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66589-66522D TDO (Two-Row Double-Outer Race) (Imperial)

66589-66522D TDO (Two-Row Double-Outer Race) (Imperial)

The 66589-66522D is a two-row tapered roller bearing with a 2.36″ bore and 5.12″ outer diameter, built from sturdy chrome steel for long-lasting performance. It handles combined loads up to 18,600 lbf and operates smoothly in temperatures from -30°C to 110°C.

Its double-row design provides extra stability, while the open seal allows for easy lubrication. The steel cage ensures durability, making it suitable for heavy-duty applications.

This bearing is ideal for industrial machinery or vehicle axles where high radial and thrust loads are common. It comes in standard radial clearance but can also be ordered in C3, C4, or C5 options.

Weighing 8.57 lb, it’s a robust choice for demanding environments. Compliant with RoHS and REACH standards, it’s a reliable option for replacements or new installations.

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Product Parameters

  • Part Number 66589-66522D
  • Brand TFL
  • Size 2.3611" x 5.1174" x 1.25"
  • Bore Dia 2.3611"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 5.1174"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 1.875"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 1.25"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 2.7499"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 2.91"
  • Cup Frontface Backing Diameter 4.67"
  • Cage Cone Backface Clearance 0.18"
  • Dynamic Radial Load 71700 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 66589
  • Cup Part Number 66522D
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 66500
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 10700 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 12200 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 18600 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 8.57 lb

Features

Performance Features of 66589-66522D Bearing

66589-66522D Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 71,700 lbf, ensuring reliable performance in heavy-duty applications.

The double-row tapered roller design enhances load distribution, reducing wear and extending service life.
With a standard radial clearance, it balances durability and efficiency in various operating conditions.

66589-66522D Bearing operates effectively in temperatures ranging from -30° to 110°C.
Its open design allows for easy lubrication, ensuring smooth operation over time.

The steel cage maintains roller alignment, contributing to consistent performance.
This bearing is ideal for applications requiring robust load handling and long-term reliability.

Application

Key Fields for 66589-66522D Bearing
66589-66522D Bearing is commonly used in heavy machinery, such as construction equipment and mining vehicles, where its double-row design handles combined radial and thrust loads effectively. The chrome steel construction ensures durability even in tough working conditions.

In automotive applications, 66589-66522D Bearing supports wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a good fit for North American vehicle models.

For industrial automation, 66589-66522D Bearing is ideal for conveyor systems and robotic arms, where precision and load capacity are essential. The open seal type allows for easy lubrication, extending service life.

Where Is 66589-66522D Bearing Used?
You’ll often find 66589-66522D Bearing in agricultural machinery, like tractors and harvesters, where its tapered roller design manages heavy loads smoothly. The steel cage adds extra strength for long-term use.

In material handling equipment, 66589-66522D Bearing ensures smooth operation in forklifts and cranes. Its standard radial clearance makes it versatile for different load requirements.

Built for Heavy-Duty Use: 66589-66522D Bearing
66589-66522D Bearing excels in forestry equipment, such as log splitters and sawmills, thanks to its robust construction. The double-row setup distributes loads evenly, reducing wear.

For railway applications, 66589-66522D Bearing supports axle boxes, handling both radial and thrust forces. Its ABEC-1 rating ensures consistent performance at moderate speeds.

Automotive vs Aerospace: Applications of 66589-66522D Bearing
In automotive systems, 66589-66522D Bearing is trusted for drivetrain components, offering reliable load handling. The inch measurements align well with standard US manufacturing specs.

For aerospace ground support equipment, 66589-66522D Bearing provides stability in tow tractors and loading platforms. Its temperature range suits both indoor and outdoor use.

Q&A

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