TS (Single Row Tapered Roller Bearings) (Imperial) LL481448-LL481411

The LL481448-LL481411 is a single-row tapered roller bearing with a 26.5″ bore and 31.25″ outer diameter, crafted from robust chrome steel. It manages combined loads up to 249,000 lbf radially and 39,800 lbf thrust, suitable for heavy-duty applications.

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

This model is interchangeable with Timken bearings, making it a practical choice for replacements. Ideal for industrial machinery or large equipment where combined loads are common.

Weighing 114.2 lb, it’s built for strength and longevity. Compliant with RoHS and REACH standards for safe and reliable use.

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Description

Features

Application

Q&A

Product Parameters

Part Number LL481448-LL481411
Brand TFL
Interchangeable Timken
Size 26.5" x 31.25" x 2.625"
Bore Dia 26.5"
Bore Dia Tolerance +0.003" to 0
Outer Dia 31.25"
Outer Dia Tolerance +0.003" to 0
Cone Width 2.4375"
Cone Width Tolerance +0.003" to -0.01
Cup Width 1.9375"
Cup Width Tolerance +0.002" to -0.01
Width 2.625"
Width Tolerance +0.015" to -0.015"
Cone Backface ToClear Radius 0.25"
Cup Backface ToClear Radius 0.250"
Cone Frontface Backing Diameter 32.24"
Cone Backface Backing Diameter 27.64"
Cup Frontface Backing Diameter 30.46"
Cup Backface Backing Diameter 30.12"
Cage Cone Frontface Clearance 0.18"
Cage Cone Backface Clearance 0.07"
Effective Center Location 2.12"
System of Measurement Inch
Type Bearing
Cone Part Number LL481448
Cup Part Number LL481411
Bearing Type Roller
Roller Bearing Type Tapered
For Load Direction Combined
Construction Single Row
Seal Type Open
Cups Type Standard
Series LL481400
Ring Material Chrome Steel
Roller Material Chrome Steel
Cage Material Steel
Dynamic Radial Load 249000 lbf
Static Radial Load 707000 lbf
Dynamic Radial Rating(90 Million Revolutions)(C90) 64600 lbf
Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 39800 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 114.200 lb

Features

How Does LL481448-LL481411 Bearing Handle Combined Loads?

LL481448-LL481411 Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 249,000 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

Why Choose LL481448-LL481411 Bearing for Heavy-Duty Applications?

LL481448-LL481411 Bearing features a single-row tapered roller design, ideal for handling combined loads efficiently.
The chrome steel construction provides durability and resistance to wear under high stress.
Its static radial load capacity of 707,000 lbf ensures stability in demanding environments.
The standard radial clearance allows for flexibility in different operational settings.

Engineered for Reliability: LL481448-LL481411 Bearing

LL481448-LL481411 Bearing is precision-crafted with chrome steel components for long-lasting performance.
The tapered roller design minimises friction, ensuring smooth operation even under heavy loads.
With a dynamic thrust rating of 39,800 lbf, it excels in applications requiring both radial and axial support.
Its ABEC-1 rating guarantees consistent quality and precision.

Structural Advantages of LL481448-LL481411 Bearing

LL481448-LL481411 Bearing’s robust construction includes a steel cage for enhanced roller stability.
The precise tolerances on bore and outer diameters ensure a perfect fit in various machinery.
Its effective center location of 2.12″ optimises load distribution for better performance.
The open seal design allows for easy lubrication, maintaining smooth operation over time.

Performance Features of LL481448-LL481411 Bearing

LL481448-LL481411 Bearing combines high dynamic and static load capacities for versatile use.
The chrome steel rollers and rings provide excellent resistance to wear and fatigue.
Operating within a wide temperature range, it remains reliable in diverse environments.
Its standard radial clearance options cater to different application requirements.

Application

Industrial Uses of LL481448-LL481411 Bearing
LL481448-LL481411 Bearing is commonly used in heavy machinery like mining equipment and construction vehicles, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in tough working conditions.

Where Is LL481448-LL481411 Bearing Used?
You’ll often find LL481448-LL481411 Bearing in large industrial gearboxes, where its high dynamic radial load capacity keeps operations smooth. Its imperial sizing makes it a go-to choice for North American machinery.

Built for Heavy-Duty Use: LL481448-LL481411 Bearing
LL481448-LL481411 Bearing excels in applications like steel mills, where its robust design withstands extreme loads and temperatures. The open seal type allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of LL481448-LL481411 Bearing
In automotive settings, LL481448-LL481411 Bearing supports large axles and drivetrains, while in aerospace, it’s used in landing gear systems. Its ABEC-1 rating ensures reliable performance in both fields.

Perfect Fit for Automation: LL481448-LL481411 Bearing
LL481448-LL481411 Bearing is ideal for automated production lines, where its precise taper reduces friction and wear. The steel cage adds stability, making it a dependable choice for continuous operation.