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64450-64700D TDO (Two-Row Double-Outer Race) (Imperial)

64450-64700D TDO (Two-Row Double-Outer Race) (Imperial)

The 64450-64700D is a double-row tapered roller bearing with a 4.5″ bore and 7″ outer diameter, built from sturdy chrome steel for long-lasting performance. It handles combined loads up to 108,000 lbf and is designed for heavy-duty applications.

With an open design and standard cups, this bearing allows for easy lubrication and maintenance. The steel cage ensures smooth operation even under high radial or thrust loads.

Its double-row construction provides stability and can manage dynamic radial loads up to 27,900 lbf when both rows are in use. The bearing operates well in temperatures from -30°C to 110°C.

Ideal for industrial machinery or automotive systems where heavy loads and durability are key. Compliant with RoHS and REACH standards, it weighs 16.92 lbs for its size.

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Product Parameters

  • Part Number 64450-64700D
  • Brand TFL
  • Size 4.5" x 7" x 1.625"
  • Bore Dia 4.5"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 7"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 2.75"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 1.625"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 3.6249"
  • Bearing Width Across Cups Tolerance +0.014" to -0.01"
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 5.16"
  • Cup Frontface Backing Diameter 6.81"
  • Cage Cone Backface Clearance 0.2"
  • Dynamic Radial Load 108000 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 64450
  • Cup Part Number 64700D
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 64000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 16000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 14100 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 27900 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 16.92 lb

Features

Performance Features of 64450-64700D Bearing

64450-64700D Bearing is built with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 108,000 lbf, making it suitable for heavy-duty applications.

The double-row tapered roller design ensures stability and efficient load distribution.
With a standard radial clearance, it provides reliable operation in various industrial settings.

64450-64700D Bearing operates within a temperature range of -30° to 110°C, ensuring durability in diverse conditions.
The steel cage maintains roller alignment, reducing friction and extending service life.

Designed for easy lubrication, 64450-64700D Bearing simplifies maintenance while enhancing performance.
Its ABEC-1 rating guarantees consistent precision for general industrial use.

Application

Industrial Uses of 64450-64700D Bearing
The 64450-64700D 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 tough working conditions.

In automotive applications, 64450-64700D Bearing supports large axles and wheel hubs, providing reliable performance under heavy loads. The inch sizing makes it a preferred choice for American and British vehicle manufacturers.

For industrial automation, 64450-64700D Bearing’s tapered roller design offers smooth operation in conveyor systems and robotic arms. The open seal type allows for easy lubrication, extending its service life in high-use environments.

Where Is 64450-64700D Bearing Used?
You’ll often find 64450-64700D Bearing in agricultural machinery, where its robust design withstands the demands of tractors and harvesters. The standard radial clearance ensures consistent performance in varying temperatures.

In material handling systems, 64450-64700D Bearing’s high dynamic radial load capacity makes it ideal for forklifts and cranes. The steel cage adds extra strength, reducing wear over time.

Built for Heavy-Duty Use: 64450-64700D Bearing
The 64450-64700D Bearing excels in forestry equipment, handling the rough terrain and heavy loads typical in this industry. Its ABEC-1 rating balances precision and cost-effectiveness for these applications.

For railway applications, 64450-64700D Bearing’s tapered rollers provide stability and reduce friction in wheel assemblies. The inch measurements ensure compatibility with standard rail components.

Automotive vs Aerospace: Applications of 64450-64700D Bearing
In automotive settings, 64450-64700D Bearing is often used in truck differentials, where its combined load capacity is essential. The chrome steel rollers resist wear even under constant stress.

For aerospace ground equipment, 64450-64700D Bearing supports heavy loading platforms and maintenance tools. Its temperature range of -30° to 110°C ensures reliability in various weather conditions.

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