27689-27626DA TDO (Two-Row Double-Outer Race) (Imperial)

The 27689-27626DA is a two-row tapered roller bearing with a 3.28″ bore and 5.38″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 45,900 lbf and works well in temperatures from -30°C to 110°C.

Its double-row design provides extra stability, while the open seal allows for easy lubrication. The steel cage ensures durability, making it suitable for heavy-duty applications.

This bearing is ideal for industrial machinery or vehicle axles where both radial and thrust loads are present. It comes in standard radial clearance but can also be ordered in C3, C4, or C5 options.

Weighing 6.6 lb, it’s a robust choice for demanding environments. Compliant with RoHS and REACH standards, it offers reliable performance for various engineering needs.

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Product Parameters

  • Part Number 27689-27626DA
  • Brand TFL
  • Size 3.2813" x 5.375" x 1"
  • Bore Dia 3.2813"
  • Bore Dia Tolerance +0.001" 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 3.54"
  • 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 27689
  • 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 6.6 lb

Features

How Is 27689-27626DA Bearing Engineered for Reliability?

27689-27626DA Bearing features a double-row tapered roller design, providing strong resistance to combined loads.
Its chrome steel construction ensures durability, even under dynamic radial loads up to 45,900 lbf.
The standard radial clearance and ABEC-1 rating make it suitable for various industrial applications.
With a temperature range of -30° to 110°C, it performs reliably in diverse conditions.

Structural Advantages of 27689-27626DA Bearing

27689-27626DA Bearing’s double-row design enhances load distribution, reducing stress on individual rollers.
The chrome steel rollers and rings offer excellent wear resistance, extending the bearing’s service life.
Its standard radial clearance allows for smooth operation in most industrial settings.
The open seal type simplifies maintenance, ensuring long-term reliability.

Why Choose 27689-27626DA Bearing for Precision Tasks?

27689-27626DA Bearing’s tapered roller design ensures precise alignment under combined loads.
The steel cage maintains roller spacing, reducing friction and improving efficiency.
With a dynamic radial rating of 11,900 lbf for two rows, it handles heavy-duty applications with ease.
Its inch measurements and standard construction make it versatile for various machinery needs.

Application

Industrial Uses of 27689-27626DA Bearing
The 27689-27626DA 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 efficiently.
Its chrome steel construction ensures durability in demanding environments, making it a reliable choice for long-term use.

Where Is 27689-27626DA Bearing Used?
You’ll often find the 27689-27626DA Bearing in agricultural machinery, like tractors and harvesters, where its tapered roller design provides stability under heavy loads.
The inch sizing makes it compatible with a variety of North American equipment, simplifying replacements and maintenance.

Built for Heavy-Duty Use: 27689-27626DA Bearing
In industrial gearboxes, the 27689-27626DA Bearing excels due to its ability to manage high dynamic radial loads.
The open seal type allows for easy lubrication, ensuring smooth operation even in continuous-use scenarios.

Automotive vs Aerospace: Applications of 27689-27626DA Bearing
In automotive applications, the 27689-27626DA Bearing supports axle systems, offering reliable performance under varying loads.
For aerospace ground equipment, its precision and durability make it suitable for handling heavy loads with minimal maintenance.

Perfect Fit for Automation: 27689-27626DA Bearing
The 27689-27626DA Bearing is ideal for automated conveyor systems, where its double-row design ensures consistent performance.
Its standard radial clearance options allow for flexibility in different operational conditions, enhancing versatility.

Q&A

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