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

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

The 687-672A is a single-row tapered roller bearing with a 4″ bore and 6.625″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 59500 lbf radially and 12400 lbf thrust, making it a versatile choice.

Its open design allows easy lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures from -30°C to 110°C, suitable for various industrial conditions.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for heavy-duty applications like gearboxes or construction equipment where combined loads are common.

Weighing 7.6 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 687-672A
  • 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 1.375"
  • 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 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 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 7.6 lb

Features

Performance Features of 687-672A Bearing

687-672A Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 59,500 lbf, making it suitable for heavy-duty applications.

The single-row tapered roller design ensures effective load distribution, enhancing durability.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

687-672A Bearing’s steel cage maintains roller alignment, reducing friction and wear.
Standard radial clearance options provide flexibility for different operational needs.

Application

Key Fields for 687-672A Bearing
The 687-672A Bearing is widely used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability in tough working conditions.

How Does 687-672A Bearing Improve Performance?
In automotive applications, 687-672A Bearing supports axles and wheel hubs, providing smooth rotation under heavy loads. The open design allows for easy lubrication, extending service life in demanding environments.

Built for Heavy-Duty Use: 687-672A Bearing
This bearing excels in industrial settings like conveyor systems and gearboxes, where its high dynamic radial load capacity is essential. The steel cage adds strength, making it reliable for continuous operation.

Automotive vs Aerospace: Applications of 687-672A Bearing
While commonly found in trucks and trailers, 687-672A Bearing also suits aerospace ground support equipment. Its inch sizing makes it compatible with both American and international machinery standards.

Perfect Fit for Automation: 687-672A Bearing
In automated production lines, 687-672A Bearing ensures precise movement in robotic arms and assembly systems. The standard radial clearance offers consistent performance across various speeds.

Q&A

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