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656-654D TDO (Two-Row Double-Outer Race) (Imperial)

656-654D TDO (Two-Row Double-Outer Race) (Imperial)

The 656-654D is a two-row tapered roller bearing with a 2.5575″ bore and 6″ outer diameter, built from sturdy chrome steel for long-lasting performance. It handles combined loads up to 96,700 lbf and is designed for smooth operation in demanding conditions.

Its double-row construction provides extra stability, while the open seal design allows for easy lubrication. The bearing works well in temperatures from -30°C to 110°C, making it versatile for various environments.

This model is part of the 655 series and comes with standard cups for easy installation. Ideal for heavy-duty applications like industrial gearboxes or large machinery where both radial and thrust loads are present.

Weighing 17.93 lb, it’s a robust choice for high-load scenarios. Compliant with RoHS and REACH standards, ensuring safe and reliable use.

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Product Parameters

  • Part Number 656-654D
  • Brand TFL
  • Size 2.5575" x 6" x 1.625"
  • Bore Dia 2.5575"
  • 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 3.35"
  • 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 656
  • 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 17.93 lb

Features

Performance Features of 656-654D Bearing

656-654D Bearing is constructed 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 demanding conditions.

The double-row tapered roller design enhances stability and load distribution.
With a standard radial clearance, it provides smooth operation across various applications.

656-654D Bearing operates efficiently within a temperature range of -30° to 110°C.
Its steel cage maintains roller alignment, reducing wear and extending service life.

The open seal type allows for easy lubrication, ensuring consistent performance.
Designed for combined load direction, it balances durability and precision in industrial settings.

Application

Industrial Uses of 656-654D Bearing
656-654D Bearing is commonly used in heavy machinery, such as mining equipment and construction vehicles, where its double-row design handles combined radial and thrust loads effectively. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, 656-654D Bearing supports large axles and wheel hubs, providing stability under heavy loads. Its imperial sizing makes it a preferred choice for North American vehicle manufacturers.

For industrial conveyor systems, 656-654D Bearing’s tapered roller design offers smooth operation and long service life. The open seal type allows for easy lubrication, reducing maintenance downtime.

Where Is 656-654D Bearing Used?
656-654D Bearing is ideal for agricultural machinery, such as tractors and harvesters, where its robust construction withstands rough terrain. The standard radial clearance ensures reliable performance in varying conditions.

In material handling equipment, 656-654D Bearing’s high dynamic load capacity makes it suitable for cranes and forklifts. The steel cage adds extra strength, ensuring consistent operation under stress.

Built for Heavy-Duty Use: 656-654D Bearing
656-654D Bearing excels in forestry equipment, like log loaders, where its combined load handling is essential. The tapered rollers distribute weight evenly, reducing wear over time.

For railway applications, 656-654D Bearing provides reliable performance in freight car axles. Its temperature range of -30° to 110°C ensures functionality in diverse climates.

Automotive vs Aerospace: Applications of 656-654D Bearing
In automotive settings, 656-654D Bearing is often found in truck differentials, offering strength and precision. The inch measurements align with standard US automotive parts.

For aerospace ground support equipment, 656-654D Bearing’s high load capacity makes it useful in aircraft tugs and loading systems. Its compliance with RoHS and REACH standards adds an extra layer of reliability.

Q&A

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