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TS (Single Row Tapered Roller Bearings) (Imperial) 686-673

TS (Single Row Tapered Roller Bearings) (Imperial) 686-673

The 686-673 is a single-row tapered roller bearing with a 3.7392″ bore and 6.6919″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 59500 lbf radially and 12400 lbf thrust, suitable for heavy-duty applications.

Its open design allows easy lubrication, while the steel cage ensures durability. 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. Ideal for industrial machinery or automotive systems where combined loads are common.

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

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Product Parameters

  • Part Number 686-673
  • Brand TFL
  • Interchangeable Timken
  • Size 3.7392" x 6.6919" x 1.594"
  • Bore Dia 3.7392"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 6.6919"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.594"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.1875"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.594"
  • 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 0.14"
  • Effective Center Location -0.08"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 686
  • 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

How Does 686-673 Bearing Handle Combined Loads?

686-673 Bearing is built with chrome steel rings and rollers, offering robust performance under combined radial and thrust 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 friction.
With a temperature range of -30° to 110°C, it performs reliably in various operating conditions.

What Makes 686-673 Bearing Durable?

686-673 Bearing features chrome steel construction, providing excellent resistance to wear and fatigue.
The tapered roller design distributes loads evenly, extending the bearing’s service life.
Its standard radial clearance options (C3/C4/C5) allow for flexibility in different applications.
Weighing 8.3 lb, it balances strength and practicality for industrial use.

Engineered for Precision: 686-673 Bearing

686-673 Bearing’s precise cone and cup dimensions ensure accurate alignment and smooth operation.
The effective center location of -0.08″ enhances stability in combined load scenarios.
With an ABEC-1 rating, it meets standard precision requirements for various machinery.
Its open design simplifies lubrication, maintaining optimal performance over time.

Application

Industrial Uses of 686-673 Bearing
The 686-673 Bearing is commonly used in heavy machinery, such as construction equipment and mining gear, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability even in tough working conditions.

Where Is 686-673 Bearing Used?
You’ll often find the 686-673 Bearing in agricultural machinery, supporting components like gearboxes and axles. Its inch sizing makes it a good fit for North American equipment, while the open design simplifies maintenance.

Built for Heavy-Duty Use: 686-673 Bearing
The 686-673 Bearing excels in industrial fans and pumps, where its high dynamic load capacity keeps things running smoothly. The steel cage adds extra strength, making it reliable for long-term use.

Automotive vs Aerospace: Applications of 686-673 Bearing
In automotive systems, the 686-673 Bearing works well in wheel hubs and drivetrains, thanks to its robust design. For aerospace, its precision and load handling make it suitable for auxiliary equipment.

Key Fields for 686-673 Bearing
The 686-673 Bearing is a solid choice for railway applications, particularly in bogies and traction motors. Its standard radial clearance ensures consistent performance under varying loads.

Q&A

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