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TS (Single Row Tapered Roller Bearings) (Imperial) 776-772A

TS (Single Row Tapered Roller Bearings) (Imperial) 776-772A

The 776-772A is a single-row tapered roller bearing with a 3.75″ bore and 6.875″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 77800 lbf radially and 13300 lbf thrust-wise, suitable for demanding applications.

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

This model is interchangeable with Timken bearings, offering a reliable alternative for replacements. Ideal for industrial machinery or automotive systems where combined loads are common.

Weighing 10.7 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for various environments.

The standard radial clearance can be adjusted to C3, C4, or C5 for specific needs. Its ABEC-1 rating ensures consistent performance in most general applications.

The tapered roller design provides effective load distribution, reducing wear over time. Perfect for scenarios requiring long-term reliability and ease of maintenance.

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Product Parameters

  • Part Number 776-772A
  • Brand TFL
  • Interchangeable Timken
  • Size 3.75" x 6.875" x 1.8751"
  • Bore Dia 3.75"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 6.875"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.89"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.5"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.8751"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 4.92"
  • Cone Backface Backing Diameter 4.49"
  • Cup Frontface Backing Diameter 6.61"
  • Cup Backface Backing Diameter 6.22"
  • 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 772A
  • 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 10.7 lb

Features

Performance Features of 776-772A Bearing

776-772A 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 wear.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Does 776-772A Bearing Reduce Friction?

776-772A Bearing’s tapered roller design minimises friction, ensuring smooth operation under combined loads.
The chrome steel construction provides excellent wear resistance, extending its service life.
Precision-engineered to ABEC-1 standards, it delivers consistent performance.
Its standard radial clearance options allow for flexibility in different applications.

Built for Reliability: 776-772A Bearing

776-772A Bearing features a single-row construction, optimised for handling both radial and thrust loads.
The steel cage maintains roller positioning, reducing friction and noise during operation.
With a static radial load capacity of 111,000 lbf, it excels in demanding environments.
Its open design simplifies maintenance while ensuring long-term reliability.

Steel vs Ceramic Bearings: Strengths of 776-772A Bearing

776-772A Bearing uses chrome steel for both rings and rollers, offering excellent strength and durability.
This material choice provides better cost-efficiency compared to ceramic options for many industrial uses.
The bearing’s dynamic thrust rating of 13,300 lbf ensures reliable performance under pressure.
Its standard lubrication requirements make it practical for various operational conditions.

Application

Industrial Uses of 776-772A Bearing
776-772A Bearing is commonly used in heavy machinery, such as 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 776-772A Bearing Used?
You’ll often find 776-772A Bearing in agricultural machinery, supporting components like gearboxes and axles. Its inch sizing makes it a reliable choice for North American industrial applications.

Built for Heavy-Duty Use: 776-772A Bearing
776-772A Bearing excels in applications like conveyor systems, where its high dynamic radial load capacity keeps operations running smoothly. The steel cage adds extra strength for long-term use.

Automotive vs Aerospace: Applications of 776-772A Bearing
In automotive settings, 776-772A Bearing is ideal for wheel hubs and differentials, thanks to its robust design. For aerospace, it’s suited for auxiliary systems requiring precise load handling.

Perfect Fit for Automation: 776-772A Bearing
776-772A Bearing works well in automated assembly lines, where its consistent performance reduces downtime. The open seal design allows for easy lubrication maintenance.

Q&A

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