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TS (Single Row Tapered Roller Bearings) (Imperial) 780W-773

TS (Single Row Tapered Roller Bearings) (Imperial) 780W-773

The 780W-773 is a single-row tapered roller bearing with a 4-inch bore and 7.0866-inch outer diameter, crafted from durable chrome steel. It handles combined loads up to 77800 lbf radially and 13300 lbf thrust, making it robust for heavy-duty use.

Its open design allows easy lubrication, while the steel cage ensures reliable performance. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model is interchangeable with Timken bearings, offering a practical replacement option. Ideal for industrial machinery or automotive applications where combined loads are common.

Weighing 11 lb, it’s sturdy yet manageable for its size. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 780W-773
  • Brand TFL
  • Interchangeable Timken
  • Size 4" x 7.0866" x 1.8898"
  • Bore Dia 4"
  • 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 5.24"
  • Cone Backface Backing Diameter 4.69"
  • 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 780W
  • 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 lb

Features

Performance Features of 780W-773 Bearing

780W-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 780W-773 Bearing Reduce Friction?

780W-773 Bearing’s tapered roller design minimises friction, allowing smooth operation under combined loads.
The chrome steel construction ensures durability while maintaining efficient performance.
Precision-engineered cage clearances help keep rollers aligned, further reducing wear.
This design contributes to lower maintenance needs and longer service intervals.

Built for Reliability: 780W-773 Bearing

780W-773 Bearing handles both radial and thrust loads effectively, thanks to its single-row tapered roller design.
With a static radial load capacity of 111,000 lbf, it excels in demanding industrial applications.
The standard radial clearance option provides flexibility for different operational requirements.
Its ABEC-1 rating ensures consistent performance for various precision needs.

Application

Industrial Uses of 780W-773 Bearing
780W-773 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. The inch sizing makes it a straightforward fit for North American industrial standards.

In automotive applications, 780W-773 Bearing supports wheel hubs and drivetrain components, offering reliable performance under varying loads. Its chrome steel construction ensures durability even in demanding conditions.

For conveyor systems, 780W-773 Bearing’s open design simplifies maintenance, while its high dynamic load capacity keeps operations smooth. The steel cage adds extra resilience for long-term use.

Where Is 780W-773 Bearing Used?
You’ll often find 780W-773 Bearing in mining equipment, where its robust design withstands harsh environments. The tapered rollers distribute loads evenly, reducing wear over time.

In wind turbines, 780W-773 Bearing handles the axial and radial stresses of rotating blades. Its temperature tolerance ensures stable performance in varying weather conditions.

Built for Heavy-Duty Use: 780W-773 Bearing
780W-773 Bearing excels in railroad applications, supporting axles and bogies with its high static load capacity. The standard radial clearance allows for easy installation and adjustment.

For oilfield machinery, 780W-773 Bearing’s chrome steel rollers resist corrosion and wear. Its ABEC-1 rating balances precision and cost-effectiveness for industrial needs.

Automotive vs Aerospace: Applications of 780W-773 Bearing
In automotive settings, 780W-773 Bearing is ideal for heavy trucks and trailers, where its load handling shines. The inch measurements align with common vehicle specs.

For aerospace ground support equipment, 780W-773 Bearing’s reliability keeps operations running smoothly. Its steel cage and chrome steel rollers ensure consistent performance under stress.

Q&A

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