TS (Single Row Tapered Roller Bearings) (Imperial) 3189-3126

The 3189-3126 is a single-row tapered roller bearing with a 1″ bore and 2.836″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 21300 lbf radially and 3140 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 machinery like gearboxes or axles where combined loads are common.

Weighing 1.4 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Description

Features

Application

Q&A

Product Parameters

Part Number 3189-3126
Brand TFL
Interchangeable Timken
Size 1" x 2.836" x 1.1876"
Bore Dia 1"
Bore Dia Tolerance +0.005" to 0
Outer Dia 2.836"
Outer Dia Tolerance +0.001" to 0
Cone Width 1.181"
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 0.03"
Cup Backface ToClear Radius 0.110"
Cone Frontface Backing Diameter 1.38"
Cone Backface Backing Diameter 1.4"
Cup Frontface Backing Diameter 2.68"
Cup Backface Backing Diameter 2.40"
Cage Cone Frontface Clearance 0.06"
Cage Cone Backface Clearance 0.03"
Effective Center Location -0.4"
System of Measurement Inch
Type Bearing
Cone Part Number 3189
Cup Part Number 3126
Bearing Type Roller
Roller Bearing Type Tapered
For Load Direction Combined
Construction Single Row
Seal Type Open
Cups Type Standard
Series 3100
Ring Material Chrome Steel
Roller Material Chrome Steel
Cage Material Steel
Dynamic Radial Load 21300 lbf
Static Radial Load 22800 lbf
Dynamic Radial Rating(90 Million Revolutions)(C90) 5520 lbf
Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 3140 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 1.400 lb

Features

Performance Features of 3189-3126 Bearing

3189-3126 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 21,300 lbf, ensuring reliable performance in various applications.

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 diverse environments.

3189-3126 Bearing’s standard radial clearance allows for smooth operation under different conditions.
Its tapered roller design efficiently handles both radial and thrust loads.

The open seal type simplifies maintenance while ensuring adequate lubrication.
Weighing just 1.400 lb, it balances durability with manageable size.

Application

Industrial Uses of 3189-3126 Bearing
The 3189-3126 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 in rugged environments.

Where Is 3189-3126 Bearing Used?
You’ll often find 3189-3126 Bearing in automotive applications, particularly in wheel hubs and differential systems. Its inch sizing makes it a reliable choice for American-made vehicles and industrial machinery.

Built for Heavy-Duty Use: 3189-3126 Bearing
This bearing excels in conveyor systems and mining equipment, thanks to its robust steel cage and high dynamic load capacity. The open design allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 3189-3126 Bearing
In automotive settings, 3189-3126 Bearing supports wheel assemblies, while in aerospace, it’s used in auxiliary systems requiring precise load handling. Its ABEC-1 rating ensures consistent performance across both fields.

Perfect Fit for Automation: 3189-3126 Bearing
The 3189-3126 Bearing is ideal for robotic arms and automated assembly lines, where its tapered rollers provide smooth motion under varying loads. The standard radial clearance offers flexibility in different setups.