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TS (Single Row Tapered Roller Bearings) (Imperial) 3776-3730

TS (Single Row Tapered Roller Bearings) (Imperial) 3776-3730

The 3776-3730 is a single-row tapered roller bearing with a 1.771″ bore and 3.6718″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 27500 lbf radially and 4120 lbf thrust, making it versatile for various 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 replacement option. Ideal for industrial machinery or automotive systems where combined loads are common.

Weighing 2.1 lb, it’s robust 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 3776-3730
  • Brand TFL
  • Interchangeable Timken
  • Size 1.771" x 3.6718" x 1.1876"
  • Bore Dia 1.771"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.6718"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.193"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.9375"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.1876"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.03"
  • Cone Frontface Backing Diameter 2.09"
  • Cone Backface Backing Diameter 2.32"
  • Cup Frontface Backing Diameter 3.50"
  • Cup Backface Backing Diameter 3.31"
  • Cage Cone Frontface Clearance 0.06"
  • Cage Cone Backface Clearance 0.06"
  • Effective Center Location -0.32"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 3776
  • Cup Part Number 3730
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 3700
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 27500 lbf
  • Static Radial Load 34300 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 7120 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 4120 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 2.1 lb

Features

Why Choose 3776-3730 Bearing for Precision Tasks?

3776-3730 Bearing is crafted with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 27,500 lbf, ensuring reliable performance in demanding conditions.
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 environments.

How Is 3776-3730 Bearing Engineered for Reliability?

3776-3730 Bearing features a single-row tapered roller design, optimised for combined load applications.
The chrome steel construction enhances durability, while the standard radial clearance ensures smooth operation.
Its effective centre location of -0.32″ improves load distribution and stability.
This bearing meets ABEC-1 standards, providing consistent precision in industrial settings.

Built for Durability: 3776-3730 Bearing

3776-3730 Bearing’s tapered roller design efficiently handles both radial and thrust loads.
The steel cage and chrome steel components resist wear, even under heavy use.
With a static radial load capacity of 34,300 lbf, it’s suitable for robust applications.
Its open design simplifies lubrication, ensuring long-term performance with minimal maintenance.

Steel vs Ceramic Bearings: Strengths of 3776-3730 Bearing

3776-3730 Bearing uses high-quality chrome steel for both rollers and rings, balancing strength and cost-effectiveness.
The tapered roller design distributes loads evenly, reducing stress on individual components.
Its dynamic thrust rating of 4,120 lbf ensures reliable performance in thrust applications.
The bearing’s standard radial clearance options (C3/C4/C5) allow for flexibility in various setups.

Application

Industrial Uses of 3776-3730 Bearing
The 3776-3730 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability even in demanding environments.

In automotive applications, 3776-3730 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. The imperial sizing makes it a convenient choice for North American vehicle models.

For industrial fans and pumps, 3776-3730 Bearing’s open design allows easy lubrication, extending service life in continuous operation. The steel cage adds stability, reducing wear during high-speed rotations.

Where Is 3776-3730 Bearing Used?
You’ll often find 3776-3730 Bearing in conveyor systems, where its ability to manage radial and thrust loads keeps operations smooth. The standard radial clearance offers flexibility for different installation needs.

In mining equipment, 3776-3730 Bearing’s robust design withstands harsh conditions, from dust to heavy vibrations. Its ABEC-1 rating ensures consistent performance without over-engineering for most industrial applications.

Built for Heavy-Duty Use: 3776-3730 Bearing
The 3776-3730 Bearing excels in gearboxes, where its tapered rollers distribute loads evenly, reducing stress on components. Its temperature range (-30° to 110°C) suits both indoor and outdoor machinery.

For forestry machinery, 3776-3730 Bearing’s steel cage and chrome steel rollers resist wear from debris and moisture. The interchangeable Timken design simplifies replacements in older equipment.

Automotive vs Aerospace: Applications of 3776-3730 Bearing
In automotive drivetrains, 3776-3730 Bearing handles high torque and variable speeds reliably. Its dynamic radial load capacity (27,500 lbf) makes it ideal for trucks and off-road vehicles.

For aerospace ground support equipment, 3776-3730 Bearing’s precision tolerances ensure smooth operation in landing gear test rigs. However, it’s not rated for in-flight use due to its ABEC-1 classification.

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