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TS (Single Row Tapered Roller Bearings) (Imperial) 776W-773

TS (Single Row Tapered Roller Bearings) (Imperial) 776W-773

The 776W-773 is a single-row tapered roller bearing with a 3.75″ bore and 7.0866″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 77800 lbf radially and 13300 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 construction equipment where combined loads are common.

Weighing 11.8 lb, it’s designed for long-lasting performance with standard radial clearance. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 776W-773
  • Brand TFL
  • Interchangeable Timken
  • Size 3.75" x 7.0866" x 1.8898"
  • Bore Dia 3.75"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 7.0866"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.89"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.5748"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.8898"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.12"
  • Cone Frontface Backing Diameter 4.92"
  • Cone Backface Backing Diameter 4.49"
  • Cup Frontface Backing Diameter 6.65"
  • Cup Backface Backing Diameter 6.3"
  • 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 776W
  • Cup Part Number 773
  • 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 11.8 lb

Features

Performance Features of 776W-773 Bearing

776W-773 Bearing is built 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 proper roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environmental conditions.

How Does 776W-773 Bearing Reduce Friction?

776W-773 Bearing features a tapered roller design that minimises friction during operation.
The chrome steel construction ensures smooth movement even under high radial or thrust loads.
Precision tolerances on the cone and cup components contribute to efficient performance.
Regular lubrication further enhances its smooth operation and longevity.

Designed for Durability: 776W-773 Bearing

776W-773 Bearing’s single row construction provides stability and durability in demanding settings.
Its chrome steel components resist wear, maintaining performance over extended periods.
The standard radial clearance options allow for flexibility in different applications.
With a static radial load capacity of 111,000 lbf, it handles substantial weights reliably.

Steel vs Ceramic Bearings: Strengths of 776W-773 Bearing

776W-773 Bearing uses chrome steel for both rollers and rings, offering excellent strength-to-weight ratio.
This material choice provides good resistance to deformation under heavy loads.
The steel cage ensures proper spacing of rollers for consistent performance.
While ceramic bearings may offer some advantages, 776W-773 Bearing delivers reliable performance at competitive costs.

Application

Industrial Uses of 776W-773 Bearing
776W-773 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 776W-773 Bearing Used?
You’ll often find 776W-773 Bearing in automotive axles and wheel hubs, thanks to its ability to manage both radial and thrust loads. Its inch sizing makes it a popular choice for North American vehicle manufacturers.

Built for Heavy-Duty Use: 776W-773 Bearing
776W-773 Bearing excels in industrial gearboxes, where its steel cage and chrome steel rollers provide reliable performance. The standard radial clearance allows for smooth operation under varying loads.

Automotive vs Aerospace: Applications of 776W-773 Bearing
In automotive applications, 776W-773 Bearing supports heavy loads in trucks and buses, while in aerospace, it’s used in landing gear systems. Its ABEC-1 rating ensures consistent precision across different industries.

Practical Applications of 776W-773 Bearing
776W-773 Bearing is ideal for agricultural machinery like tractors, where its robust design handles dirt and debris. The open seal type simplifies maintenance in outdoor settings.

Q&A

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