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TS (Single Row Tapered Roller Bearings) (Imperial) 77350-77676X

TS (Single Row Tapered Roller Bearings) (Imperial) 77350-77676X

The 77350-77676X is a single-row tapered roller bearing with a 3.5″ bore and 6.75″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 76400 lbf radially and 12400 lbf thrust, making it a robust choice for heavy-duty applications.

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 use in industrial machinery, gearboxes, or automotive systems where combined loads are common.

Weighing 11.20 lb, it’s built to last while maintaining standard radial clearance. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 77350-77676X
  • Brand TFL
  • Interchangeable Timken
  • Size 3.5" x 6.75" x 2"
  • Bore Dia 3.5"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 6.75"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.9"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.625"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 2"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.2"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 4.64"
  • Cone Backface Backing Diameter 4.33"
  • Cup Frontface Backing Diameter 6.36"
  • Cup Backface Backing Diameter 5.98"
  • Cage Cone Frontface Clearance 0.07"
  • Cage Cone Backface Clearance 0.11"
  • Effective Center Location -0.38"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 77350
  • Cup Part Number 77676X
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 77000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 76400 lbf
  • Static Radial Load 107000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 19800 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 12400 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 11.20 lb

Features

Performance Features of 77350-77676X Bearing

77350-77676X Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 76,400 lbf, making it suitable for heavy-duty applications.

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

77350-77676X Bearing requires lubrication, ensuring smooth operation and reduced wear over time.
Its standard radial clearance provides flexibility for different installation needs.

Application

Industrial Uses of 77350-77676X Bearing
77350-77676X Bearing is commonly used in heavy machinery like 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 77350-77676X Bearing Used?
You’ll often find 77350-77676X Bearing in automotive applications, particularly in wheel hubs and differential systems. Its inch sizing makes it a reliable choice for American-made vehicles.

Built for Heavy-Duty Use: 77350-77676X Bearing
77350-77676X Bearing excels in industrial gearboxes, providing smooth operation under high radial and thrust loads. The steel cage adds extra strength, making it suitable for long-term use.

Automotive vs Aerospace: Applications of 77350-77676X Bearing
In automotive systems, 77350-77676X Bearing supports heavy loads in drivetrains, while its precision also makes it useful in aerospace landing gear. The ABEC-1 rating ensures consistent performance.

Practical Applications of 77350-77676X Bearing
77350-77676X Bearing is a go-to for agricultural machinery, where its robust design handles rough conditions. The standard radial clearance option allows for easy integration into existing systems.

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