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66584-66522D TDO (Two-Row Double-Outer Race) (Imperial)

66584-66522D TDO (Two-Row Double-Outer Race) (Imperial)

The 66584-66522D is a two-row tapered roller bearing with a 2.125″ bore and 5.1174″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 71700 lbf and is designed for long-lasting performance in demanding conditions.

Its double-row construction provides extra stability, while the open design allows for easy lubrication. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model features standard radial clearance and meets ABEC-1 precision standards. Ideal for heavy-duty applications like truck axles or industrial gearboxes where reliability is key.

Weighing 9.12 lb, it’s a robust choice for machinery requiring high load capacity. Compliant with RoHS and REACH regulations for safe use.

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Product Parameters

  • Part Number 66584-66522D
  • Brand TFL
  • Size 2.125" x 5.1174" x 1.25"
  • Bore Dia 2.125"
  • 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 2.95"
  • 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 66584
  • 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 9.12 lb

Features

How Does 66584-66522D Bearing Handle Combined Loads?

66584-66522D Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 71,700 lbf, ensuring reliable performance in heavy-duty applications.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environments.

What Makes 66584-66522D Bearing Suitable for High-Temperature Applications?

66584-66522D Bearing operates efficiently in temperatures from -30° to 110°C, making it versatile for different conditions.
The chrome steel construction ensures durability and consistent performance under thermal stress.
Its open design allows for easy lubrication, maintaining smooth operation.
The double-row tapered roller design enhances load distribution, reducing wear.

Engineered for Precision: 66584-66522D Bearing

66584-66522D Bearing features a double-row tapered roller design, providing precise load handling.
The chrome steel rollers and rings ensure high strength and resistance to wear.
Its standard radial clearance options (C3/C4/C5) allow for flexibility in various applications.
The steel cage keeps rollers in place, ensuring smooth and quiet operation.

Structural Advantages of 66584-66522D Bearing

66584-66522D Bearing’s double-row construction enhances load capacity and stability.
The chrome steel components resist wear, ensuring a long service life.
Its open design simplifies lubrication, reducing maintenance needs.
With a dynamic radial rating of 18,600 lbf for two rows, it handles demanding tasks efficiently.

Application

Common Applications of 66584-66522D Bearing
66584-66522D Bearing is widely used in heavy machinery, such as construction equipment and mining vehicles, where its double-row design handles combined radial and thrust loads efficiently. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, 66584-66522D Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying load conditions. Its inch sizing makes it a preferred choice for American and British vehicle manufacturers.

For industrial conveyor systems, 66584-66522D Bearing’s tapered roller design offers smooth operation and long service life. The open seal type allows for easy lubrication, reducing maintenance downtime.

In agricultural machinery, 66584-66522D Bearing supports high-load components like gearboxes and axles. Its standard radial clearance ensures consistent performance across different operating conditions.

Q&A

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