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TS (Single Row Tapered Roller Bearings) (Imperial) 782-772A

TS (Single Row Tapered Roller Bearings) (Imperial) 782-772A

The 782-772A is a single-row tapered roller bearing with a 4.125″ 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 or automotive applications where combined loads are common.

Weighing 9.5 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and sustainable use.

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Product Parameters

  • Part Number 782-772A
  • 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 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 5.43"
  • Cone Backface Backing Diameter 4.8"
  • 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 782
  • 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 9.5 lb

Features

Performance Features of 782-772A Bearing

782-772A Bearing is constructed with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 77,800 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 782-772A Bearing Engineered for Reliability?

782-772A Bearing features a single-row tapered roller design, optimised for handling both radial and thrust loads.
The chrome steel construction enhances durability, while the standard radial clearance allows for smooth operation.
Its effective centre location of -0.32″ ensures stable performance under varying load conditions.
This bearing is interchangeable with Timken models, providing flexibility in replacements.

Built for Durability: 782-772A Bearing

782-772A Bearing’s robust design includes a steel cage that withstands heavy loads and reduces wear.
The tapered roller construction distributes loads evenly, improving efficiency and longevity.
With a static radial load capacity of 111,000 lbf, it excels in demanding industrial applications.
Its ABEC-1 rating ensures consistent precision in performance.

Steel vs Ceramic Bearings: Strengths of 782-772A Bearing

782-772A Bearing uses chrome steel for both rings and rollers, offering excellent strength and durability.
This material choice provides superior load-bearing capabilities compared to ceramic alternatives in heavy industrial use.
The bearing’s dynamic thrust rating of 13,300 lbf ensures reliable performance under combined loads.
Its standard lubrication requirement simplifies maintenance while ensuring smooth operation.

Application

Industrial Uses of 782-772A Bearing
782-772A Bearing is commonly used in heavy machinery like construction equipment and mining vehicles, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in tough working conditions.

Where Is 782-772A Bearing Used?
In automotive applications, 782-772A Bearing supports axle systems and wheel hubs, providing reliable performance under radial and thrust loads. Its inch sizing makes it a good fit for American-made vehicles.

Built for Heavy-Duty Use: 782-772A Bearing
782-772A Bearing is ideal for industrial gearboxes, where its single-row design simplifies installation and maintenance. The steel cage adds strength, making it suitable for high-load scenarios.

Automotive vs Aerospace: Applications of 782-772A Bearing
782-772A Bearing is often found in truck transmissions, where its dynamic load capacity ensures smooth operation. While not typically used in aerospace, it excels in ground-based heavy transport.

Key Fields for 782-772A Bearing
782-772A Bearing works well in agricultural machinery like tractors, handling uneven loads with ease. The standard radial clearance allows for flexibility in various operating conditions.

Q&A

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