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

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

The 27684-27626DA is a double-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 45900 lbf and is designed for long-lasting performance in demanding conditions.

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

This model is part of the 27600 series, known for its reliability in heavy-duty applications. Ideal for use in industrial machinery or automotive systems where high radial and thrust loads are common.

Weighing 7.33 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe and dependable choice for replacements or new installations.

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Product Parameters

  • Part Number 27684-27626DA
  • 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 3.58"
  • 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 27684
  • 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 7.33 lb

Features

How Is 27684-27626DA Bearing Engineered for Reliability?

27684-27626DA Bearing features a double-row tapered roller design, providing robust support for combined radial and thrust loads.
Its chrome steel construction ensures durability and resistance to wear in demanding applications.
The dynamic radial load capacity of 45,900 lbf makes it suitable for heavy-duty machinery.
With a standard radial clearance, it offers reliable performance across various operating conditions.

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

27684-27626DA Bearing operates effectively within a temperature range of -30° to 110 °C.
The chrome steel rollers and rings maintain structural integrity even under thermal stress.
Its open design allows for proper lubrication, reducing friction and heat buildup.
This ensures consistent performance in environments with fluctuating temperatures.

Designed for Durability: 27684-27626DA Bearing

27684-27626DA Bearing’s double-row construction enhances load distribution, extending its service life.
The steel cage keeps the rollers aligned, minimising wear and tear over time.
Its standard radial clearance options provide flexibility for different operational needs.
With a weight of 7.33 lb, it balances strength and practicality for industrial use.

Steel vs Ceramic Bearings: Strengths of 27684-27626DA Bearing

27684-27626DA Bearing uses chrome steel for both rollers and rings, offering excellent strength and affordability.
The material choice ensures reliable performance under heavy loads and high-speed conditions.
Its tapered roller design provides efficient load distribution, reducing stress on individual components.
This makes it a cost-effective solution for various industrial applications.

Application

Industrial Uses of 27684-27626DA Bearing
The 27684-27626DA Bearing is commonly used in heavy machinery like 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 27684-27626DA Bearing Used?
You’ll often find the 27684-27626DA Bearing in automotive applications, particularly in wheel hubs and differential systems.
Its tapered roller design provides smooth operation under heavy loads, ensuring consistent performance in vehicles.

Built for Heavy-Duty Use: 27684-27626DA Bearing
The 27684-27626DA Bearing excels in industrial gearboxes, where its open design allows for easy lubrication and maintenance.
With a dynamic radial load capacity of 45900 lbf, it’s well-suited for high-stress scenarios.

Automotive vs Aerospace: Applications of 27684-27626DA Bearing
In automotive systems, the 27684-27626DA Bearing supports wheel assemblies and drivetrains, offering stability under varying loads.
While not typically used in aerospace, its precision makes it suitable for ground support equipment and heavy-duty transport.

Key Fields for 27684-27626DA Bearing
The 27684-27626DA Bearing is ideal for agricultural machinery, where its robust design withstands dust and debris.
Its standard radial clearance and ABEC-1 rating ensure reliable performance in less demanding precision applications.

Q&A

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