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TS (Single Row Tapered Roller Bearings) (Imperial) 82788-82720

TS (Single Row Tapered Roller Bearings) (Imperial) 82788-82720

The 82788-82720 is a single-row tapered roller bearing with a 7.5″ bore and 11.375″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 130,000 lbf radially and 20,600 lbf thrust, making it robust for heavy-duty use.

Its open design allows easy lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures from -30°C to 110°C, suitable for varied environments.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for industrial machinery or automotive applications where high radial and thrust loads are common.

Weighing 27 lb, it’s designed for stability and long service life. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 82788-82720
  • Brand TFL
  • Interchangeable Timken
  • Size 7.5" x 11.375" x 2.1875"
  • Bore Dia 7.5"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 11.375"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 2.1875"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.6875"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 2.1875"
  • Width Tolerance +0.014" to -0.01"
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 8.98"
  • Cone Backface Backing Diameter 8.27"
  • Cup Frontface Backing Diameter 10.68"
  • Cup Backface Backing Diameter 10.43"
  • Cage Cone Frontface Clearance 0.13"
  • Cage Cone Backface Clearance 0.18"
  • Effective Center Location -0.11"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 82788
  • Cup Part Number 82720
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 82700
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 130000 lbf
  • Static Radial Load 239000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 33600 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 20600 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 27.000 lb

Features

Performance Features of 82788-82720 Bearing

82788-82720 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 130,000 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 various conditions.

How Is 82788-82720 Bearing Engineered for Reliability?

82788-82720 Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction provides excellent wear resistance, extending its service life.
Its dynamic thrust rating of 20,600 lbf ensures consistent performance under stress.
The standard radial clearance options allow for flexibility in different applications.

Built for Durability: 82788-82720 Bearing

82788-82720 Bearing’s robust design includes a steel cage for maintaining roller alignment.
The chrome steel rollers and rings enhance its ability to handle static radial loads up to 239,000 lbf.
Its ABEC-1 rating ensures reliable precision in industrial settings.
The bearing operates efficiently within a wide temperature range, from -30° to 110°C.

Steel vs Ceramic Bearings: Strengths of 82788-82720 Bearing

82788-82720 Bearing uses chrome steel for both rollers and rings, providing excellent strength.
This material choice ensures it can handle dynamic radial loads up to 130,000 lbf.
The steel cage adds durability, making it a cost-effective solution for heavy machinery.
Its standard radial clearance options offer versatility across different operating conditions.

Application

Industrial Uses of 82788-82720 Bearing
This 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 in tough working conditions.

Where Is 82788-82720 Bearing Used?
You’ll often find this bearing in large industrial gearboxes and power transmission systems. Its open design allows for easy lubrication, which is essential for maintaining performance over time.

Built for Heavy-Duty Use: 82788-82720 Bearing
The 82788-82720 Bearing excels in applications like agricultural machinery and railroad axles, where reliability is key. Its standard radial clearance makes it versatile for various load conditions.

Automotive vs Aerospace: Applications of 82788-82720 Bearing
In automotive settings, this bearing supports heavy-duty truck axles and drivetrains. For aerospace, it’s less common but can be found in ground support equipment due to its robust design.

Practical Applications of 82788-82720 Bearing
The 82788-82720 Bearing is a go-to choice for wind turbine yaw systems, where its ability to handle dynamic loads is crucial. The steel cage adds extra strength for long-term use.

Q&A

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