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TS (Single Row Tapered Roller Bearings) (Imperial) 687P-673

TS (Single Row Tapered Roller Bearings) (Imperial) 687P-673

The 687P-673 is a single-row tapered roller bearing with a 4-inch bore and 6.6919-inch outer diameter, crafted from sturdy chrome steel. 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 durability under high stress. 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 use in industrial machinery or automotive systems where combined loads are common.

Weighing 7.7 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and environmentally friendly use.

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Product Parameters

  • Part Number 687P-673
  • Brand TFL
  • Interchangeable Timken
  • Size 4" x 6.6919" x 1.625"
  • Bore Dia 4"
  • 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 0.14"
  • 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 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 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 7.7 lb

Features

Performance Features of 687P-673 Bearing

687P-673 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 70,500 lbf, ensuring reliable performance in heavy-duty applications.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environments.

How Is 687P-673 Bearing Engineered for Reliability?

687P-673 Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction enhances durability, while the standard radial clearance allows for smooth operation.
Its dynamic thrust rating of 14,700 lbf ensures consistent performance under pressure.
The bearing requires lubrication, which helps maintain efficiency over time.

Built for Durability: 687P-673 Bearing

687P-673 Bearing’s chrome steel components provide excellent wear resistance, even under heavy loads.
The tapered roller design distributes stress evenly, reducing fatigue and extending service life.
With a static radial load capacity of 86,700 lbf, it handles demanding applications with ease.
The open seal type allows for easy inspection and maintenance.

Steel vs Ceramic Bearings: Strengths of 687P-673 Bearing

687P-673 Bearing uses chrome steel for both rings and rollers, offering a balance of strength and cost-effectiveness.
Its dynamic radial rating of 18,300 lbf at 90 million revolutions ensures long-term reliability.
The steel cage provides robust support, keeping rollers aligned during operation.
This design is particularly suited for industrial applications where durability is key.

Application

Industrial Uses of 687P-673 Bearing
The 687P-673 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 even in demanding environments.

Where Is 687P-673 Bearing Used?
You’ll often find 687P-673 Bearing in industrial gearboxes and power transmission systems, thanks to its ability to manage both radial and thrust loads. The inch sizing makes it a straightforward fit for machinery following imperial standards.

Built for Heavy-Duty Use: 687P-673 Bearing
687P-673 Bearing excels in applications like mining equipment, where its robust steel cage and high load capacity are essential. The open design allows for easy lubrication, extending its service life in tough conditions.

Automotive vs Aerospace: Applications of 687P-673 Bearing
In automotive drivetrains, 687P-673 Bearing supports axles and differentials, while in aerospace, it’s used in auxiliary systems requiring reliable performance. Its ABEC-1 rating ensures consistent precision across these varied uses.

Perfect Fit for Automation: 687P-673 Bearing
687P-673 Bearing is a solid choice for automated conveyor systems, where its tapered rollers provide smooth motion under heavy loads. The standard radial clearance offers flexibility for different operational needs.

Q&A

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