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TS (Single Row Tapered Roller Bearings) (Imperial) 687-672

TS (Single Row Tapered Roller Bearings) (Imperial) 687-672

The 687-672 is a single-row tapered roller bearing with a 4″ bore and 6.625″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 59500 lbf radially and 12400 lbf thrust, suitable for demanding applications.

Its open design allows for 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, making it a practical choice for replacements. It’s ideal for machinery like gearboxes or industrial equipment where combined loads are common.

Weighing 7.4 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a reliable option for various industrial needs.

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Product Parameters

  • Part Number 687-672
  • Brand TFL
  • Interchangeable Timken
  • Size 4" x 6.625" x 1.625"
  • Bore Dia 4"
  • 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 1.1875"
  • 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 5.12"
  • Cone Backface Backing Diameter 4.65"
  • 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 687
  • 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 7.400 lb

Features

How Is 687-672 Bearing Engineered for Reliability?

687-672 Bearing features chrome steel rings and rollers, providing strong resistance to combined loads.
Its dynamic radial load capacity reaches 59,500 lbf, ensuring reliable performance in demanding applications.
The steel cage keeps the rollers aligned, reducing wear and extending service life.
With a temperature range of -30° to 110°C, it maintains performance in various conditions.

What Makes 687-672 Bearing Suitable for High-Temperature Applications?

687-672 Bearing withstands temperatures up to 110°C, making it suitable for high-temperature environments.
The chrome steel construction ensures durability and resistance to thermal expansion.
Its open design allows for easy lubrication, maintaining smooth operation under heat.
The standard radial clearance options provide flexibility for different thermal conditions.

Built for Durability: 687-672 Bearing

687-672 Bearing is crafted with chrome steel components, offering excellent wear resistance.
Its static radial load capacity of 86,700 lbf ensures long-term reliability in heavy-duty applications.
The tapered roller design distributes loads evenly, reducing stress on individual components.
With an ABEC-1 rating, it balances precision and durability for industrial use.

Steel vs Ceramic Bearings: Strengths of 687-672 Bearing

687-672 Bearing uses chrome steel for both rings and rollers, providing a cost-effective and durable solution.
The steel construction offers high load capacity, with dynamic radial ratings up to 15,400 lbf.
Its tapered roller design ensures efficient load distribution, reducing friction and wear.
The steel cage adds stability, making it a reliable choice for various industrial applications.

Application

Industrial Uses of 687-672 Bearing
The 687-672 Bearing is commonly used in heavy machinery, such as construction equipment and mining conveyors, where its tapered roller design handles combined radial and thrust loads effectively. Its chrome steel construction ensures durability in demanding environments.

Where Is 687-672 Bearing Used?
You’ll often find the 687-672 Bearing in automotive applications like truck wheel hubs, where its robust design supports heavy loads and high-speed rotation. The inch sizing makes it a convenient choice for North American vehicle models.

Built for Heavy-Duty Use: 687-672 Bearing
In industrial gearboxes, the 687-672 Bearing provides reliable performance, thanks to its steel cage and precise tolerances. Its open design allows for easy lubrication, extending service life in continuous operation.

Automotive vs Aerospace: Applications of 687-672 Bearing
While the 687-672 Bearing excels in automotive systems like axles, it’s also suitable for aerospace ground support equipment. Its combined load capacity makes it versatile for various high-stress scenarios.

Perfect Fit for Automation: 687-672 Bearing
The 687-672 Bearing works well in automated assembly lines, where its consistent performance reduces downtime. Its standard radial clearance ensures smooth operation in repetitive motion applications.

Q&A

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