TS (Single Row Tapered Roller Bearings) (Imperial) LM104947A-LM104911A

The LM104947A-LM104911A is a single-row tapered roller bearing with a 1.968″ bore and 3.25″ outer diameter, crafted from durable chrome steel. It handles combined loads, with a dynamic radial load capacity of 21700 lbf and a static radial load of 23400 lbf.

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, making it a practical choice for replacements. Ideal for heavy-duty applications like truck axles or industrial gearboxes where combined loads are common.

Weighing just 1 lb, it’s sturdy yet manageable for its size. Compliant with RoHS and REACH standards for safe use.

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Description

Features

Application

Q&A

Product Parameters

Part Number LM104947A-LM104911A
Brand TFL
Interchangeable Timken
Size 1.968" x 3.25" x 0.9302"
Bore Dia 1.968"
Bore Dia Tolerance +0.005" to 0
Outer Dia 3.25"
Outer Dia Tolerance +0.001" to 0
Cone Width 0.875"
Cone Width Tolerance +0.003" to -0.01
Cup Width 0.73"
Cup Width Tolerance +0.002" to -0.01
Width 0.9302"
Width Tolerance +0.008" to 0
Cone Backface ToClear Radius 0.02"
Cup Backface ToClear Radius 0.03"
Cone Frontface Backing Diameter 2.17"
Cone Backface Backing Diameter 2.17"
Cup Frontface Backing Diameter 3.11"
Cup Backface Backing Diameter 2.95"
Cage Cone Frontface Clearance 0.1"
Cage Cone Backface Clearance 0.03"
Effective Center Location -0.23"
System of Measurement Inch
Type Bearing
Cone Part Number LM104947A
Cup Part Number LM104911A
Bearing Type Roller
Roller Bearing Type Tapered
For Load Direction Combined
Construction Single Row
Seal Type Open
Cups Type Standard
Series LM104900
Ring Material Chrome Steel
Roller Material Chrome Steel
Cage Material Steel
Dynamic Radial Load 21700 lbf
Static Radial Load 23400 lbf
Dynamic Radial Rating(90 Million Revolutions)(C90) 5610 lbf
Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 2930 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 lb

Features

Why Choose LM104947A-LM104911A Bearing for Precision Tasks?

LM104947A-LM104911A Bearing is crafted with chrome steel rings and rollers, ensuring durability and precision in combined load applications.
Its dynamic radial load capacity of 21700 lbf makes it suitable for demanding industrial environments.

The single-row tapered roller design enhances stability and reduces friction during operation.
With an effective center location of -0.23″, it provides reliable performance in various mounting configurations.

LM104947A-LM104911A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its standard radial clearance options (C3/C4/C5) allow for flexibility in different applications.

The steel cage maintains roller alignment, contributing to extended service life.
Weighing just 1 lb, it offers a balance of strength and ease of handling.

Application

Industrial Uses of LM104947A-LM104911A Bearing
LM104947A-LM104911A Bearing is commonly used in heavy machinery, such as construction equipment and agricultural vehicles, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability in tough working conditions.
In automotive applications, LM104947A-LM104911A Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a straightforward replacement for Timken bearings in many American-made vehicles.
For industrial gearboxes, LM104947A-LM104911A Bearing’s open design allows for easy lubrication, extending service life in high-speed operations. The standard radial clearance offers flexibility for different operational requirements.

What Makes LM104947A-LM104911A Bearing a Preferred Choice?
LM104947A-LM104911A Bearing stands out in applications requiring precise alignment, such as conveyor systems and power transmission units. Its single-row construction simplifies installation while maintaining performance.
The steel cage in LM104947A-LM104911A Bearing provides stability, making it suitable for machinery with frequent start-stop cycles. The ABEC-1 rating ensures consistent performance without overcomplicating the design.

Built for Heavy-Duty Use: LM104947A-LM104911A Bearing
LM104947A-LM104911A Bearing excels in mining equipment, where its dynamic radial load capacity handles intense vibrations and shocks. The tapered rollers distribute stress evenly, reducing wear.
In forestry machinery, LM104947A-LM104911A Bearing’s temperature range (-30° to 110°C) ensures reliability in extreme environments. The inch measurements make it compatible with older equipment still in use.

Automotive vs Aerospace: Applications of LM104947A-LM104911A Bearing
In automotive settings, LM104947A-LM104911A Bearing is often found in truck axles, where its static radial load capacity supports heavy payloads. The open seal type simplifies maintenance.
For aerospace ground equipment, LM104947A-LM104911A Bearing’s precision helps in loading systems and maintenance platforms. Its weight (1 lb) balances strength and portability for such applications.