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27684A-27626DA TDO (Two-Row Double-Outer Race) (Imperial)

27684A-27626DA TDO (Two-Row Double-Outer Race) (Imperial)

The 27684A-27626DA is a two-row tapered roller bearing with a 3-inch bore and 5.375-inch outer diameter, built from sturdy chrome steel. It handles combined loads up to 43300 lbf and is designed for long-lasting performance in demanding conditions.

Its double-row construction provides excellent radial and thrust capacity, with dynamic ratings of 11200 lbf (radial) and 4590 lbf (thrust) per 90 million revolutions. The open design allows for easy lubrication and maintenance.

This bearing suits applications with heavy radial and axial loads, such as industrial gearboxes or large machinery. It operates smoothly in temperatures from -30°C to 110°C and comes with standard radial clearance.

Weighing 7.38 lb, it’s a robust choice for imperial-sized systems. Compliant with RoHS and REACH standards, it offers reliable performance for replacement or new installations.

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Product Parameters

  • Part Number 27684A-27626DA
  • Brand TFL
  • Size 3" x 5.3750" x 1"
  • Bore Dia 3"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 5.3750"
  • 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 3.35"
  • Cup Frontface Backing Diameter 4.87"
  • Cage Cone Backface Clearance 0.05"
  • Dynamic Radial Load 43300 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 27684A
  • 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) 6450 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 4590 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 11200 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 7.38 lb

Features

How Is 27684A-27626DA Bearing Engineered for Reliability?

27684A-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 under heavy loads.
The dynamic radial load capacity reaches 43,300 lbf, making it suitable for demanding industrial applications.
With a standard radial clearance, it offers reliable performance across various operating conditions.

What Makes 27684A-27626DA Bearing Suitable for High-Temperature Applications?

27684A-27626DA Bearing operates effectively within a temperature range of -30° to 110°C, ensuring stability in varying environments.
The chrome steel rings and rollers maintain their strength and performance even under thermal stress.
Its open design allows for proper lubrication, reducing friction and heat buildup.
This makes it a dependable choice for applications exposed to high temperatures.

Designed for Durability: 27684A-27626DA Bearing

27684A-27626DA Bearing is built with high-quality chrome steel components, enhancing its resistance to wear and tear.
The double-row construction distributes loads evenly, reducing stress on individual rollers.
Its standard radial clearance ensures smooth operation and easy installation.
With a weight of 7.38 lb, it balances robustness and practicality for industrial use.

Application

Industrial Uses of 27684A-27626DA Bearing
27684A-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 effectively. The chrome steel construction ensures durability in tough working conditions.

In automotive applications, 27684A-27626DA Bearing supports wheel hubs and drivetrain components, providing reliable performance under high stress. Its inch sizing makes it a good fit for American-made vehicles and industrial equipment.

For industrial automation, 27684A-27626DA Bearing is often found in conveyor systems and robotic arms, where precision and load capacity are key. The open seal design allows for easy lubrication, extending its service life.

Where Is 27684A-27626DA Bearing Used?
You’ll often spot 27684A-27626DA Bearing in agricultural machinery, like tractors and harvesters, where its tapered roller design handles uneven loads smoothly. The steel cage adds extra strength for long-term use.

In material handling systems, 27684A-27626DA Bearing ensures smooth operation of cranes and forklifts, even under heavy loads. Its standard radial clearance makes it versatile for various industrial settings.

Built for Heavy-Duty Use: 27684A-27626DA Bearing
27684A-27626DA Bearing is a solid choice for wind turbine gearboxes, where its double-row construction manages high radial and axial forces. The ABEC-1 rating ensures consistent performance in demanding environments.

For railway applications, 27684A-27626DA Bearing supports axle boxes, providing stability and reducing wear over time. Its temperature range of -30° to 110°C makes it suitable for diverse climates.

Automotive vs Aerospace: Applications of 27684A-27626DA Bearing
In automotive systems, 27684A-27626DA Bearing is ideal for heavy trucks and buses, offering reliable load handling. The inch measurements align well with North American manufacturing standards.

For aerospace ground equipment, 27684A-27626DA Bearing is used in cargo loaders and maintenance tools, where precision and durability are critical. Its chrome steel rollers ensure smooth operation under frequent use.

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