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655-654DC TDO (Two-Row Double-Outer Race) (Imperial)

655-654DC TDO (Two-Row Double-Outer Race) (Imperial)

The 655-654DC is a double-row tapered roller bearing with a 2.75″ 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 in demanding conditions.

Its open design allows for easy lubrication, while the steel cage ensures smooth operation. The bearing works well in temperatures ranging from -30°C to 110°C, making it versatile for various environments.

This model features standard cups and is part of the 655 series, known for reliability. Ideal for heavy machinery or industrial equipment where high radial and thrust loads are common.

Weighing 17.2 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for most applications.

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Product Parameters

  • Part Number 655-654DC
  • Brand TFL
  • Size 2.75" x 6" x 1.625"
  • Bore Dia 2.75"
  • Bore Dia Tolerance +0.005" 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 3.46"
  • 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 655
  • 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 17.2 lb

Features

Performance Features of 655-654DC Bearing

655-654DC 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 double-row tapered roller design enhances stability and load distribution.
This construction allows 655-654DC Bearing to handle both radial and thrust loads efficiently.

With a standard radial clearance, 655-654DC Bearing provides smooth operation in various conditions.
Its open design simplifies lubrication, maintaining performance within a -30° to 110°C temperature range.

The steel cage ensures proper roller alignment, reducing wear and extending service life.
655-654DC Bearing’s precise tolerances contribute to its consistent and dependable operation.

Application

Industrial Uses of 655-654DC Bearing
The 655-654DC Bearing is commonly used in heavy machinery like construction equipment, where its double-row design handles combined radial and thrust loads efficiently. Its chrome steel construction ensures durability in demanding environments.

In automotive applications, 655-654DC Bearing supports wheel hubs and differential systems, providing reliable performance under high stress. The imperial sizing makes it a preferred choice for North American vehicle manufacturers.

For industrial conveyor systems, 655-654DC Bearing’s open design allows for easy lubrication, extending service life in continuous operation. The tapered roller design also helps manage misalignment and heavy loads.

Where Is 655-654DC Bearing Used?
You’ll often find 655-654DC Bearing in agricultural machinery, where its robust design withstands rough terrain and variable loads. The steel cage adds extra strength for long-term use.

In mining equipment, 655-654DC Bearing’s high dynamic radial load capacity makes it ideal for crushers and screens. Its standard radial clearance ensures smooth operation even under extreme conditions.

Built for Heavy-Duty Use: 655-654DC Bearing
The 655-654DC Bearing excels in forestry equipment, handling shock loads and vibrations with ease. Its tapered rollers distribute stress evenly, reducing wear over time.

For railway applications, 655-654DC Bearing’s temperature tolerance ensures reliability in both hot and cold climates. The ABEC-1 rating provides a balance of precision and cost-effectiveness.

Automotive vs Aerospace: Applications of 655-654DC Bearing
In automotive drivetrains, 655-654DC Bearing offers dependable performance for trucks and buses. Its two-row design provides stability under heavy loads.

While not typically used in aerospace, 655-654DC Bearing suits ground support equipment like tugs and loaders. The inch measurements align with standard industrial specifications.

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