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TS (Single Row Tapered Roller Bearings) (Imperial) 687P-674

TS (Single Row Tapered Roller Bearings) (Imperial) 687P-674

The 687P-674 is a single-row tapered roller bearing with a 4″ bore and 6.75″ outer diameter, built from sturdy chrome steel for long-lasting performance. It handles combined loads up to 70,500 lbf radially and 14,700 lbf thrust, making it suitable for heavy-duty applications.

Its open design allows for easy lubrication, while the steel cage ensures smooth operation even under stress. The bearing works reliably in temperatures ranging from -30°C to 110°C.

This model is interchangeable with Timken bearings, offering a practical replacement option. Ideal for use in industrial machinery or automotive systems where high load capacity is needed.

Weighing 7.8 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, ensuring safe and eco-friendly use.

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Product Parameters

  • Part Number 687P-674
  • Brand TFL
  • Interchangeable Timken
  • Size 4" x 6.75" x 1.625"
  • Bore Dia 4"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 6.75"
  • 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 5.24"
  • Cone Backface Backing Diameter 4.76"
  • 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 687P
  • Cup Part Number 674
  • 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 70500 lbf
  • Static Radial Load 86700 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 18300 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 14700 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 7.8 lb

Features

How Does 687P-674 Bearing Handle Combined Loads?

687P-674 Bearing is built with chrome steel rings and rollers, providing strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 70,500 lbf, ensuring reliable performance in demanding applications.
The steel cage keeps the tapered rollers aligned, reducing wear and extending service life.
With a temperature range of -30° to 110°C, it performs well in various operating conditions.

Structural Advantages of 687P-674 Bearing

687P-674 Bearing features a single-row tapered roller design, optimised for combined load handling.
The precise cone and cup dimensions ensure smooth operation and easy installation.
Its standard radial clearance allows for flexibility in different applications.
The chrome steel construction enhances durability and resistance to wear.

Why Choose 687P-674 Bearing for Heavy-Duty Applications?

687P-674 Bearing offers a static radial load capacity of 86,700 lbf, making it suitable for heavy-duty use.
The tapered roller design distributes loads evenly, reducing stress on individual components.
Its steel cage provides stability, even under high-speed conditions.
The bearing’s ABEC-1 rating ensures consistent performance in industrial settings.

Engineered for Reliability: 687P-674 Bearing

687P-674 Bearing’s chrome steel rollers and rings are designed for long-lasting performance.
The open seal type allows for easy lubrication and maintenance.
With a dynamic thrust rating of 14,700 lbf, it handles axial loads efficiently.
Its standard radial clearance options make it versatile for various applications.

Application

Industrial Uses of 687P-674 Bearing
The 687P-674 Bearing is commonly used in heavy machinery, such as construction equipment and mining tools, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability in demanding environments.

Where Is 687P-674 Bearing Used?
You’ll often find the 687P-674 Bearing in agricultural machinery, like tractors and harvesters, where its robust design supports high radial and thrust loads. The open seal type allows for easy lubrication, extending its service life.

Built for Heavy-Duty Use: 687P-674 Bearing
In industrial gearboxes, the 687P-674 Bearing provides reliable performance under continuous operation. Its standard radial clearance makes it adaptable to various load conditions without compromising stability.

Automotive vs Aerospace: Applications of 687P-674 Bearing
The 687P-674 Bearing is a go-to choice for truck axles, offering strength and precision. While not typically used in aerospace, its inch sizing makes it ideal for North American automotive standards.

Perfect Fit for Automation: 687P-674 Bearing
For conveyor systems in manufacturing plants, the 687P-674 Bearing ensures smooth movement under heavy loads. Its steel cage adds extra resilience, making it suitable for high-use scenarios.

Q&A

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