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TS (Single Row Tapered Roller Bearings) (Imperial) 775-772A

TS (Single Row Tapered Roller Bearings) (Imperial) 775-772A

The 775-772A is a single-row tapered roller bearing with a 3.5″ bore and 6.875″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 77800 lbf radially and 13300 lbf thrust, making it versatile for heavy-duty use.

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 industrial machinery, gearboxes, or heavy equipment where combined loads are common.

Weighing 11.4 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for various applications.

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Product Parameters

  • Part Number 775-772A
  • Brand TFL
  • Interchangeable Timken
  • Size 3.5" x 6.875" x 1.8751"
  • Bore Dia 3.5"
  • 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 +0.008" to 0
  • Cone Backface ToClear Radius 0.190"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 4.75"
  • Cone Backface Backing Diameter 4.41"
  • 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 775
  • 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 11.4 lb

Features

Performance Features of 775-772A Bearing

775-772A Bearing is crafted with chrome steel rings and rollers, offering robust performance under 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 enhancing durability.
With a temperature range of -30° to 110°C, it performs reliably in varied conditions.

775-772A Bearing’s standard radial clearance and ABEC-1 rating provide consistent precision.
Its open design simplifies lubrication, ensuring smooth operation over extended periods.

Application

Industrial Uses of 775-772A Bearing
The 775-772A 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 tough working conditions.

Where Is 775-772A Bearing Used?
You’ll often find 775-772A 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: 775-772A Bearing
775-772A Bearing is ideal for industrial gearboxes, providing reliable performance under constant stress. Its standard radial clearance makes it versatile for various applications, from conveyor systems to power transmission units.

Automotive vs Aerospace: Applications of 775-772A Bearing
In automotive applications, 775-772A Bearing is used in wheel hubs and differentials, offering stability under heavy loads. For aerospace, its precision and durability make it suitable for auxiliary systems requiring consistent performance.

Practical Applications of 775-772A Bearing
775-772A Bearing works well in railway systems, particularly in axle boxes where combined loads are common. The steel cage and chrome steel rollers ensure smooth operation even in high-vibration environments.

Q&A

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