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TS (Single Row Tapered Roller Bearings) (Imperial) 779-772

TS (Single Row Tapered Roller Bearings) (Imperial) 779-772

The 779-772 is a single-row tapered roller bearing with a 3.875″ bore and 7.125″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 77800 lbf radially and 13300 lbf thrust, making it robust for heavy-duty use.

Its open design allows easy lubrication, while the steel cage ensures reliable performance. The bearing operates smoothly in temperatures from -30°C to 110°C, suitable for various industrial conditions.

This model is interchangeable with Timken bearings, offering a practical replacement option. Ideal for applications like gearboxes, wheel hubs, or machinery where combined loads are common.

Weighing 11.5 lb, it’s sturdy yet manageable for its size. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 779-772
  • Brand TFL
  • Interchangeable Timken
  • Size 3.875" x 7.125" x 1.875"
  • Bore Dia 3.875"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 7.125"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.89"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.5"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.875"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 5.04"
  • Cone Backface Backing Diameter 4.57"
  • Cup Frontface Backing Diameter 6.65"
  • Cup Backface Backing Diameter 6.34"
  • Cage Cone Frontface Clearance 0.07"
  • Cage Cone Backface Clearance 0.13"
  • Effective Center Location -0.32"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 779
  • Cup Part Number 772
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 775
  • Ring Material Chrome Steel
  • Roller 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 Thrust Rating(90 Million Revolutions)(Ca90) 13300 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 11.5 lb

Features

Performance Features of 779-772 Bearing

779-772 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 77,800 lbf, making it suitable for heavy-duty applications.

The steel cage ensures proper roller alignment, reducing friction and wear.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

779-772 Bearing’s standard radial clearance allows for smooth operation.
Its ABEC-1 rating ensures consistent performance in industrial settings.

The tapered roller design efficiently handles both radial and thrust loads.
Lubrication is required to maintain optimal performance over time.

779-772 Bearing’s single-row construction simplifies installation and maintenance.
Its durable materials and design contribute to a long service life.

Application

Industrial Uses of 779-772 Bearing
779-772 Bearing is commonly used in heavy machinery, such as construction equipment and mining tools, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

Where Is 779-772 Bearing Used?
In automotive applications, 779-772 Bearing supports axle systems and wheel hubs, providing reliable performance under both radial and thrust loads. Its inch sizing makes it a fit for many North American vehicle models.

Built for Heavy-Duty Use: 779-772 Bearing
779-772 Bearing excels in industrial gearboxes, where its open design allows for easy lubrication and maintenance. The steel cage adds stability, making it suitable for high-load scenarios.

Automotive vs Aerospace: Applications of 779-772 Bearing
779-772 Bearing is versatile enough for automotive drivetrains and aerospace landing gear, thanks to its robust construction. The standard radial clearance ensures smooth operation across different temperature ranges.

Key Fields for 779-772 Bearing
779-772 Bearing finds its place in agricultural machinery, particularly in tractors and harvesters, where its combined load capacity is essential. The ABEC-1 rating balances precision and cost-effectiveness for these applications.

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