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TS (Single Row Tapered Roller Bearings) (Imperial) 687-673

TS (Single Row Tapered Roller Bearings) (Imperial) 687-673

The 687-673 is a single-row tapered roller bearing with a 4″ bore and 6.6919″ outer diameter, crafted from robust 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 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 7.6 lb, it’s built to last with standard radial clearance options. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 687-673
  • Brand TFL
  • Interchangeable Timken
  • Size 4" x 6.6919" x 1.625"
  • Bore Dia 4"
  • 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 5.12"
  • Cone Backface Backing Diameter 4.65"
  • 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 687
  • 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 7.6 lb

Features

Performance Features of 687-673 Bearing

687-673 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 59,500 lbf, ensuring reliable performance in heavy-duty applications.

The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environments.

687-673 Bearing’s standard radial clearance allows for smooth operation under different conditions.
Its ABEC-1 rating ensures consistent precision for industrial applications.

The tapered roller design efficiently handles both radial and thrust loads.
This makes 687-673 Bearing a versatile choice for machinery requiring combined load support.

Application

Industrial Uses of 687-673 Bearing
The 687-673 Bearing is commonly used in heavy machinery, such as construction equipment and mining gear, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability even in demanding environments.

In automotive applications, 687-673 Bearing fits well in truck wheel hubs and differential systems, providing reliable performance under radial and thrust loads. The inch sizing makes it compatible with many North American vehicle models.

For industrial automation, 687-673 Bearing supports conveyor systems and heavy-duty rollers, thanks to its robust steel cage and high dynamic load capacity. The open design allows for easy lubrication, extending service life.

Where Is 687-673 Bearing Used?
You’ll often find 687-673 Bearing in agricultural machinery, like tractors and harvesters, where its tapered rollers manage varying loads smoothly. The standard radial clearance ensures consistent performance in dusty conditions.

Built for Heavy-Duty Use: 687-673 Bearing
687-673 Bearing excels in forestry equipment, such as log splitters and sawmills, where its high static radial load rating is crucial. The steel cage adds extra strength for prolonged use.

Automotive vs Aerospace: Applications of 687-673 Bearing
In automotive settings, 687-673 Bearing handles wheel and transmission loads, while in aerospace, it’s suited for ground support equipment. Its ABEC-1 rating balances precision and cost-effectiveness.

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