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641 Single Cones (Imperial)
641 Single Cones (Imperial)

641 Single Cones (Imperial)

The 641 single cones are tapered roller bearings with a 2.625″ bore, designed for combined loads. Made from durable chrome steel, they handle dynamic radial loads up to 62,100 lbf and static loads up to 67,000 lbf.

Their open design allows easy maintenance, while the steel cage ensures reliable performance. The bearings operate smoothly in temperatures from -30°C to 110°C.

These cones are interchangeable with Timken bearings, making them a practical choice for replacements. Ideal for heavy-duty applications like truck axles or industrial gearboxes where combined loads are common.

Available in standard radial clearance, they also come in C3, C4, and C5 options for different fit requirements. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 641
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number 641-632 , 641-632A , 641-633 , 641-634W , 641-632-B
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Series 635
  • Bore Dia 2.625"
  • Bore Dia Tolerance +0.005" to 0
  • Cone Width 1.625"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.14"
  • Cone Frontface Backing Diameter 3.03"
  • Cone Backface Backing Diameter 3.27"
  • Cage Cone Frontface Clearance 0.1"
  • Cage Cone Backface Clearance 0.15"
  • Effective Center Location -0.44"
  • Ring Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 62100 lbf
  • Static Radial Load 67000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 16100 lbf
  • Dynamic Radial Rating(Two Row 1 Million Revolutions)(C1) 108000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 9980 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 28000 lbf
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant

Features

How Does 641 Bearing Handle Combined Loads?

641 Bearing is designed with chrome steel rings, providing strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 62,100 lbf, ensuring reliable performance in demanding applications.
The steel cage keeps the tapered rollers aligned, reducing wear and extending service life.
With a temperature range of -30° to 110°C, it performs well in various environmental conditions.

What Makes 641 Bearing Suitable for High-Temperature Applications?

641 Bearing operates efficiently in temperatures ranging from -30° to 110°C, maintaining performance under thermal stress.
The chrome steel construction enhances durability, even in challenging industrial environments.
Its open design allows for better heat dissipation, preventing overheating during prolonged use.
This makes it a dependable choice for applications where temperature fluctuations are common.

Engineered for Precision: 641 Bearing

641 Bearing features a tapered roller design, ensuring precise alignment and smooth operation.
The steel cage maintains roller positioning, reducing friction and improving efficiency.
With an ABEC-1 rating, it meets standard precision requirements for various industrial uses.
Its standard radial clearance can be adjusted to C3/C4/C5, offering flexibility for different applications.

Structural Advantages of 641 Bearing

641 Bearing’s single-row construction provides a compact and efficient solution for combined loads.
The chrome steel rings and tapered rollers enhance load distribution, reducing stress on components.
Its dynamic thrust rating of 9,980 lbf ensures reliable performance in thrust-heavy applications.
The open seal type allows for easy inspection and maintenance, extending operational life.

Why Choose 641 Bearing for Heavy-Duty Applications?

641 Bearing’s robust design handles dynamic radial loads up to 62,100 lbf, ideal for heavy machinery.
The tapered rollers distribute loads evenly, minimising wear and prolonging service life.
Its steel cage ensures stability, even under high-speed or high-load conditions.
With interchangeable options like Timken, it offers versatility and ease of replacement.

Application

Common Applications of 641 Bearing
The 641 Bearing is widely used in industrial machinery, especially in heavy-duty applications like conveyor systems and gearboxes. Its tapered roller design handles combined loads efficiently, making it suitable for rugged environments.

In automotive systems, 641 Bearing supports components like wheel hubs and differentials, where its durability ensures reliable performance. The inch sizing makes it a preferred choice for American and British vehicle models.

For construction equipment, 641 Bearing’s chrome steel construction provides strength in load-bearing parts like cranes and excavators. The open seal design allows for easy maintenance in dusty or high-wear conditions.

Where Is 641 Bearing Used?
You’ll often find 641 Bearing in agricultural machinery, such as tractors and harvesters, where its tapered rollers handle uneven loads. Its steel cage adds durability in demanding outdoor conditions.

In mining equipment, 641 Bearing excels in applications like crushers and drills, thanks to its high dynamic radial load capacity. The standard radial clearance ensures smooth operation even under heavy stress.

Built for Heavy-Duty Use: 641 Bearing
The 641 Bearing is a reliable choice for forestry equipment, like log splitters and sawmills, where its combined load capacity shines. Its chrome steel rings resist wear in high-friction scenarios.

For railway applications, 641 Bearing supports axle boxes and bogies, ensuring stable performance under constant vibration. The ABEC-1 rating balances precision and cost-effectiveness for these uses.

Automotive vs Industrial: Applications of 641 Bearing
In automotive settings, 641 Bearing is ideal for wheel ends and transmissions, offering smooth rotation under thrust and radial loads. Its inch measurements simplify replacements in older machinery.

For industrial uses, 641 Bearing fits perfectly in pumps and compressors, where its tapered rollers manage axial and radial forces. The temperature range suits both indoor and outdoor operations.

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