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TS (Single Row Tapered Roller Bearings) (Imperial) 786-773

TS (Single Row Tapered Roller Bearings) (Imperial) 786-773

The 786-773 is a single-row tapered roller bearing with a 4.125″ bore and 7.0866″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 77800 lbf radially and 13300 lbf thrust, making it a sturdy choice for heavy-duty applications.

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

This model is interchangeable with Timken bearings, offering a practical replacement option. Ideal for machinery like gearboxes or conveyors where both radial and thrust loads are present.

Weighing 10.5 lb, it’s built to last while meeting RoHS and REACH standards for safety and compliance. The standard radial clearance ensures versatility across different setups.

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Product Parameters

  • Part Number 786-773
  • Brand TFL
  • Interchangeable Timken
  • Size 4.125" x 7.0866" x 1.8898"
  • Bore Dia 4.125"
  • 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 +0.014" to -0.01"
  • Cone Backface ToClear Radius 0.25"
  • Cup Backface ToClear Radius 0.12"
  • Cone Frontface Backing Diameter 5.43"
  • Cone Backface Backing Diameter 5.04"
  • 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 786
  • 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 10.5 lb

Features

Performance Features of 786-773 Bearing

786-773 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 77,800 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, enhancing durability and reducing friction.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Does 786-773 Bearing Reduce Friction?

786-773 Bearing’s tapered roller design minimises friction, ensuring smooth operation under combined loads.
The chrome steel construction enhances wear resistance, prolonging the bearing’s service life.
Its standard radial clearance allows for optimal performance in different applications.
The steel cage maintains roller alignment, further reducing friction and noise.

Built for Reliability: 786-773 Bearing

786-773 Bearing’s single-row construction provides stability and reliability in demanding environments.
Its dynamic thrust rating of 13,300 lbf ensures consistent performance under heavy loads.
The chrome steel materials resist wear, making it a durable choice for industrial use.
With an ABEC-1 rating, it balances precision and cost-effectiveness.

Steel vs Ceramic Bearings: Strengths of 786-773 Bearing

786-773 Bearing’s chrome steel rollers offer excellent strength and durability for industrial applications.
The steel cage provides robust support, ensuring long-term reliability under heavy loads.
Its standard radial clearance allows for easy installation and maintenance.
With a static radial load capacity of 111,000 lbf, it handles demanding conditions with ease.

Application

Industrial Uses of 786-773 Bearing
The 786-773 Bearing is commonly used in heavy machinery like construction equipment and mining rigs, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability in tough working conditions.

Where Is 786-773 Bearing Used?
You’ll often find the 786-773 Bearing in automotive applications, particularly in wheel hubs and differential systems. Its precise inch sizing makes it a reliable choice for American and British vehicle models.

Built for Heavy-Duty Use: 786-773 Bearing
In industrial gearboxes, the 786-773 Bearing provides stable performance under high radial and thrust loads. The open design allows for easy lubrication, extending its service life in demanding environments.

Automotive vs Aerospace: Applications of 786-773 Bearing
While the 786-773 Bearing excels in automotive systems like truck axles, it’s also suitable for aerospace ground support equipment. Its ABEC-1 rating ensures consistent performance without over-engineering for less critical applications.

Perfect Fit for Automation: 786-773 Bearing
The 786-773 Bearing works well in automated conveyor systems, where its tapered rollers manage varying load directions smoothly. The steel cage adds robustness, making it a practical choice for continuous operation.

Q&A

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