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665-654DC TDO (Two-Row Double-Outer Race) (Imperial)

665-654DC TDO (Two-Row Double-Outer Race) (Imperial)

The 665-654DC is a double-row tapered roller bearing with a 3.375″ bore and 6″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 96,700 lbf and works well in temperatures from -30°C to 110°C.

Its open design allows for easy lubrication, while the steel cage ensures reliable performance under heavy loads. The bearing is designed for standard radial clearance, with options for C3, C4, or C5 available.

This model is part of the 655 series, featuring a double outer race for added strength. Ideal for industrial machinery or heavy equipment where combined radial and thrust loads are common.

Weighing 14.4 lb, it’s a robust choice for demanding applications. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 665-654DC
  • Brand TFL
  • Size 3.375" x 6" x 1.625"
  • Bore Dia 3.375"
  • 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 4.02"
  • 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 665
  • Cup Part Number 654DC
  • 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 14.4 lb

Features

How Is 665-654DC Bearing Engineered for Reliability?

665-654DC Bearing features a double-row tapered roller design, providing robust support for combined loads.
Its chrome steel construction ensures durability and resistance to wear in demanding applications.

The bearing’s dynamic radial load capacity reaches 96,700 lbf, making it suitable for heavy-duty use.
Precision tolerances on bore and outer diameters enhance its performance and reliability.

665-654DC Bearing operates efficiently within a temperature range of -30° to 110°C.
Its standard radial clearance options allow for flexibility in various operating conditions.

With a steel cage, this bearing maintains roller alignment, reducing friction and extending service life.
The open seal design simplifies maintenance while ensuring reliable operation.

Application

Industrial Uses of 665-654DC Bearing
The 665-654DC Bearing is commonly used in heavy machinery, such as construction equipment and mining conveyors, where its double-row design handles combined radial and thrust loads efficiently. Its chrome steel construction ensures durability in demanding environments.

Where Is 665-654DC Bearing Used?
You’ll find the 665-654DC Bearing in automotive applications like truck wheel hubs, where its tapered roller design provides stability under heavy loads. The inch sizing makes it a fit for many North American vehicle models.

Built for Heavy-Duty Use: 665-654DC Bearing
In industrial fans and pumps, the 665-654DC Bearing offers reliable performance thanks to its open design and steel cage. Its standard radial clearance allows for smooth operation in varied temperature conditions.

Automotive vs Aerospace: Applications of 665-654DC Bearing
While the 665-654DC Bearing excels in truck axles and gearboxes, it’s also suitable for aerospace ground support equipment. Its ABEC-1 rating ensures adequate precision for these diverse uses.

Key Fields for 665-654DC Bearing
The 665-654DC Bearing is a go-to choice for agricultural machinery, such as tractors and harvesters, where its robust design withstands rough terrain. The lubrication requirement ensures long service life even in dusty conditions.

Q&A

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