TS (Single Row Tapered Roller Bearings) (Imperial) 3777-3726

The 3777-3726 is a single-row tapered roller bearing with a 1.8125″ bore and 3.75″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 27500 lbf radially and 4120 lbf thrust, suitable for demanding applications.

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

This model is interchangeable with Timken bearings, making it a practical choice for replacements. Ideal for heavy-duty machinery or automotive systems where combined loads are common.

Weighing 2.2 lb, it offers a balance of strength and manageability. Compliant with RoHS and REACH standards for safe use.

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Description

Features

Application

Q&A

Product Parameters

Part Number 3777-3726
Brand TFL
Interchangeable Timken
Size 1.8125" x 3.75" x 1.1876"
Bore Dia 1.8125"
Bore Dia Tolerance +0.005" to 0
Outer Dia 3.75"
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 0.130"
Cone Frontface Backing Diameter 2.09"
Cone Backface Backing Diameter 2.36"
Cup Frontface Backing Diameter 3.54"
Cup Backface Backing Diameter 3.27"
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 3777
Cup Part Number 3726
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 2.2 lb

Features

Performance Features of 3777-3726 Bearing

3777-3726 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 27,500 lbf, making it suitable for demanding industrial 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 operating conditions.

Application

Industrial Uses of 3777-3726 Bearing
The 3777-3726 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, making it a reliable choice for long-term use.

Where Is 3777-3726 Bearing Used?
You’ll often find 3777-3726 Bearing in automotive applications such as wheel hubs and differential systems, thanks to its ability to manage both radial and thrust loads.
The imperial sizing makes it a perfect fit for North American vehicles, ensuring easy compatibility.

Built for Heavy-Duty Use: 3777-3726 Bearing
In industrial settings, 3777-3726 Bearing excels in conveyor systems and gearboxes, where its robust design supports high loads.
The open seal type allows for straightforward lubrication, extending its service life in continuous operations.

Automotive vs Aerospace: Applications of 3777-3726 Bearing
While 3777-3726 Bearing is popular in automotive wheel assemblies, it’s also suitable for aerospace ground support equipment due to its precision and load capacity.
The steel cage adds extra strength, making it versatile across different industries.

Perfect Fit for Automation: 3777-3726 Bearing
In automated manufacturing lines, 3777-3726 Bearing ensures smooth operation in robotic arms and assembly systems.
Its standard radial clearance offers consistent performance, reducing downtime in high-speed applications.