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TS (Single Row Tapered Roller Bearings) (Imperial) 683-673

TS (Single Row Tapered Roller Bearings) (Imperial) 683-673

The 683-673 is a single-row tapered roller bearing with a 3.75″ bore and 6.6919″ 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 combined loads are common.

Weighing 8.3 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for various environments.

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Product Parameters

  • Part Number 683-673
  • Brand TFL
  • Interchangeable Timken
  • Size 3.75" x 6.6919" x 1.625"
  • Bore Dia 3.75"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 6.6919"
  • 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 4.88"
  • Cone Backface Backing Diameter 4.45"
  • Cup Frontface Backing Diameter 6.34"
  • Cup Backface Backing Diameter 5.91"
  • 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 683
  • Cup Part Number 673
  • 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 8.3 lb

Features

Performance Features of 683-673 Bearing

683-673 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 steel cage ensures proper roller alignment, enhancing durability and reducing wear.
With a standard radial clearance, it provides reliable performance in various operating conditions.

How Does 683-673 Bearing Resist Wear?

683-673 Bearing’s chrome steel construction minimises wear, even under high radial and thrust loads.
The tapered roller design distributes stress evenly, extending the bearing’s service life.
Its steel cage maintains roller positioning, reducing friction and preventing premature failure.
Operating within a temperature range of -30° to 110°C, it performs reliably in diverse environments.

Engineered for Precision: 683-673 Bearing

683-673 Bearing features precise tolerances, with bore and outer diameter tolerances of +0.001″ to 0.
Its effective center location of -0.11″ ensures accurate alignment in assembly.
The bearing meets ABEC-1 standards, providing consistent performance for industrial applications.
With a dynamic thrust rating of 12,400 lbf, it handles both radial and axial loads efficiently.

Application

Industrial Uses of 683-673 Bearing
The 683-673 Bearing is commonly used in heavy machinery like construction equipment and mining tools, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability even in demanding environments.

Where Is 683-673 Bearing Used?
You’ll often find 683-673 Bearing in automotive applications, such as truck wheel hubs and differential systems. Its inch sizing makes it a reliable choice for North American vehicle models.

Built for Heavy-Duty Use: 683-673 Bearing
In industrial gearboxes, 683-673 Bearing provides stable performance under high radial and thrust loads. The steel cage adds extra strength, making it suitable for continuous operation.

Automotive vs Aerospace: Applications of 683-673 Bearing
While 683-673 Bearing excels in automotive systems like axles, it’s also found in aerospace landing gear components. Its precision and load capacity make it versatile across industries.

Perfect Fit for Automation: 683-673 Bearing
For automated conveyor systems, 683-673 Bearing offers smooth rotation and long service life. Its open design simplifies lubrication, reducing maintenance downtime.

Q&A

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