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TS (Single Row Tapered Roller Bearings) (Imperial) 77375-77676X

TS (Single Row Tapered Roller Bearings) (Imperial) 77375-77676X

The 77375-77676X is a single-row tapered roller bearing with a 3.75″ bore and 6.75″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 90500 lbf radial and 14700 lbf thrust, making it robust for heavy-duty use.

Its open design allows for 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 applications like truck axles or industrial gearboxes where high load capacity is needed.

Weighing 10.5 lb, it’s built to last with standard radial clearance options. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 77375-77676X
  • Brand TFL
  • Interchangeable Timken
  • Size 3.75" x 6.75" x 2"
  • Bore Dia 3.75"
  • 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 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 4.88"
  • Cone Backface Backing Diameter 4.45"
  • 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 77375
  • 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 90500 lbf
  • Static Radial Load 107000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 23500 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 14700 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 10.5 lb

Features

How Is 77375-77676X Bearing Engineered for Reliability?

77375-77676X Bearing features chrome steel rings and rollers, ensuring strength and durability under combined loads.
Its dynamic radial load capacity reaches 90,500 lbf, making it suitable for heavy-duty applications.

The tapered roller design provides effective load distribution, reducing stress on individual components.
With a standard radial clearance, it offers reliable performance in various operating conditions.

77375-77676X Bearing operates within a temperature range of -30° to 110°C, maintaining stability in diverse environments.
The steel cage keeps rollers aligned, enhancing longevity and reducing maintenance needs.

Its ABEC-1 rating ensures consistent precision, while the open design simplifies lubrication.
This bearing is ideal for applications requiring both radial and thrust load support.

Application

Industrial Uses of 77375-77676X Bearing
77375-77676X Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined radial and thrust loads effectively. The chrome steel construction ensures durability in demanding environments.

In automotive applications, 77375-77676X Bearing supports wheel hubs and drivetrain components, providing reliable performance under varying loads. Its inch sizing makes it compatible with many North American vehicle models.

For industrial fans and pumps, 77375-77676X Bearing’s open design allows for easy lubrication, extending service life in continuous operation. The steel cage adds stability during high-speed rotations.

Where Is 77375-77676X Bearing Used?
77375-77676X Bearing fits well in agricultural machinery, such as tractors and harvesters, where its robust design withstands dirt and moisture. The standard radial clearance offers flexibility in different operating conditions.

In material handling systems, 77375-77676X Bearing ensures smooth conveyor belt operation, thanks to its ability to manage heavy loads. The ABEC-1 rating provides sufficient precision for most industrial needs.

Built for Heavy-Duty Use: 77375-77676X Bearing
77375-77676X Bearing excels in mining equipment, where its high dynamic load capacity handles extreme conditions. The tapered rollers distribute stress evenly, reducing wear.

For railway applications, 77375-77676X Bearing’s reliability makes it suitable for axle boxes, ensuring safe and efficient train operations. The temperature range accommodates both hot and cold climates.

Automotive vs Aerospace: Applications of 77375-77676X Bearing
In automotive systems, 77375-77676X Bearing is ideal for differentials and transmissions, offering balanced performance. Its inch measurements align with standard automotive parts.

For aerospace ground equipment, 77375-77676X Bearing provides dependable support in loading platforms and maintenance tools. The chrome steel rollers resist corrosion in outdoor settings.

Q&A

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