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66187-66462D TDO (Two-Row Double-Outer Race) (Imperial)

66187-66462D TDO (Two-Row Double-Outer Race) (Imperial)

The 66187-66462D is a two-row tapered roller bearing with a 1.875″ bore and 4.625″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 69100 lbf and is designed for long-lasting performance.

Its double-row construction provides extra stability, making it suitable for heavy-duty applications. The open design allows for easy lubrication, ensuring smooth operation even under high stress.

This bearing works well in temperatures from -30°C to 110°C and comes with standard radial clearance. It’s compliant with RoHS and REACH standards for safe use.

Ideal for industrial machinery or automotive systems where durability and load capacity are key. Weighing 8.12 lb, it’s robust yet manageable for its size.

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Product Parameters

  • Part Number 66187-66462D
  • Brand TFL
  • Size 1.875" x 4.625" x 1.25"
  • Bore Dia 1.875"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.625"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 2.125"
  • 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 2.875"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 2.72"
  • Cup Frontface Backing Diameter 4.41"
  • Cage Cone Backface Clearance 0.17"
  • Dynamic Radial Load 69100 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 66187
  • Cup Part Number 66462D
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 66000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 10300 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 11000 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 17900 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 8.12 lb

Features

How Does 66187-66462D Bearing Handle Combined Loads?

66187-66462D Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 69100 lbf, ensuring reliable performance in demanding conditions.
The double-row tapered roller design distributes loads evenly, enhancing durability and stability.
With a temperature range of -30° to 110°C, it performs well in various environments.

Structural Advantages of 66187-66462D Bearing

66187-66462D Bearing features a double-row tapered roller design, ideal for handling combined loads.
The chrome steel construction provides excellent strength and wear resistance.
Its standard radial clearance ensures smooth operation, while the open seal type allows for easy lubrication.
The bearing’s precise tolerances ensure consistent performance under heavy loads.

Why Choose 66187-66462D Bearing for Heavy-Duty Applications?

66187-66462D Bearing’s double-row design and chrome steel components make it suitable for heavy-duty use.
It can handle dynamic radial loads up to 69100 lbf, making it reliable for industrial applications.
The steel cage maintains roller alignment, reducing friction and extending service life.
Its ABEC-1 rating ensures consistent precision in various operating conditions.

Application

Industrial Uses of 66187-66462D Bearing
The 66187-66462D 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 efficiently. Its chrome steel construction ensures durability in tough working conditions.

What Makes 66187-66462D Bearing a Preferred Choice?
In automotive applications, 66187-66462D Bearing is ideal for wheel hubs and differential systems, thanks to its high dynamic load capacity. The inch sizing makes it a perfect fit for American and British vehicle models.

Built for Heavy-Duty Use: 66187-66462D Bearing
For industrial automation, 66187-66462D Bearing supports robotic arms and conveyor systems, where its tapered rollers provide smooth motion. The open seal design allows for easy lubrication and maintenance.

Automotive vs Aerospace: Applications of 66187-66462D Bearing
While 66187-66462D Bearing excels in automotive drivetrains, it’s also suitable for aerospace landing gear systems, where reliability under heavy loads is critical. The standard radial clearance ensures consistent performance across different temperatures.

Where Is 66187-66462D Bearing Used?
In agricultural machinery, 66187-66462D Bearing is often found in tractors and harvesters, handling uneven loads with ease. Its steel cage adds extra strength, making it a dependable choice for long-term use.

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