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66225-66462D TDO (Two-Row Double-Outer Race) (Imperial)

66225-66462D TDO (Two-Row Double-Outer Race) (Imperial)

The 66225-66462D is a two-row tapered roller bearing with a 2.25″ bore and 4.625″ outer diameter, built from sturdy chrome steel for long-lasting performance.
It handles combined loads up to 69100 lbf and works well in temperatures from -30°C to 110°C, making it suitable for tough industrial environments.

The double-row design provides extra stability, while the open seal allows for easy lubrication. Its standard radial clearance ensures smooth operation in various applications.
This bearing is ideal for heavy-duty equipment like gearboxes or wheel hubs where both radial and thrust loads are present.

Weighing 7.25 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a reliable choice for replacement or new installations.

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Product Parameters

  • Part Number 66225-66462D
  • Brand TFL
  • Size 2.25" x 4.625" x 1.25"
  • Bore Dia 2.25"
  • 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 2.99"
  • 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 66225
  • 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 7.25 lb

Features

How Is 66225-66462D Bearing Engineered for Reliability?

66225-66462D Bearing features a double-row tapered roller design, providing strong resistance to combined radial and thrust loads.
Its chrome steel construction ensures durability, with a dynamic radial load capacity of 69,100 lbf.
The steel cage maintains roller alignment, reducing friction and extending service life.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

Built for Durability: 66225-66462D Bearing

66225-66462D Bearing’s double-row design distributes loads evenly, enhancing stability under heavy use.
The precision-machined chrome steel rollers and rings minimise wear, ensuring consistent performance.
Its standard radial clearance options (including C3/C4/C5) allow for flexibility in different applications.
This bearing is lubricated for smooth operation, reducing maintenance needs over time.

What Makes 66225-66462D Bearing Suitable for High-Temperature Applications?

66225-66462D Bearing operates efficiently in temperatures ranging from -30° to 110°C.
The chrome steel materials resist thermal expansion, maintaining accuracy under heat stress.
Its open design allows for easy lubrication, ensuring optimal performance in demanding environments.
With a dynamic thrust rating of 11,000 lbf, it handles heavy loads without compromising reliability.

Application

Industrial Uses of 66225-66462D Bearing
The 66225-66462D 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 even in demanding environments, making it a reliable choice for long-term use.

How Does 66225-66462D Bearing Improve Performance?
In automotive applications, 66225-66462D Bearing enhances stability in wheel hubs and differential systems, thanks to its tapered roller design.
The standard radial clearance and ABEC-1 rating provide consistent performance without requiring frequent adjustments.

Built for Heavy-Duty Use: 66225-66462D Bearing
This bearing excels in industrial gearboxes and conveyor systems, where its high dynamic load capacity (69,100 lbf) ensures smooth operation.
The open seal type allows for easy lubrication, extending its service life in high-temperature conditions.

Automotive vs Aerospace: Applications of 66225-66462D Bearing
In automotive settings, 66225-66462D Bearing supports heavy axles and drivetrains, while in aerospace, its precision fits auxiliary systems requiring combined load handling.
The inch sizing makes it compatible with a variety of North American machinery specifications.

Where Is 66225-66462D Bearing Used?
You’ll often find 66225-66462D Bearing in agricultural machinery, where its robust design withstands uneven loads and harsh conditions.
The steel cage and chrome steel rollers ensure minimal wear, even under continuous use.

Q&A

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