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TS (Single Row Tapered Roller Bearings) (Imperial) 686-672

TS (Single Row Tapered Roller Bearings) (Imperial) 686-672

The 686-672 is a single-row tapered roller bearing with a 3.7392″ bore and 6.625″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 59500 lbf radially and 12400 lbf thrust-wise, suitable for demanding applications.

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

This model is interchangeable with Timken bearings, making it a practical choice for replacements. Ideal for industrial machinery or vehicle systems where combined loads are common.

Weighing 8.1 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and reliable performance.

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Product Parameters

  • Part Number 686-672
  • Brand TFL
  • Interchangeable Timken
  • Size 3.7392" x 6.625" x 1.594"
  • Bore Dia 3.7392"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 6.625"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.594"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.1875"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.594"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 4.88"
  • Cone Backface Backing Diameter 4.45"
  • Cup Frontface Backing Diameter 6.34"
  • Cup Backface Backing Diameter 5.87"
  • Cage Cone Frontface Clearance 0.12"
  • Cage Cone Backface Clearance 0.14"
  • Effective Center Location -0.08"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 686
  • Cup Part Number 672
  • 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 8.1 lb

Features

Performance Features of 686-672 Bearing

686-672 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 service life.
With a temperature range of -30° to 110°C, it performs well in various operating conditions.

How Is 686-672 Bearing Engineered for Reliability?

686-672 Bearing features a single-row tapered roller design, optimised for handling both radial and thrust loads.
The chrome steel construction provides durability, while the standard radial clearance ensures smooth operation.
Its ABEC-1 rating guarantees consistent precision in industrial applications.
Weighing 8.1 lb, it balances strength and ease of handling.

Built for Durability: 686-672 Bearing

686-672 Bearing’s chrome steel rollers and rings resist wear, even under high dynamic radial loads.
The steel cage design enhances stability, reducing maintenance needs over time.
With a static radial load capacity of 86,700 lbf, it excels in demanding environments.
Its standard lubrication requirement ensures long-lasting performance.

Application

Industrial Uses of 686-672 Bearing
The 686-672 Bearing is commonly used in heavy machinery, such as construction equipment and mining tools, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability even in demanding environments.

In automotive applications, 686-672 Bearing is ideal for wheel hubs and differential systems, providing reliable performance under both radial and thrust loads. The inch sizing makes it a perfect fit for American and British vehicle models.

For industrial automation, 686-672 Bearing supports conveyor systems and robotic arms, where its open design allows for easy lubrication and maintenance. The steel cage enhances stability during high-speed operations.

Where Is 686-672 Bearing Used?
You’ll often find 686-672 Bearing in agricultural machinery, like tractors and harvesters, where its robust design withstands heavy loads and rough conditions. The standard radial clearance ensures smooth operation.

It’s also a great choice for railway applications, particularly in axle boxes, where its tapered rollers manage both radial and axial forces. The ABEC-1 rating balances precision and cost-effectiveness.

Built for Heavy-Duty Use: 686-672 Bearing
686-672 Bearing excels in forestry equipment, such as log splitters and sawmills, thanks to its high static radial load capacity. The chrome steel rollers resist wear even under constant stress.

In material handling systems, 686-672 Bearing ensures smooth operation of cranes and forklifts. Its inch measurements simplify replacements in older machinery.

Automotive vs Aerospace: Applications of 686-672 Bearing
In automotive settings, 686-672 Bearing is trusted for drivetrain components, offering a balance of strength and longevity. The combined load capability makes it versatile for various vehicle systems.

For aerospace ground support equipment, 686-672 Bearing provides reliable performance in tow tractors and loading systems. Its temperature range suits both indoor and outdoor use.

Q&A

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