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TS (Single Row Tapered Roller Bearings) (Imperial) 679-672A

TS (Single Row Tapered Roller Bearings) (Imperial) 679-672A

The 679-672A is a single-row tapered roller bearing with a 3.5″ bore and 6.625″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 59500 lbf radially and 12400 lbf thrust, making it versatile for various applications.

Its open design allows easy lubrication, while the steel cage ensures durability under heavy use. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for industrial machinery or automotive systems where combined loads are common.

Weighing 9 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for most environments.

The standard radial clearance ensures easy installation, with options for C3, C4, or C5 available if needed. Its tapered roller design provides stable performance under varying load conditions.

Suitable for applications requiring ABEC-1 precision, it balances performance and affordability. The effective center location of -0.11″ helps maintain alignment in complex assemblies.

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Product Parameters

  • Part Number 679-672A
  • Brand TFL
  • Interchangeable Timken
  • Size 3.5" x 6.625" x 1.625"
  • Bore Dia 3.5"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 6.625"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.625"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.375"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.625"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 4.64"
  • Cone Backface Backing Diameter 4.21"
  • Cup Frontface Backing Diameter 6.34"
  • Cup Backface Backing Diameter 5.87"
  • Cage Cone Frontface Clearance 0.12"
  • Cage Cone Backface Clearance 0.17"
  • Effective Center Location -0.11"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 679
  • Cup Part Number 672A
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 675
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 59500 lbf
  • Static Radial Load 86700 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 15400 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 12400 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 9 lb

Features

Performance Features of 679-672A Bearing

679-672A Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 59,500 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.

How Is 679-672A Bearing Engineered for Reliability?

679-672A Bearing features precise cone and cup dimensions, ensuring smooth operation under combined loads.
The chrome steel construction provides durability, while the standard radial clearance allows for easy installation.
Its dynamic thrust rating of 12,400 lbf ensures consistent performance in demanding conditions.
The open design simplifies lubrication, reducing maintenance needs.

Built for Durability: 679-672A Bearing

679-672A Bearing’s tapered roller design efficiently handles both radial and thrust loads.
The chrome steel materials resist wear, maintaining performance over extended periods.
With a static radial load capacity of 86,700 lbf, it excels in heavy industrial applications.
The ABEC-1 rating ensures reliable precision for various mechanical systems.

Steel vs Ceramic Bearings: Strengths of 679-672A Bearing

679-672A Bearing uses chrome steel for both rollers and rings, balancing cost and performance.
Its robust construction withstands high dynamic and static loads, making it suitable for industrial use.
The steel cage ensures roller stability, reducing operational noise and vibration.
With a wide temperature range, it adapts to diverse working conditions.

Application

Industrial Uses of 679-672A Bearing
The 679-672A Bearing is commonly used in heavy machinery like construction equipment and agricultural tools, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability in demanding environments.

In automotive applications, 679-672A Bearing fits well in wheel hubs and drivetrains, providing reliable performance under radial and thrust loads. The imperial sizing makes it a convenient choice for North American vehicle models.

For industrial conveyor systems, 679-672A Bearing’s open design allows for easy lubrication, extending its service life in high-use scenarios. The steel cage adds extra strength, making it suitable for continuous operation.

Where Is 679-672A Bearing Used?
You’ll often find 679-672A Bearing in mining equipment, where its robust design withstands harsh conditions. The tapered rollers distribute loads evenly, reducing wear over time.

In power transmission systems, 679-672A Bearing supports shafts and gears, ensuring smooth rotation. Its ABEC-1 rating provides a balance of precision and affordability for general industrial use.

Built for Heavy-Duty Use: 679-672A Bearing
The 679-672A Bearing excels in applications like forklifts and cranes, where its high static radial load capacity is crucial. The chrome steel rollers and rings offer excellent resistance to wear.

For railway maintenance equipment, 679-672A Bearing’s standard radial clearance allows for reliable performance under varying temperatures. Its steel cage ensures stability even under heavy loads.

Automotive vs Aerospace: Applications of 679-672A Bearing
In automotive settings, 679-672A Bearing is ideal for axles and differentials, thanks to its combined load handling. The imperial measurements simplify replacements in older vehicles.

For aerospace ground support equipment, 679-672A Bearing provides dependable performance without the need for high-precision tolerances. Its temperature range suits most operational conditions.

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