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TS (Single Row Tapered Roller Bearings) (Imperial) 77376-77676W

TS (Single Row Tapered Roller Bearings) (Imperial) 77376-77676W

The 77376-77676W is a single-row tapered roller bearing with a 3.75″ bore and 6.75″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 76400 lbf radially and 12400 lbf thrust, making it suitable for heavy-duty applications.

Its open design allows for 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 use in industrial machinery, gearboxes, or automotive systems where robust load handling is needed.

Weighing 11.6 lb, it’s built to last with standard radial clearance and ABEC-1 precision. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 77376-77676W
  • Brand TFL
  • Interchangeable Timken
  • Size 3.75" x 6.75" x 2.1875"
  • Bore Dia 3.75"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 6.75"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.9"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 2.25"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 2.1875"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.25"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 4.88"
  • Cone Backface Backing Diameter 4.65"
  • Cup Frontface Backing Diameter 1.10"
  • Cup Backface Backing Diameter 5.94"
  • Cage Cone Frontface Clearance 0.07"
  • Cage Cone Backface Clearance 0.11"
  • Effective Center Location -0.38"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 77376
  • Cup Part Number 77676W
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 77000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 76400 lbf
  • Static Radial Load 107000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 19800 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 12400 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 11.6 lb

Features

How Is 77376-77676W Bearing Engineered for Reliability?

77376-77676W Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 76,400 lbf, ensuring dependable performance in tough conditions.
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 environments.

What Makes 77376-77676W Bearing Suitable for High-Temperature Applications?

77376-77676W Bearing can handle temperatures from -30° to 110°C, making it versatile for different settings.
The chrome steel construction ensures durability and resistance to wear under high stress.
Its standard radial clearance allows for smooth operation even in fluctuating temperatures.
This bearing is ideal for applications requiring consistent performance in varying thermal conditions.

Why Choose 77376-77676W Bearing for Precision Tasks?

77376-77676W Bearing features precise dimensions with tight tolerances, ensuring accurate performance.
The tapered roller design provides excellent load distribution, reducing stress on individual components.
Its ABEC-1 rating guarantees a good balance between precision and cost-effectiveness.
This bearing is a reliable choice for applications demanding both accuracy and durability.

Application

Industrial Uses of 77376-77676W Bearing
The 77376-77676W Bearing is commonly used in heavy machinery like construction equipment and mining rigs, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability even in demanding environments.

In automotive applications, 77376-77676W Bearing fits well in truck wheel hubs and differential systems, providing reliable performance under high radial and thrust loads. The imperial sizing makes it a straightforward replacement for many North American vehicle models.

For industrial gearboxes, 77376-77676W Bearing’s single-row design offers precise alignment, reducing wear and tear over time. The steel cage adds extra strength, making it suitable for continuous operation.

Where Is 77376-77676W Bearing Used?
You’ll often find 77376-77676W Bearing in agricultural machinery, such as tractors and harvesters, where its robust design handles uneven loads. The open seal type allows for easy lubrication, extending its service life.

In conveyor systems, 77376-77676W Bearing supports heavy loads while maintaining smooth rotation. Its standard radial clearance makes it adaptable to various operational conditions.

Built for Heavy-Duty Use: 77376-77676W Bearing
The 77376-77676W Bearing excels in applications like crane booms and lifting equipment, where its high static radial load capacity is crucial. The tapered rollers distribute stress evenly, reducing the risk of failure.

For railway applications, 77376-77676W Bearing’s effective center location ensures stable performance under dynamic loads. Its compatibility with Timken models makes it a versatile choice for maintenance and repairs.

Automotive vs Aerospace: Applications of 77376-77676W Bearing
In automotive settings, 77376-77676W Bearing is ideal for drivetrain components, offering a balance of strength and precision. Its ABEC-1 rating ensures consistent performance without over-engineering.

For aerospace ground equipment, 77376-77676W Bearing provides reliable support in tow tractors and loading systems. The temperature range suits both indoor and outdoor use.

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