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658-654D TDO (Two-Row Double-Outer Race) (Imperial)

658-654D TDO (Two-Row Double-Outer Race) (Imperial)

The 658-654D is a double-row tapered roller bearing with a 2.9375″ 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 from -30°C to 110°C, making it suitable for various environments.

This model features a standard radial clearance and is ABEC-1 rated for reliable precision. Ideal for heavy-duty applications like industrial gearboxes or construction equipment where high radial and thrust loads are common.

Weighing 16.42 lb, it’s a robust choice for machinery requiring durable, high-capacity bearings. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 658-654D
  • Brand TFL
  • Size 2.9375" x 6" x 1.625"
  • Bore Dia 2.9375"
  • 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 3.62"
  • 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 658
  • 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 16.42 lb

Features

How Does 658-654D Bearing Handle Combined Loads?

658-654D Bearing is built with chrome steel rings and rollers, offering strong resistance to combined radial and thrust 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.

Why Choose 658-654D Bearing for Heavy-Duty Applications?

658-654D Bearing features a double-row tapered roller design, providing stability under high loads.
The chrome steel construction enhances durability, making it suitable for demanding industrial use.
Its standard radial clearance options allow for flexibility in different operating conditions.
The open seal type simplifies maintenance while ensuring efficient lubrication.

Engineered for Reliability: 658-654D Bearing

658-654D Bearing’s precision design ensures smooth operation even under significant stress.
The tapered rollers distribute loads evenly, reducing wear and improving longevity.
With an ABEC-1 rating, it balances performance and cost-effectiveness.
Its wide temperature range makes it versatile for various industrial applications.

Steel vs Ceramic Bearings: Strengths of 658-654D Bearing

658-654D Bearing uses chrome steel for both rings and rollers, offering excellent strength and durability.
This material choice ensures reliable performance in high-load scenarios without the brittleness of ceramics.
The steel cage provides robust support, maintaining alignment under stress.
Its standard lubrication requirements make it practical for regular industrial use.

Application

Industrial Uses of 658-654D Bearing
The 658-654D Bearing is commonly used in heavy machinery like 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, 658-654D Bearing supports large vehicle components such as axles and differentials, providing reliable performance under heavy loads. The inch sizing makes it a practical choice for American and British machinery.

For industrial automation, 658-654D Bearing’s open design allows for easy lubrication, extending its lifespan in high-speed conveyor systems. The steel cage adds stability, reducing wear during continuous operation.

Where Is 658-654D Bearing Used?
You’ll often find 658-654D Bearing in agricultural machinery, where its tapered roller design handles uneven loads from ploughs and harvesters. The standard radial clearance ensures smooth operation even in dusty conditions.

The bearing also fits well in railway applications, supporting wheel sets and bogies with its robust construction. Its ABEC-1 rating balances precision and cost-effectiveness for these heavy-duty uses.

Built for Heavy-Duty Use: 658-654D Bearing
658-654D Bearing excels in forestry equipment like log splitters and chippers, thanks to its high dynamic radial load capacity. The double-row setup distributes stress evenly, reducing fatigue.

In marine applications, 658-654D Bearing withstands corrosive environments when properly maintained. Its temperature range suits both cold and moderately warm operating conditions.

Automotive vs Aerospace: Applications of 658-654D Bearing
In automotive sectors, 658-654D Bearing is ideal for truck wheel hubs, while in aerospace, it’s used in ground support equipment due to its load-handling versatility. The inch measurements align with imperial system requirements.

For industrial presses, 658-654D Bearing offers reliable performance under repetitive high-pressure cycles. Its steel cage prevents roller misalignment during intense operations.

Q&A

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