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TS (Single Row Tapered Roller Bearings) (Imperial) 677-672

TS (Single Row Tapered Roller Bearings) (Imperial) 677-672

The 677-672 is a single-row tapered roller bearing with a 3.375″ 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 heavy-duty use.

Its open design allows for easy lubrication, while the steel cage ensures durability under high stress. 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, gearboxes, or automotive applications where robust performance is needed.

Weighing 9.1 lb, it’s built to last while maintaining precision. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 677-672
  • Brand TFL
  • Interchangeable Timken
  • Size 3.375" x 6.625" x 1.625"
  • Bore Dia 3.375"
  • 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 4.61"
  • Cone Backface Backing Diameter 4.13"
  • 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 677
  • 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 9.1 lb

Features

Performance Features of 677-672 Bearing

677-672 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 proper roller alignment, reducing friction and extending operational life.
With a standard radial clearance, it provides smooth operation across various conditions.

677-672 Bearing operates efficiently within a temperature range of -30° to 110°C.
Its tapered roller design ensures stability under both radial and thrust loads.

The open seal type allows for easy lubrication, maintaining optimal performance.
Weighing 9.1 lb, it balances durability and practicality for industrial use.

Application

Industrial Uses of 677-672 Bearing
The 677-672 Bearing is commonly used in heavy machinery, such as construction equipment and mining tools, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability in tough working conditions.

Where Is 677-672 Bearing Used?
You’ll often find the 677-672 Bearing in agricultural machinery, supporting gearboxes and axles that require reliable performance under heavy loads. Its imperial sizing makes it a good fit for older equipment still in use.

Built for Heavy-Duty Use: 677-672 Bearing
The 677-672 Bearing excels in industrial fans and pumps, where its open design allows for easy lubrication and maintenance. Its steel cage provides stability, even in high-temperature environments.

Automotive vs Aerospace: Applications of 677-672 Bearing
In automotive applications, the 677-672 Bearing is ideal for wheel hubs and differentials, offering smooth operation. For aerospace, its precision makes it suitable for auxiliary systems requiring consistent performance.

Practical Applications of 677-672 Bearing
The 677-672 Bearing is a reliable choice for conveyor systems in manufacturing plants, thanks to its ability to handle both radial and thrust loads. Its standard radial clearance ensures easy installation and alignment.

Q&A

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