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TS (Single Row Tapered Roller Bearings) (Imperial) 689-672A

TS (Single Row Tapered Roller Bearings) (Imperial) 689-672A

The 689-672A is a single-row tapered roller bearing with a 4.0625″ bore and 6.625″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 59500 lbf radially and 12400 lbf thrust, suitable for demanding applications.

Its open design allows for 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 heavy-duty machinery or automotive systems where combined loads are common.

Weighing 7.5 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s safe for various industrial uses. The standard radial clearance ensures reliable performance in most conditions.

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Product Parameters

  • Part Number 689-672A
  • Brand TFL
  • Interchangeable Timken
  • Size 4.0625" x 6.625" x 1.625"
  • Bore Dia 4.0625"
  • 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 1.375"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.625"
  • Width Tolerance +0.014" to -0.01"
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 5.28"
  • Cone Backface Backing Diameter 4.84"
  • 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 689
  • Cup Part Number 672A
  • 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 7.5 lb

Features

How Does 689-672A Bearing Handle Combined Loads?

689-672A Bearing is crafted with chrome steel rings and rollers, offering robust resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 59,500 lbf, ensuring dependable performance in varied applications.
The steel cage maintains roller alignment, reducing friction and enhancing durability.
With a temperature range of -30° to 110°C, it performs reliably in diverse conditions.

Application

Industrial Uses of 689-672A Bearing
689-672A Bearing is commonly used in heavy machinery like construction equipment and mining tools, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, 689-672A Bearing fits well in wheel hubs and differential systems, providing reliable performance under radial and thrust loads. Its inch sizing makes it a straightforward replacement for Timken equivalents in older vehicles.

For industrial conveyor systems, 689-672A Bearing’s open design simplifies lubrication and maintenance, reducing downtime. The steel cage adds extra strength, making it suitable for high-load scenarios.

Where Is 689-672A Bearing Used?
689-672A Bearing is often found in agricultural machinery, such as tractors and harvesters, where its robust design withstands rough conditions. The standard radial clearance ensures smooth operation even with varying loads.

In manufacturing plants, 689-672A Bearing supports gearboxes and pulleys, thanks to its high dynamic radial load capacity. The ABEC-1 rating balances precision and cost for general industrial use.

Built for Heavy-Duty Use: 689-672A Bearing
689-672A Bearing excels in forestry equipment like log splitters, where its tapered rollers manage heavy combined loads effortlessly. The chrome steel rollers resist wear, extending service life.

For railway applications, 689-672A Bearing’s temperature range (-30° to 110°C) ensures reliability in varying climates. Its compatibility with Timken parts simplifies maintenance for fleet operators.

Automotive vs Aerospace: Applications of 689-672A Bearing
In automotive systems, 689-672A Bearing is ideal for drivetrains, offering a balance of strength and affordability. The inch measurements align with many North American vehicle standards.

For aerospace ground support equipment, 689-672A Bearing’s static radial load capacity (86,700 lbf) handles heavy loads during aircraft maintenance. Its steel cage provides stability under intermittent high stress.

Q&A

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