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664-654D TDO (Two-Row Double-Outer Race) (Imperial)

664-654D TDO (Two-Row Double-Outer Race) (Imperial)

The 664-654D is a two-row tapered roller bearing with a 3.3125″ bore and 6″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 96,700 lbf and is designed for long-lasting performance.

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

This model is part of the 655 series and comes with standard radial clearance. It’s ideal for heavy-duty applications like industrial gearboxes or large machinery.

Weighing 14.73 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a reliable choice for demanding environments.

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Product Parameters

  • Part Number 664-654D
  • Brand TFL
  • Size 3.3125" x 6" x 1.625"
  • Bore Dia 3.3125"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 6"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 3"
  • 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 3.7499"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.06"
  • Cone Backface Backing Diameter 3.94"
  • Cup Frontface Backing Diameter 5.57"
  • Cage Cone Backface Clearance 0.17"
  • Dynamic Radial Load 96700 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 664
  • Cup Part Number 654D
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 655
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 14400 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 10100 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 25100 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 14.73 lb

Features

Performance Features of 664-654D Bearing

664-654D Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 96,700 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.

How Does 664-654D Bearing Reduce Friction?

664-654D Bearing’s tapered roller design minimises friction, allowing smooth operation under combined loads.
The precision-engineered chrome steel components ensure durability and consistent performance.
Its open seal type facilitates easy lubrication, further reducing wear.
This design makes it suitable for applications requiring both radial and thrust load support.

Engineered for Precision: 664-654D Bearing

664-654D Bearing features tight tolerances, with bore and outer diameter tolerances of +0.001″ to 0.
Its double-row construction provides stability and even load distribution.
The standard radial clearance ensures smooth operation without excessive play.
This precision makes it ideal for machinery requiring accurate alignment and reliable performance.

Steel vs Ceramic Bearings: Strengths of 664-654D Bearing

664-654D Bearing uses chrome steel for both rings and rollers, offering excellent strength and wear resistance.
The steel construction provides a cost-effective solution without compromising performance.
Its dynamic radial rating of 96,700 lbf demonstrates its capability in demanding conditions.
This makes it a practical choice for industrial applications where reliability is key.

Application

Where Is 664-654D Bearing Used?
664-654D Bearing is commonly found in heavy-duty industrial equipment like mining machinery and construction vehicles, where its double-row design handles combined radial and thrust loads efficiently. The chrome steel construction ensures durability even in harsh operating conditions.

In automotive applications, 664-654D Bearing supports large axles and wheel hubs, particularly in trucks and off-road vehicles. Its inch sizing makes it a preferred choice for North American manufacturers.

For agricultural machinery, 664-654D Bearing provides reliable performance in tractors and harvesters, where consistent load-bearing capacity is essential. The open seal design allows for easy lubrication, extending service life.

664-654D Bearing also fits well in railway applications, such as freight car wheel assemblies. Its tapered roller design ensures smooth operation under varying load conditions.

In material handling systems, 664-654D Bearing excels in conveyor rollers and lifting equipment. The standard radial clearance offers flexibility for different installation requirements.

Q&A

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