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TS (Single Row Tapered Roller Bearings) (Imperial) 681A-673

TS (Single Row Tapered Roller Bearings) (Imperial) 681A-673

The 681A-673 is a single-row tapered roller bearing with a 3.625″ bore and 6.6919″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 59500 lbf radially and 12400 lbf thrust, suitable for demanding applications.

Its open design allows easy lubrication, while the steel cage ensures durability under heavy use. 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 8.6 lb, it offers robust performance for its size. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

The 681A-673 features a standard radial clearance, with options for C3, C4, or C5 available. Its ABEC-1 rating ensures reliable precision for general industrial use.

The tapered roller design provides effective load distribution, enhancing longevity. The bearing’s dimensions and tolerances are tailored for precise fits in machinery.

With a dynamic radial rating of 15400 lbf at 90 million revolutions, it offers consistent performance over time. The cup and cone assembly simplifies installation and maintenance.

Suitable for gearboxes, axles, or heavy equipment, this bearing balances strength and ease of use. Its chrome steel construction resists wear in tough conditions.

The bearing’s effective center location at -0.11″ ensures proper alignment in assemblies. The steel cage maintains roller spacing for smooth operation.

Its lubrication requirement is standard, making it easy to maintain with common greases. The open seal type allows for straightforward inspection and servicing.

The 681A-673 is part of the 675 series, known for reliability in industrial settings. Its static radial load capacity of 86700 lbf handles high-stress scenarios.

Ideal for replacement or new installations, this bearing combines durability with practical design. Its inch measurements suit imperial system machinery.

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Product Parameters

  • Part Number 681A-673
  • Brand TFL
  • Interchangeable Timken
  • Size 3.625" x 6.6919" x 1.625"
  • Bore Dia 3.625"
  • 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 0.25"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 4.76"
  • Cone Backface Backing Diameter 4.57"
  • 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 681A
  • 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 8.6 lb

Features

Performance Features of 681A-673 Bearing

681A-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 maintains roller alignment, ensuring smooth operation and reduced wear.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Does 681A-673 Bearing Resist Wear?

681A-673 Bearing’s chrome steel construction enhances durability, even under high stress.
The tapered roller design distributes loads evenly, minimising friction and wear.
Its standard radial clearance allows for smooth operation in diverse settings.
Regular lubrication ensures long-lasting performance and reduced maintenance needs.

Built for Reliability: 681A-673 Bearing

681A-673 Bearing handles combined loads efficiently, thanks to its single-row tapered roller design.
The chrome steel components resist wear, extending the bearing’s service life.
With a static radial load capacity of 86,700 lbf, it excels in demanding industrial applications.
Its ABEC-1 rating ensures consistent performance for precision tasks.

Application

Industrial Uses of 681A-673 Bearing
The 681A-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 in tough conditions.

In automotive applications, 681A-673 Bearing fits well in wheel hubs and differential systems, providing reliable performance under high stress. The inch sizing makes it compatible with many North American vehicle models.

For industrial conveyor systems, 681A-673 Bearing’s open design allows for easy lubrication, extending its service life. The steel cage adds extra strength, making it suitable for continuous operation.

Where Is 681A-673 Bearing Used?
You’ll often find 681A-673 Bearing in agricultural machinery, like tractors and harvesters, where its robust design handles uneven loads. The standard radial clearance ensures smooth rotation even in dusty environments.

This bearing also works well in railway applications, supporting axles and bogies with its high dynamic radial load capacity. The ABEC-1 rating balances precision and cost for these demanding uses.

Built for Heavy-Duty Use: 681A-673 Bearing
The 681A-673 Bearing excels in forestry equipment, such as log splitters and sawmills, thanks to its tapered rollers distributing loads evenly. Its temperature range suits both cold and moderate climates.

In material handling systems, 681A-673 Bearing’s steel cage and chrome steel rollers resist wear from constant use. The inch measurements simplify replacements in existing setups.

Automotive vs Aerospace: Applications of 681A-673 Bearing
In automotive settings, 681A-673 Bearing supports drivetrain components, offering a balance of strength and affordability. Its static radial load rating ensures longevity in passenger vehicles.

For aerospace ground equipment, this bearing aids in maintenance tools and loading systems, where reliability matters. The compliance with RoHS and REACH standards adds to its versatility.

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