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TS (Single Row Tapered Roller Bearings) (Imperial) 787-772A

TS (Single Row Tapered Roller Bearings) (Imperial) 787-772A

The 787-772A is a single-row tapered roller bearing with a 4.125″ bore and 6.875″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 77800 lbf radially and 13300 lbf thrust, making it suitable for heavy-duty applications.

Its open design allows for easy lubrication, while the steel cage ensures reliable performance. The bearing operates smoothly 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 combined loads are common.

Weighing 9.4 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 787-772A
  • Brand TFL
  • Interchangeable Timken
  • Size 4.125" x 6.875" x 1.8751"
  • Bore Dia 4.125"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 6.875"
  • 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 1.8751"
  • Width Tolerance +0.014" to -0.01"
  • Cone Backface ToClear Radius 0.280"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 5.43"
  • Cone Backface Backing Diameter 5.08"
  • Cup Frontface Backing Diameter 6.61"
  • Cup Backface Backing Diameter 6.22"
  • 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 787
  • Cup Part Number 772A
  • 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 9.4 lb

Features

How Does 787-772A Bearing Handle Combined Loads?

787-772A Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 77,800 lbf, ensuring reliable performance in demanding conditions.
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.

What Makes 787-772A Bearing Suitable for Heavy-Duty Applications?

787-772A Bearing features a single-row tapered roller design, optimised for handling combined loads efficiently.
The chrome steel construction provides durability, while the standard radial clearance ensures smooth operation.
Its static radial load capacity of 111,000 lbf makes it ideal for heavy-duty machinery.
The open seal type allows for easy lubrication, maintaining performance over time.

Engineered for Precision: 787-772A Bearing

787-772A Bearing is precision-crafted with tight tolerances, ensuring accurate performance in industrial applications.
The tapered roller design minimises friction, enhancing efficiency and reducing wear.
With an ABEC-1 rating, it meets high standards for precision and reliability.
The steel cage ensures proper roller spacing, contributing to long service life.

Application

Industrial Uses of 787-772A Bearing
787-772A Bearing is commonly used in heavy machinery like construction equipment and mining rigs, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

Where Is 787-772A Bearing Used?
You’ll often find 787-772A Bearing in automotive applications, particularly in wheel hubs and differential systems. Its inch sizing makes it a reliable choice for American-made vehicles and industrial gearboxes.

Built for Heavy-Duty Use: 787-772A Bearing
787-772A Bearing excels in agricultural machinery, supporting high radial and thrust loads in tractors and harvesters. The open design allows for easy lubrication, extending its service life in dusty conditions.

Automotive vs Aerospace: Applications of 787-772A Bearing
In automotive systems, 787-772A Bearing provides stability for drivetrain components, while in aerospace, it’s used in auxiliary equipment due to its precise load handling. The steel cage adds robustness for varied operational demands.

Key Fields for 787-772A Bearing
787-772A Bearing is ideal for industrial fans and pumps, where its ABEC-1 rating ensures consistent performance. The standard radial clearance offers flexibility for different installation requirements.

Q&A

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