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787 Single Cones (Imperial)
787 Single Cones (Imperial)

787 Single Cones (Imperial)

The 787 single cones are tapered roller bearings designed for combined loads, with a 4.125-inch bore and made from durable chrome steel. They handle dynamic radial loads up to 77800 lbf and static radial loads up to 111000 lbf, suitable for heavy-duty applications.

Their open design and steel cage ensure easy maintenance and long service life. The bearings operate smoothly in temperatures ranging from -30°C to 110°C, making them versatile for various environments.

These cones are interchangeable with Timken bearings, offering a reliable replacement option. Ideal for use in industrial machinery, automotive systems, and equipment requiring robust load-bearing capacity.

With standard radial clearance and ABEC-1 rating, they provide dependable performance. Compliant with RoHS and REACH standards, they are safe for widespread use.

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Product Parameters

  • Part Number 787
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number 787-772 , 787-772A , 787-773
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Series 775
  • Bore Dia 4.125"
  • Bore Dia Tolerance +0.001" to 0
  • Cone Width 1.89"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.28"
  • Cone Frontface Backing Diameter 4.57"
  • Cone Backface Backing Diameter 5.08"
  • Cage Cone Frontface Clearance 0.07"
  • Cage Cone Backface Clearance 0.13"
  • Effective Center Location -0.32"
  • Ring Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 77800 lbf
  • Static Radial Load 111000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 20200 lbf
  • Dynamic Radial Rating(Two Row 1 Million Revolutions)(C1) 135000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 13300 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 35100 lbf
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant

Features

How Does 787 Bearing Handle Combined Loads?

787 Bearing is designed with chrome steel rings and a steel cage, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 77,800 lbf, ensuring reliable performance in demanding applications.
The tapered roller design allows for efficient load distribution, reducing wear and extending service life.
With a temperature range of -30° to 110°C, it performs well in various operating conditions.

Why Choose 787 Bearing for Precision Tasks?

787 Bearing features a standard radial clearance and ABEC-1 rating, providing consistent precision in industrial applications.
The effective center location of -0.32″ ensures stable operation under combined loads.
Its chrome steel construction enhances durability, while the steel cage maintains roller alignment.
This design minimises friction, contributing to smoother performance over time.

Engineered for Reliability: 787 Bearing

787 Bearing’s single-row tapered roller construction is optimised for heavy-duty use with a static radial load of 111,000 lbf.
The cone width tolerance of +0.003″ to -0.01″ ensures precise fitting during installation.
Its dynamic thrust rating of 13,300 lbf (Ca90) makes it suitable for applications requiring both radial and axial support.
The open seal design allows for easy inspection and maintenance when needed.

Material Composition of 787 Bearing

787 Bearing uses high-quality chrome steel for its rings, providing excellent strength and wear resistance.
The steel cage ensures reliable roller positioning, even under high-speed conditions.
This material combination offers good corrosion resistance within its specified temperature range.
The robust construction contributes to a longer operational life in industrial environments.

Performance Features of 787 Bearing

787 Bearing delivers consistent performance with its C90 dynamic radial rating of 20,200 lbf for single-row configurations.
The tapered roller design efficiently manages combined loads while maintaining low friction.
Its standard radial clearance (with optional C3/C4/C5) allows for flexibility in different applications.
The bearing meets RoHS and REACH compliance standards for environmental safety.

Application

Industrial Uses of 787 Bearing
787 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 in demanding environments.

In automotive applications, 787 Bearing supports axle systems and wheel hubs, providing reliable performance under both radial and thrust loads. Its inch sizing makes it compatible with many North American vehicle models.

For industrial conveyor systems, 787 Bearing’s open design allows for easy lubrication and maintenance, extending service life. The steel cage adds strength, making it suitable for high-load scenarios.

Where Is 787 Bearing Used?
You’ll often find 787 Bearing 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 railway applications, 787 Bearing supports freight car axles, offering stability and reducing wear over long distances. Its temperature range makes it reliable in diverse climates.

Built for Heavy-Duty Use: 787 Bearing
787 Bearing excels in forestry equipment like log skidders, where its tapered rollers manage uneven loads. The ABEC-1 rating balances precision and cost-effectiveness for industrial use.

For oilfield machinery, 787 Bearing’s high dynamic load capacity ensures reliability in pumps and drilling rigs. The steel cage resists deformation under extreme pressures.

Automotive vs Aerospace: Applications of 787 Bearing
In automotive systems, 787 Bearing is ideal for truck differentials, handling heavy loads with ease. Its inch measurements simplify replacements in older vehicles.

While not typically used in aerospace, 787 Bearing’s durability makes it suitable for ground support equipment like tugs and loaders. The chrome steel rings resist corrosion in outdoor settings.

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