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

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

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

Its open design allows for easy lubrication, while the steel cage ensures smooth operation even under high stress. The bearing works reliably in temperatures ranging from -30°C to 110°C.

This model is part of the 64000 series, featuring standard cups and a standard radial clearance (with options for C3/C4/C5). Ideal for industrial machinery, gearboxes, or heavy equipment where combined loads are common.

Weighing 16.41 lb, it’s a robust choice for applications requiring durability and precision. Compliant with RoHS and REACH standards for safe and reliable use.

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Product Parameters

  • Part Number 64450W-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 64450W
  • 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 16.41 lb

Features

How Is 64450W-64700D Bearing Engineered for Reliability?

64450W-64700D Bearing features a double-row tapered roller design, providing robust support for combined radial and thrust loads.
Its chrome steel construction ensures durability, even under heavy dynamic radial loads up to 108,000 lbf.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a standard radial clearance, it offers reliable performance across a temperature range of -30° to 110°C.

Structural Advantages of 64450W-64700D Bearing

64450W-64700D Bearing’s double-row design enhances load distribution, making it suitable for demanding applications.
Precision tolerances on bore and outer diameters ensure a secure fit and smooth operation.
The chrome steel rollers and rings resist wear, maintaining performance over time.
Its open seal type allows for easy lubrication, ensuring consistent performance.

Why Choose 64450W-64700D Bearing for Precision Tasks?

64450W-64700D Bearing’s tapered roller design provides precise load handling, ideal for combined radial and thrust applications.
The chrome steel components offer excellent strength and resistance to wear.
With an ABEC-1 rating, it balances precision and cost-effectiveness.
Its standard radial clearance ensures reliable operation in various industrial settings.

Built for Durability: 64450W-64700D Bearing

64450W-64700D Bearing is constructed with high-quality chrome steel, ensuring long-lasting performance.
The double-row tapered rollers handle heavy loads efficiently, reducing the risk of premature failure.
Its steel cage keeps rollers in place, minimising friction and wear.
Designed for temperatures from -30° to 110°C, it performs reliably in diverse environments.

Application

Industrial Uses of 64450W-64700D Bearing
The 64450W-64700D Bearing is commonly used in heavy machinery, such as construction equipment and mining rigs, where its double-row design handles combined radial and thrust loads efficiently.
Its chrome steel construction ensures durability in harsh environments, making it a reliable choice for long-term use.

Where Is 64450W-64700D Bearing Used?
You’ll often find the 64450W-64700D Bearing in agricultural machinery, like tractors and harvesters, where its tapered roller design supports high loads.
The open seal type allows for easy lubrication, which is essential in dusty or dirty working conditions.

Built for Heavy-Duty Use: 64450W-64700D Bearing
In automotive applications, the 64450W-64700D Bearing is ideal for truck wheel hubs, providing stability under heavy loads.
The inch sizing makes it compatible with many North American vehicle models, simplifying replacements.

Automotive vs Aerospace: Applications of 64450W-64700D Bearing
While the 64450W-64700D Bearing is popular in trucks and buses, its precision also suits aerospace landing gear components.
The ABEC-1 rating ensures consistent performance, whether on the road or in the air.

Key Fields for 64450W-64700D Bearing
For industrial fans and blowers, the 64450W-64700D Bearing offers smooth operation even at high speeds.
Its standard radial clearance options make it adaptable to various operational requirements.

Q&A

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