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TS (Single Row Tapered Roller Bearings) (Imperial) 681-672

TS (Single Row Tapered Roller Bearings) (Imperial) 681-672

The 681-672 is a single row tapered roller bearing with a 3.625″ bore and 6.625″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 59500 lbf radially and 12400 lbf in thrust, making it versatile for various applications.

Its open design allows for 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, offering a reliable replacement option. Ideal for industrial machinery or automotive systems where combined loads are common.

Weighing 8.5 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 681-672
  • Brand TFL
  • Interchangeable Timken
  • Size 3.625" x 6.625" x 1.625"
  • Bore Dia 3.625"
  • 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 1.1875"
  • 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 4.76"
  • Cone Backface Backing Diameter 4.33"
  • 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 681
  • Cup Part Number 672
  • 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 8.5 lb

Features

How Is 681-672 Bearing Engineered for Reliability?

681-672 Bearing features chrome steel rings and rollers, ensuring durability under combined loads.
Its dynamic radial load capacity reaches 59,500 lbf, making it suitable for demanding applications.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various environments.

What Makes 681-672 Bearing Suitable for High-Temperature Applications?

681-672 Bearing is built with chrome steel components, offering resistance to high temperatures up to 110°C.
The tapered roller design efficiently handles combined loads, ensuring stable performance.
Its standard radial clearance options provide flexibility for different operational needs.
The bearing’s robust construction minimises wear, even in challenging conditions.

Built for Durability: 681-672 Bearing

681-672 Bearing’s single-row tapered roller design excels in handling both radial and thrust loads.
Chrome steel materials enhance its strength, supporting static radial loads up to 86,700 lbf.
The steel cage ensures smooth operation, reducing maintenance requirements.
With an ABEC-1 rating, it balances precision and reliability for industrial use.

Application

Industrial Uses of 681-672 Bearing
The 681-672 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability in tough working conditions.

Where Is 681-672 Bearing Used?
You’ll often find 681-672 Bearing in automotive applications, particularly in wheel hubs and differential systems. Its inch sizing makes it a reliable choice for older or custom-built vehicles.

Built for Heavy-Duty Use: 681-672 Bearing
This bearing excels in industrial fans and pumps, where its open design allows for easy lubrication and maintenance. The steel cage adds stability, even under high radial loads.

Automotive vs Aerospace: Applications of 681-672 Bearing
In automotive settings, 681-672 Bearing supports drivetrain components, while its precision makes it suitable for certain aerospace landing gear systems. The temperature range ensures performance in varied environments.

Practical Applications of 681-672 Bearing
For conveyor systems in mining, 681-672 Bearing offers reliable performance with its high static radial load capacity. The standard radial clearance provides flexibility for different operational needs.

Q&A

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