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

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

The 776-773 is a single-row tapered roller bearing with a 3.75″ bore and 7.0866″ outer diameter, crafted 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 industrial machinery, gearboxes, or automotive systems where combined loads are common.

Weighing 11.8 lb, it’s built to last and complies with RoHS and REACH standards for safe use. The standard radial clearance ensures versatile performance across various setups.

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Product Parameters

  • Part Number 776-773
  • 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 776
  • 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

How Is 776-773 Bearing Engineered for Reliability?

776-773 Bearing is constructed with chrome steel rings and rollers, ensuring strength under combined loads.
Its dynamic radial load capacity reaches 77,800 lbf, making it suitable for 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 reliably in various conditions.

What Makes 776-773 Bearing Suitable for High-Temperature Applications?

776-773 Bearing operates effectively in temperatures up to 110°C, maintaining performance in demanding environments.
The chrome steel components resist wear and deformation under high thermal stress.
Its open design allows for proper lubrication, ensuring smooth operation even in heat-intensive settings.
With a static radial load capacity of 111,000 lbf, it remains stable under extreme conditions.

Built for Durability: 776-773 Bearing

776-773 Bearing features a single-row tapered roller design, optimised for combined load handling.
The precision-engineered chrome steel rollers reduce friction, enhancing efficiency and longevity.
Its standard radial clearance options (C3/C4/C5) allow for flexibility in different applications.
Weighing 11.8 lb, it balances robustness with manageable installation.

Application

Industrial Uses of 776-773 Bearing
The 776-773 Bearing is commonly used in heavy machinery like construction equipment and mining gear, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability even in tough working conditions.

Where Is 776-773 Bearing Used?
You’ll often find 776-773 Bearing in automotive axles and wheel hubs, where its high load capacity supports smooth vehicle operation. The imperial sizing makes it a good fit for American-made trucks and industrial vehicles.

Built for Heavy-Duty Use: 776-773 Bearing
776-773 Bearing excels in agricultural machinery, such as tractors and harvesters, thanks to its robust steel cage and tapered rollers. It’s also easy to maintain, which is handy for equipment that sees frequent use.

Automotive vs Aerospace: Applications of 776-773 Bearing
In automotive settings, 776-773 Bearing handles the demands of drivetrains and differentials, while its precision makes it suitable for certain aerospace landing gear components. The open design allows for proper lubrication in both environments.

Key Fields for 776-773 Bearing
776-773 Bearing is a reliable choice for industrial fans and pumps, where its tapered rollers manage radial and thrust loads effectively. The standard radial clearance ensures consistent performance across various temperatures.

Q&A

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