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27687-27626DA TDO (Two-Row Double-Outer Race) (Imperial)

27687-27626DA TDO (Two-Row Double-Outer Race) (Imperial)

The 27687-27626DA is a double-row tapered roller bearing with a 3.25″ bore and 5.375″ outer diameter, built from sturdy chrome steel. It handles combined loads with a dynamic radial rating of 11900 lbf for two rows, making it robust for heavy-duty use.

Its open design requires lubrication but offers easy maintenance, while the steel cage ensures durability. The bearing operates smoothly in temperatures from -30°C to 110°C, suitable for varied environments.

This model fits standard applications where combined loads are common, such as industrial gearboxes or heavy machinery. With an ABEC-1 rating, it balances precision and affordability.

Weighing 6.66 lb, it’s a solid choice for replacements or upgrades. Compliant with RoHS and REACH standards, it’s safe for widespread use.

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Product Parameters

  • Part Number 27687-27626DA
  • Brand TFL
  • Size 3.25" x 5.375" x 1"
  • Bore Dia 3.25"
  • 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 27687
  • 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 6.66 lb

Features

Performance Features of 27687-27626DA Bearing

27687-27626DA Bearing is built with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 45,900 lbf, ensuring reliability in heavy-duty applications.

The double-row tapered roller design distributes loads evenly, enhancing durability and reducing wear.
With a standard radial clearance, it provides smooth operation across various conditions.

27687-27626DA Bearing operates efficiently within a temperature range of -30° to 110°C.
Its steel cage maintains roller alignment, contributing to long service life and consistent performance.

Application

Industrial Uses of 27687-27626DA Bearing
The 27687-27626DA 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 harsh environments, making it a reliable choice for long-term use.

Where Is 27687-27626DA Bearing Used?
You’ll often find the 27687-27626DA Bearing in agricultural machinery, like tractors and harvesters, where its tapered roller design provides stability under heavy loads.
The open seal type allows for easy lubrication, which is essential in dusty or high-wear conditions.

Built for Heavy-Duty Use: 27687-27626DA Bearing
This bearing excels in industrial gearboxes, where its two-row configuration distributes loads evenly, reducing wear and extending service life.
The standard radial clearance makes it versatile for various applications, from conveyor systems to large fans.

Automotive vs Aerospace: Applications of 27687-27626DA Bearing
In automotive applications, the 27687-27626DA Bearing supports wheel hubs and differentials, thanks to its robust design and combined load capacity.
For aerospace, its precision and reliability make it suitable for auxiliary systems, though it’s more commonly seen in ground support equipment.

What Makes 27687-27626DA Bearing a Preferred Choice?
The 27687-27626DA Bearing is a go-to for railway applications, where its tapered rollers handle dynamic loads from trains and tracks.
Its steel cage and chrome steel rollers ensure consistent performance, even under continuous stress and vibration.

Q&A

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