TS (Single Row Tapered Roller Bearings) (Imperial) 3198-3129

The 3198-3129 is a single-row tapered roller bearing with a 1.125″ bore and 3″ outer diameter, crafted from durable 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 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 heavy-duty machinery or automotive systems where combined loads are common.

Weighing 1.6 lb, it balances strength and manageability. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Description

Features

Application

Q&A

Product Parameters

Part Number 3198-3129
Brand TFL
Interchangeable Timken
Size 1.125" x 3" x 1.1875"
Bore Dia 1.125"
Bore Dia Tolerance +0.005" to 0
Outer Dia 3"
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 1.1875"
Width Tolerance +0.008" to 0
Cone Backface ToClear Radius 0.050"
Cup Backface ToClear Radius 0.03"
Cone Frontface Backing Diameter 1.46"
Cone Backface Backing Diameter 1.54"
Cup Frontface Backing Diameter 2.74"
Cup Backface Backing Diameter 2.56"
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 3198
Cup Part Number 3129
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 1.6 lb

Features

Performance Features of 3198-3129 Bearing

3198-3129 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 21,300 lbf, making it suitable for heavy-duty applications.

The steel cage maintains proper roller alignment, reducing friction and wear.
With a standard radial clearance, it ensures smooth operation in various conditions.

3198-3129 Bearing operates effectively in temperatures from -30° to 110°C.
Its tapered roller design provides reliable performance under both radial and thrust loads.

The open seal type allows for easy lubrication, extending service life.
Weighing just 1.6 lb, it balances durability with manageable installation.

Application

Industrial Uses of 3198-3129 Bearing
3198-3129 Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined radial and thrust loads effectively. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, 3198-3129 Bearing supports wheel hubs and differential systems, providing reliable performance under varying loads. Its inch sizing makes it a practical choice for American and British vehicle models.

For industrial conveyor systems, 3198-3129 Bearing’s open design allows for easy lubrication, extending service life in high-use scenarios. The steel cage adds extra strength, making it suitable for continuous operation.

Where Is 3198-3129 Bearing Used?
You’ll often find 3198-3129 Bearing in agricultural machinery, where its robust design handles rough conditions. The standard radial clearance ensures smooth operation even with heavy loads.

In mining equipment, 3198-3129 Bearing’s ability to manage combined loads makes it ideal for crushers and screens. The ABEC-1 rating provides a good balance of precision and affordability for these applications.

Built for Heavy-Duty Use: 3198-3129 Bearing
3198-3129 Bearing excels in forestry machinery, where its tapered rollers distribute loads evenly. The chrome steel rollers resist wear, even in dusty or wet conditions.

For railway applications, 3198-3129 Bearing’s durability and temperature range make it suitable for both freight and passenger cars. The steel cage ensures reliable performance over long distances.

Automotive vs Aerospace: Applications of 3198-3129 Bearing
In automotive drivetrains, 3198-3129 Bearing handles high torque and varying speeds with ease. Its inch sizing simplifies maintenance for mechanics working on older or custom vehicles.

For aerospace ground support equipment, 3198-3129 Bearing’s combined load capacity is useful in tow tractors and loaders. The standard radial clearance allows for smooth operation under dynamic conditions.