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27691-27620DA TDO (Two-Row Double-Outer Race) (Imperial)

27691-27620DA TDO (Two-Row Double-Outer Race) (Imperial)

The 27691-27620DA is a double-row tapered roller bearing with a 3.28″ bore and 4.94″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 45900 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 features a standard radial clearance and is ABEC-1 rated for reliable precision. Ideal for heavy-duty applications like truck axles or industrial gearboxes where combined loads are common.

Weighing 4.87 lbs, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for most industrial settings.

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Product Parameters

  • Part Number 27691-27620DA
  • Brand TFL
  • Size 3.2813" x 4.9375" x 1"
  • Bore Dia 3.2813"
  • Bore Dia Tolerance +0.001" 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 4.02"
  • Cage Cone Backface Clearance 0.05"
  • Dynamic Radial Load 45900 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 27691
  • 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 4.870 lb

Features

Performance Features of 27691-27620DA Bearing

27691-27620DA Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 45,900 lbf, ensuring reliable performance in heavy-duty applications.

The double-row tapered roller design of 27691-27620DA Bearing provides stability and even load distribution.
This construction enhances its ability to handle both radial and thrust loads efficiently.

27691-27620DA Bearing operates smoothly within a temperature range of -30° to 110°C.
Its steel cage maintains roller alignment, reducing wear and extending service life.

With standard radial clearance options, 27691-27620DA Bearing offers flexibility for various applications.
The open design allows for easy lubrication, ensuring consistent performance over time.

Application

Industrial Uses of 27691-27620DA Bearing
The 27691-27620DA Bearing is commonly used in heavy machinery like construction equipment and mining rigs, where its double-row design handles combined radial and thrust loads efficiently.
Its chrome steel construction ensures durability even in demanding environments, making it a reliable choice for long-term use.

Where Is 27691-27620DA Bearing Used?
You’ll often find 27691-27620DA Bearing in agricultural machinery, such as tractors and harvesters, where its tapered rollers provide smooth operation under heavy loads.
The inch sizing makes it compatible with many North American equipment standards, simplifying replacements and upgrades.

Built for Heavy-Duty Use: 27691-27620DA Bearing
This bearing excels in industrial gearboxes and drivetrains, where its open design allows for easy lubrication and maintenance.
The steel cage adds strength, ensuring consistent performance even under high stress and frequent use.

Automotive vs Aerospace: Applications of 27691-27620DA Bearing
In automotive applications, 27691-27620DA Bearing supports axles and wheel hubs, offering stability under varying loads.
While not typically used in aerospace, its precision and durability make it suitable for ground support equipment and heavy transport vehicles.

Essential Roles of 27691-27620DA Bearing
For conveyor systems and material handling equipment, 27691-27620DA Bearing provides reliable performance with its standard radial clearance.
The ABEC-1 rating ensures adequate precision for most industrial applications without unnecessary cost.

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