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

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

The 665-654D is a two-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 is designed for long-lasting performance in demanding conditions.

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

This model is part of the 655 series, with standard radial clearance and an ABEC-1 rating. It’s a reliable choice for heavy-duty applications like industrial gearboxes or large machinery.

Weighing 14.4 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe and durable option for various engineering needs.

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Product Parameters

  • Part Number 665-654D
  • 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 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 14.4 lb

Features

How Is 665-654D Bearing Engineered for Reliability?

665-654D Bearing features a double-row tapered roller design, providing strong resistance to combined radial and thrust loads.
Its chrome steel construction ensures durability, with a dynamic radial load capacity of 96,700 lbf.

The steel cage maintains roller alignment, reducing friction and extending service life.
With a standard radial clearance option, it offers flexibility for various applications.

665-654D Bearing operates efficiently within a temperature range of -30° to 110°C.
Its precision tolerances ensure consistent performance in demanding conditions.

Application

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

In automotive applications, 665-654D Bearing supports large vehicle components like axles and wheel hubs, providing reliable performance under heavy loads. The inch sizing makes it compatible with many North American vehicle models.

For industrial conveyor systems, 665-654D 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 665-654D Bearing Used?
You’ll often find 665-654D Bearing in agricultural machinery, where its robust design withstands harsh conditions like dust and moisture. The steel cage adds extra strength for high-load scenarios.

In material handling equipment, 665-654D Bearing ensures smooth rotation in pulley systems and gearboxes. Its standard radial clearance makes it versatile for various industrial settings.

Built for Heavy-Duty Use: 665-654D Bearing
The 665-654D Bearing is ideal for applications like forestry equipment, where its tapered rollers manage uneven loads effectively. The chrome steel rollers resist wear, even in abrasive environments.

For railway applications, 665-654D Bearing provides reliable performance in bogies and traction motors. Its ABEC-1 rating ensures consistent precision under dynamic conditions.

Automotive vs Aerospace: Applications of 665-654D Bearing
In automotive settings, 665-654D Bearing is often used in drivetrains, offering stability under high torque. Its inch measurements align with many US-made vehicle specifications.

For aerospace ground equipment, 665-654D Bearing supports heavy-load trolleys and maintenance tools. The temperature range of -30° to 110°C ensures performance in varying climates.

Q&A

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