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27690-27626DA TDO (Two-Row Double-Outer Race) (Imperial)

27690-27626DA TDO (Two-Row Double-Outer Race) (Imperial)

The 27690-27626DA is a double-row tapered roller bearing with a 3.28″ bore and 5.38″ outer diameter, built from sturdy chrome steel for long-lasting performance. It handles combined loads up to 45900 lbf and is designed for heavy-duty applications.

Its open design allows for easy lubrication, while the steel cage ensures smooth operation even under high stress. The bearing works well in temperatures ranging from -30°C to 110°C, making it versatile for various environments.

This model features a standard radial clearance and is ABEC-1 rated, offering reliable precision for industrial use. Ideal for machinery requiring robust support, such as construction equipment or large gearboxes.

Weighing 6.57 lb, it’s a solid choice for applications where durability and load capacity are key. Compliant with RoHS and REACH standards, it meets international safety and environmental requirements.

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Product Parameters

  • Part Number 27690-27626DA
  • 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 3.78"
  • 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 27690
  • 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 6.57 lb

Features

How Is 27690-27626DA Bearing Engineered for Reliability?

27690-27626DA Bearing features a double-row tapered roller design, providing strong resistance to combined radial and thrust loads.
Its chrome steel construction ensures durability, with a dynamic radial load capacity of 45,900 lbf.
The steel cage maintains proper roller alignment, reducing friction and extending service life.
With a standard radial clearance and ABEC-1 rating, it offers reliable performance in various applications.

What Makes 27690-27626DA Bearing Suitable for High-Temperature Applications?

27690-27626DA Bearing operates effectively within a temperature range of -30° to 110 °C, making it suitable for demanding environments.
Its chrome steel rings and rollers resist wear, even under heavy loads and high temperatures.
The open design allows for easy lubrication, ensuring smooth operation in challenging conditions.
This bearing is ideal for applications requiring consistent performance in varying temperatures.

Built for Durability: 27690-27626DA Bearing

27690-27626DA Bearing is constructed with high-quality chrome steel, offering excellent strength and longevity.
Its double-row design distributes loads evenly, reducing stress on individual rollers.
The steel cage ensures proper roller spacing, minimising wear and maintaining efficiency.
With a dynamic radial rating of 11,900 lbf for two rows, it delivers reliable performance in heavy-duty applications.

Steel vs Ceramic Bearings: Strengths of 27690-27626DA Bearing

27690-27626DA Bearing uses chrome steel for both rings and rollers, providing a balance of strength and cost-effectiveness.
This material choice ensures high load capacity and resistance to wear in demanding conditions.
The steel cage further enhances durability, maintaining roller alignment under stress.
While ceramic options exist, this bearing’s steel construction makes it a practical choice for many industrial applications.

Application

Industrial Uses of 27690-27626DA Bearing
The 27690-27626DA 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 efficiently.
Its chrome steel construction ensures durability in demanding environments, making it a reliable choice for long-term use.

Where Is 27690-27626DA Bearing Used?
You’ll often find 27690-27626DA 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 many North American industrial applications, simplifying replacements.

Built for Heavy-Duty Use: 27690-27626DA Bearing
This bearing excels in applications like gearboxes and drivetrains, where its open design allows for easy lubrication and maintenance.
The steel cage adds strength, ensuring smooth operation even under high stress.

Automotive vs Aerospace: Applications of 27690-27626DA Bearing
In automotive systems, 27690-27626DA Bearing supports axles and wheel hubs, thanks to its robust construction and combined load capacity.
For aerospace, its precision and temperature tolerance make it suitable for auxiliary equipment, though not primary flight systems.

Perfect Fit for Automation: 27690-27626DA Bearing
The 27690-27626DA Bearing is ideal for automated conveyor systems, where its double-row design reduces friction and wear.
Its standard radial clearance ensures consistent performance in high-speed industrial settings.

Q&A

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